Intel Core i7-9700K vs Intel Core i7-9800X: What is the difference?
64points
Intel Core i7-9700K
58points
Intel Core i7-9800X
Comparison winner
vs
63 facts in comparison
Intel Core i7-9700K
Intel Core i7-9800X
Why is Intel Core i7-9700K better than Intel Core i7-9800X?
- 5°C higher maximum operating temperature?
100°Cvs95°C - 0.5GHz higher turbo clock speed?
4.9GHzvs4.4GHz - 70W lower TDP?
95Wvs165W - Has integrated graphics?
- Has an unlocked multiplier?
- 9.65% higher PassMark result (single)?
2897vs2642 - 10.46% higher single-core Geekbench 5 result?
1278vs1157 - 24.9 more performance per watt?
77.8vs52.9
Why is Intel Core i7-9800X better than Intel Core i7-9700K?
- 5.
56% faster CPU speed?
8 x 3.8GHzvs8 x 3.6GHz - 8 more CPU threads?
16vs8 - 6MB bigger L2 cache?
8MBvs2MB - 25.69% higher PassMark result?
18293vs14554 - 4.5MB bigger L3 cache?
16.5MBvs12MB - 0.75MB/core more L2 cache per core?
1MB/corevs0.25MB/core - 37.87GB/s more memory bandwidth?
79.47GB/svs41.6GB/s - 2 more memory channels?
4vs2
Which are the most popular comparisons?
Intel Core i7-9700K
vs
AMD Ryzen 5 5600X
Intel Core i7-9800X
vs
Intel Core i7-7920HQ
Intel Core i7-9700K
vs
Intel Core i7-9700F
Intel Core i7-9800X
vs
Intel Core i7-9700
Intel Core i7-9700K
vs
Intel Core i5-9600K
Intel Core i7-9800X
vs
AMD Ryzen 5 3600
Intel Core i7-9700K
vs
AMD Ryzen 7 5800X
Intel Core i7-9800X
vs
Intel Core i9-9900K
Intel Core i7-9700K
vs
Intel Core i7-8700K
Intel Core i7-9800X
vs
Intel Core i5+8400
Intel Core i7-9700K
vs
AMD Ryzen 7 3700X
Intel Core i7-9800X
vs
AMD Ryzen 9 3900X
Intel Core i7-9700K
vs
Intel Core i9-9900K
Intel Core i7-9800X
vs
Intel Celeron G3950
Intel Core i7-9700K
vs
AMD Ryzen 9 3900X
Intel Core i7-9800X
vs
Intel Core i7-7800X
Intel Core i7-9700K
vs
AMD Ryzen 5 5600G
Intel Core i7-9800X
vs
Intel Core i7-7820X
Intel Core i7-9700K
vs
AMD Ryzen 5 3600
Price comparison
User reviews
Performance
CPU speed
8 x 3.
6GHz
8 x 3.8GHz
The CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.
CPU threads
More threads result in faster performance and better multitasking.
turbo clock speed
4.9GHz
4.4GHz
When the CPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.
Has an unlocked multiplier
✔Intel Core i7-9700K
✖Intel Core i7-9800X
Some processors come with an unlocked multiplier which makes them easy to overclock, allowing you to gain increased performance in games and other apps.
L2 cache
A larger L2 cache results in faster CPU and system-wide performance.
L3 cache
16.5MB
A larger L3 cache results in faster CPU and system-wide performance.
L1 cache
A larger L1 cache results in faster CPU and system-wide performance.
L2 core
0.25MB/core
1MB/core
More data can be stored in the L2 cache for access by each core of the CPU.
L3 core
1.5MB/core
2.06MB/core
More data can be stored in the L3 cache for access by each core of the CPU.
Benchmarks
PassMark result
This benchmark measures the performance of the CPU using multiple threads.
PassMark result (single)
This benchmark measures the performance of the CPU using a single thread.
Geekbench 5 result (multi)
Geekbench 5 is a cross-platform benchmark that measures a processor’s multi-core performance.
(Source: Primate Labs, 2022)
Cinebench R20 (multi) result
Unknown. Help us by suggesting a value. (Intel Core i7-9800X)
Cinebench R20 is a benchmark tool that measures a CPU’s multi-core performance by rendering a 3D scene.
Cinebench R20 (single) result
Unknown. Help us by suggesting a value. (Intel Core i7-9800X)
Cinebench R20 is a benchmark tool that measures a CPU’s single-core performance by rendering a 3D scene.
Geekbench 5 result (single)
Geekbench 5 is a cross-platform benchmark that measures a processor’s single-core performance. (Source: Primate Labs, 2022)
Blender (bmw27) result
224.8seconds
192seconds
The Blender (bmw27) benchmark measures the performance of a processor by rendering a 3D scene. More powerful processors can render the scene in less time.
Blender (classroom) result
709.
8seconds
594.5seconds
The Blender (classroom) benchmark measures the performance of a processor by rendering a 3D scene. More powerful processors can render the scene in less time.
performance per watt
This means the CPU is more efficient, giving a greater amount of performance for each watt of power used.
Integrated graphics
GPU clock speed
350MHz
∅
Not applicable
The graphics processing unit (GPU) has a higher clock speed.
GPU turbo
1200MHz
∅
Not applicable
When the GPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.
GPU execution units
Unknown. Help us by suggesting a value. (Intel Core i7-9700K)
∅
Not applicable
A graphics processing unit (GPU) with a greater number of execution units can deliver better graphics.
supported displays
∅
Not applicable
Using multiple displays you can create a larger workspace, making it easier to work across multiple apps.
DirectX version
∅
Not applicable
DirectX is used in games, with newer versions supporting better graphics.
OpenGL version
∅
Not applicable
OpenGL is used in games, with newer versions supporting better graphics.
OpenCL version
Unknown. Help us by suggesting a value. (Intel Core i7-9700K)
Unknown. Help us by suggesting a value. (Intel Core i7-9800X)
Some apps use OpenCL to apply the power of the graphics processing unit (GPU) for non-graphical computing. Newer versions introduce more functionality and better performance.
texture mapping units (TMUs)
Unknown.
Help us by suggesting a value. (Intel Core i7-9700K)
∅
Not applicable
TMUs take textures and map them to the geometry of a 3D scene. More TMUs will typically mean that texture information is processed faster.
render output units (ROPs)
Unknown. Help us by suggesting a value. (Intel Core i7-9700K)
∅
Not applicable
The ROPs are responsible for some of the final steps of the rendering process, writing the final pixel data to memory and carrying out other tasks such as anti-aliasing to improve the look of graphics.
Memory
RAM speed
2666MHz
2666MHz
It can support faster memory, which will give quicker system performance.
maximum memory bandwidth
41.6GB/s
79.47GB/s
This is the maximum rate that data can be read from or stored into memory.
DDR memory version
DDR (Double Data Rate) memory is the most common type of RAM. Newer versions of DDR memory support higher maximum speeds and are more energy-efficient.
memory channels
More memory channels increases the speed of data transfer between the memory and the CPU.
maximum memory amount
The maximum amount of memory (RAM) supported.
bus transfer rate
The bus is responsible for transferring data between different components of a computer or device.
Supports ECC memory
✖Intel Core i7-9700K
✖Intel Core i7-9800X
Error-correcting code memory can detect and correct data corruption. It is used when is it essential to avoid corruption, such as scientific computing or when running a server.
eMMC version
Unknown. Help us by suggesting a value.
(Intel Core i7-9700K)
Unknown. Help us by suggesting a value. (Intel Core i7-9800X)
A higher version of eMMC allows faster memory interfaces, having a positive effect on the performance of a device. For example, when transferring files from your computer to the internal storage over USB.
bus speed
Unknown. Help us by suggesting a value. (Intel Core i7-9700K)
Unknown. Help us by suggesting a value. (Intel Core i7-9800X)
The bus is responsible for transferring data between different components of a computer or device.
Features
uses multithreading
✖Intel Core i7-9700K
✔Intel Core i7-9800X
Multithreading technology (such as Intel’s Hyperthreading or AMD’s Simultaneous Multithreading) provides increased performance by splitting each of the processor’s physical cores into virtual cores, also known as threads. This way, each core can run two instruction streams at once.
Has AES
✔Intel Core i7-9700K
✔Intel Core i7-9800X
AES is used to speed up encryption and decryption.
Has AVX
✔Intel Core i7-9700K
✔Intel Core i7-9800X
AVX is used to help speed up calculations in multimedia, scientific and financial apps, as well as improving Linux RAID software performance.
SSE version
SSE is used to speed up multimedia tasks such as editing an image or adjusting audio volume. Each new version contains new instructions and improvements.
Has F16C
✔Intel Core i7-9700K
✔Intel Core i7-9800X
F16C is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.
bits executed at a time
Unknown. Help us by suggesting a value. (Intel Core i7-9700K)
Unknown. Help us by suggesting a value. (Intel Core i7-9800X)
NEON provides acceleration for media processing, such as listening to MP3s.
Has MMX
✔Intel Core i7-9700K
✔Intel Core i7-9800X
MMX is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.
Has TrustZone
✖Intel Core i7-9700K
✖Intel Core i7-9800X
A technology integrated into the processor to secure the device for use with features such as mobile payments and streaming video using digital rights management (DRM).
front-end width
Unknown. Help us by suggesting a value. (Intel Core i7-9700K)
Unknown. Help us by suggesting a value. (Intel Core i7-9800X)
The CPU can decode more instructions per clock (IPC), meaning that the CPU performs better
Price comparison
Which are the best CPUs?
Intel Core i7 9800X vs i7 9700K: performance comparison
VS
Intel Core i7 9800X
Intel Core i7 9700K
We compared two 8-core desktop CPUs: the 3.
8 GHz Intel Core i7 9800X against the 3.6 GHz i7 9700K. On this page, you’ll find out which processor has better performance in benchmarks, games and other useful information.
- Review
- Differences
- Performance
- Specs
- Comments
Review
General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Core i7 9800X
57
Core i7 9700K
59
Performance
Measure performance when all cores are involved
Core i7 9800X
49
Core i7 9700K
37
Power Efficiency
The efficiency score of electricity consumption
Core i7 9800X
42
Core i7 9700K
44
NanoReview Final Score
Generic CPU rating
Core i7 9800X
52
Core i7 9700K
47
Key Differences
What are the key differences between 9700K and 9800X
Advantages of Intel Core i7 9800X
- Supports quad-channel memory
- Around 37.
87 GB/s (91%) higher theoretical memory bandwidth - Has 5 MB larger L3 cache size
Advantages of Intel Core i7 9700K
- Consumes up to 42% less energy than the Core i7 9800X – 95 vs 165 Watt
- Includes an integrated GPU Intel UHD Graphics 630
- 11% higher Turbo Boost frequency (4.9 GHz vs 4.4 GHz)
Benchmarks
Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Core i7 9800X
1266
Core i7 9700K
+1%
1273
Cinebench R23 (Multi-Core)
Core i7 9800X
+38%
13015
Core i7 9700K
9413
Passmark CPU (Single-Core)
Core i7 9800X
2578
Core i7 9700K
+12%
2888
Passmark CPU (Multi-Core)
Core i7 9800X
+25%
18108
Core i7 9700K
14433
Geekbench 5 (Single-Core)
Core i7 9800X
1230
Core i7 9700K
+4%
1279
Geekbench 5 (Multi-Core)
Core i7 9800X
+30%
9660
Core i7 9700K
7406
▶️ Submit your Cinebench R23 result
By purchasing through links on this site, we may receive a commission from Amazon.
This does not affect our assessment methodology.
Specifications
Full technical specification of Intel Core i7 9800X and i7 9700K
General
| Vendor | Intel | Intel |
| Released | October 8, 2018 | October 8, 2018 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Skylake | Coffee Lake |
| Model number | i7-9800X | i7-9700K |
| Socket | LGA-2066 | LGA-1151 |
| Integrated GPU | No | UHD Graphics 630 |
Performance
| Cores | 8 | 8 |
| Threads | 16 | 8 |
| Base Frequency | 3. 8 GHz |
3.6 GHz |
| Turbo Boost Frequency | 4.4 GHz | 4.9 GHz |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 38x | 36x |
| Bus Bandwidth | 8 GT/s | 8 GT/s |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 1MB (per core) | 256K (per core) |
| L3 Cache | 17MB (shared) | 12MB (shared) |
| Unlocked Multiplier | Yes | Yes |
| Fabrication process | 14 nm | 14 nm |
| TDP | 165 W | 95 W |
| Max. temperature | 95°C | 100°C |
| Integrated Graphics | — | Intel UHD Graphics 630 |
| GPU Base Clock | — | 350 MHz |
| GPU Boost Clock | — | 1200 MHz |
| Shading Units | — | 192 |
| TMUs | — | 24 |
| ROPs | — | 3 |
| Execution Units | — | 24 |
| TGP | — | 15 W |
Max. Resolution |
— | 4096×2304 — 60 Hz |
iGPU FLOPS
Core i7 9800X
n/a
Core i7 9700K
0.38 TFLOPS
Memory support
| Memory types | DDR4-2666 | DDR4-2666 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 4 | 2 |
| Max. Memory Bandwidth | 79.47 GB/s | 41.6 GB/s |
| ECC Support | No | No |
| Official site | Intel Core i7 9800X official page | Intel Core i7 9700K official page |
| PCI Express Version | 3.0 | 3.0 |
| PCI Express Lanes | 44 | 16 |
| Extended instructions | SSE4. 1, SSE4.2, AVX-2, AVX-512 |
SSE4.1, SSE4.2, AVX-2 |
Cast your vote
Choose between two processors
Core i7 9800X
15 (57.7%)
Core i7 9700K
11 (42.3%)
Total votes: 26
ompetitors
1.
AMD Ryzen 5 5600X vs Intel Core i7 9700K
2.
AMD Ryzen 7 5800X vs Intel Core i7 9700K
3.
AMD Ryzen 9 5900X vs Intel Core i7 9700K
4.
Intel Core i7 12700K vs Intel Core i7 9700K
5.
Intel Core i5 12600K vs Intel Core i7 9700K
6.
Intel Core i5 12400F vs Intel Core i7 9700K
7.
Apple M2 vs Intel Core i7 9700K
8.
AMD Ryzen 7 5800X3D vs Intel Core i7 9700K
So which CPU will you choose: Intel Core i7 9700K or i7 9800X?
Name
Message
Promotion
Intel Core i7-9700K vs Intel Core i7-9800X: What is the difference?
64 BALLLA
Intel Core i7-9700k
58 Ballla
Intel Core i7-9800x
Winner when comparing
VS
63 Facts compared to
9000
INTE Why is Intel Core i7-9700K better than Intel Core i7-9800X?
- 5°C higher than maximum operating temperature?
100°C vs 95°C - 0.
5GHz higher turbo clock speed?
4.9GHz vs 4.4GHz - 70W below TDP?
95W vs 165W - Does it have integrated graphics?
- Has an unlocked multiplier?
- 9.65% higher PassMark score (single)?
2897 vs 2642 - 10.46% higher single core Geekbench 5 result?
1278 vs 1157 - 24.9higher performance per watt?
77.8 vs 52.9
Why is Intel Core i7-9800X better than Intel Core i7-9700K?
- 5.56% higher CPU speed?
8 x 3.8GHz vs 8 x 3.6GHz - 8 more CPU threads?
16 vs 8 - 6MB more L2 cache?
8MB vs 2MB - 25.69% higher PassMark score?
18293 vs 14554 - 4.5MB more L3 cache?
16.5MB vs 12MB - 0.75MB/core more L2 cache per core? more memory bandwidth?
79.
47GB/s vs 41.6GB/s - 2 more memory channels?
4 vs 2
Which comparisons are the most popular?
Intel Core i7-9700k
VS
AMD Ryzen 5 5600x
Intel Core i7-9800x
VS
Intel Core i7-7920H
Intel Core I7-9700K
VS
I7-97-9700F
Intel Core I7-9700F 9800x
VS
Intel Core i7-9700
Intel Core i7-9700k
VS
Intel Core i5-9600k
Intel Core I7-9800x
VS
AMD Ryzen 5,000 9000 9700K
vs
AMD Ryzen 7 5800X
Intel Core i7-9800X
vs
Intel Core i9-9900K
Intel Core i7-9700K
vs
Intel Core i7-8700K
Intel Core i7-9800X
vs
Intel Core i5+8400
Intel Core i7-9700k
VS
AMD Ryzen 7 3700x
Intel Core i7-9800x
Intel Core I7-000 INTEL Core I7-000 INTEL CORE IMRE
Intel Core i9-9900k
Intel Core i7-9800x
VS
Intel Celeron G3950
Intel Core i7-9700K
VS
AMD Ryzen 9 3900x
I7-9800x
Intel Core i7-9700k
VS
AMD Ryzen 5 5600g
Intel Core i7-9800x
VS
Intel Core I7-7820X
VS 9000 REN
Price matching
User reviews
Performance
CPU speed
8 x 3.
6GHz
8 x 3.8GHz
CPU speed indicates how many processing cycles per second a processor can perform, considering all its cores (processors). It is calculated by adding the clock speeds of each core or, in the case of multi-core processors, each group of cores.
processor thread
More threads result in better performance and better multitasking.
turbo clock speed
4.9GHz
4.4GHz
When the processor is running below its limits, it can jump to a higher clock speed to increase performance.
Unlocked
✔Intel Core i7-9700K
✖Intel Core i7-9800X
Some processors come with an unlocked multiplier and can be easily overclocked for better performance in games and other applications.
L2 Cache
More L2 scratchpad memory results in faster results in CPU and system performance tuning.
L3 cache
16.5MB
More L3 scratchpad memory results in faster results in CPU and system performance tuning.
L1 cache
More L1 cache results in faster results in CPU and system performance tuning.
L2 core
0.25MB/core
1MB/core
More data can be stored in L2 scratchpad for access by each processor core.
L3 core
1.5MB/core
2.06MB/core
More data can be stored in L3 scratchpad for access by each processor core.
Geotagging
PassMark result
This benchmark measures CPU performance using multithreading.
PassMark result (single)
This benchmark measures processor performance using a thread of execution.
Geekbench 5 result (multi-core)
Geekbench 5 is a cross-platform test that measures the performance of a multi-core processor.
(Source: Primate Labs, 2022)
Cinebench R20 result (multi-core)
Unknown. Help us offer a price. (Intel Core i7-9800X)
Cinebench R20 is a test that measures the performance of a multi-core processor by rendering a 3D scene.
Cinebench R20 result (single core)
Unknown. Help us offer a price. (Intel Core i7-9800X)
Cinebench R20 is a test to evaluate the performance of a single core processor when rendering a 3D scene.
Geekbench 5 result (single core)
Geekbench 5 is a cross-platform test that measures the single core performance of a processor. (Source: Primate Labs, 2022)
Blender test result (bmw27)
224.8seconds
192seconds
The Blender benchmark (bmw27) measures CPU performance by rendering a 3D scene. More powerful processors can render a scene in a shorter time.
Blender (classroom) result
709.8seconds
594.5seconds
The Blender (classroom) test measures CPU performance by rendering a 3D scene. More powerful processors can render a scene in a shorter time.
performance per watt
This means that the processor is more efficient, giving more performance per watt of power used.
Integrated graphics
GPU clock speed
350MHz
∅
N/A
Graphics processing unit (GPU) has a higher clock speed.
turbo GPU
1200MHz
∅
N/A
When the GPU is running below its limits, it may jump to a higher clock speed to increase performance.
GPU Executors
Unknown. Help us offer a price. (Intel Core i7-9700K)
∅
N/A
A graphics processing unit (GPU) with more execution units can provide better graphics.
monitor support
∅
N/A
By using multiple displays, you can expand your workspace, making it easier to work across multiple applications.
DirectX 9 version0003
∅
N/A
DirectX is used in games with a new version that supports better graphics.
OpenGL version
∅
N/A
The newer the OpenGL version, the better the graphics in games.
OpenCL version
Unknown. Help us offer a price. (Intel Core i7-9700K)
Unknown. Help us offer a price. (Intel Core i7-9800X)
Some applications use OpenCL to use the power of the graphics processing unit (GPU) for non-graphical computing. Newer versions are more functional and better quality.
texture units (TMUs)
Unknown.
Help us offer a price. (Intel Core i7-9700K)
∅
N/A
TMUs take textured units and map them to the geometric location of the 3D scene. More TMUs generally means texture information is processed faster.
imaging units ROPs
Unknown. Help us offer a price. (Intel Core i7-9700K)
∅
N/A
ROPs are responsible for some of the final steps of the rendering process, such as writing the final pixel data to memory and for performing other tasks such as anti-aliasing to improve the appearance of graphics.
Memory
RAM speed
2666MHz
2666MHz
Can support faster memory which speeds up system performance.
maximum memory bandwidth
41.6GB/s
79.47GB/s
This is the maximum rate at which data can be read from or stored in memory.
DDR version
DDR (Double Data Rate Synchronous Dynamic Random Access Memory) is the most common type of main memory. New versions of DDR memory support higher maximum speeds and are more energy efficient.
memory channels
More memory channels increase the speed of data transfer between memory and processor.
maximum memory
Maximum memory (RAM).
bus baud rate
A bus is responsible for transferring data between various components of a computer or device.
Supports memory troubleshooting code
✖Intel Core i7-9700K
✖Intel Core i7-9800X
Memory troubleshooting code can detect and repair data corruption. It is used when necessary to avoid distortion, such as in scientific computing or when starting a server.
eMMC version
Unknown.
Help us offer a price. (Intel Core i7-9700K)
Unknown. Help us offer a price. (Intel Core i7-9800X)
The newer version of eMMC — built-in flash memory card — speeds up the memory interface, has a positive effect on device performance, for example, when transferring files from a computer to internal memory via USB.
bus frequency
Unknown. Help us offer a price. (Intel Core i7-9700K)
Unknown. Help us offer a price. (Intel Core i7-9800X)
The bus is responsible for transferring data between various components of a computer or device
Functions
uses multi-threading
, Intel’s Hyperthreading or AMD’s Simultaneous Multithreading) delivers faster performance by dividing each physical processor core into logical cores, also known as threads. Thus, each core can run two instruction streams at the same time.
Has AES
✔Intel Core i7-9700K
✔Intel Core i7-9800X
AES is used to speed up encryption and decryption.
Has AVX
✔Intel Core i7-9700K
✔Intel Core i7-9800X
AVX is used to help speed up calculations in multimedia, scientific and financial applications, and to improve the performance of the Linux RAID program.
version of SSE
SSE is used to speed up multimedia tasks such as editing images or adjusting audio volume. Each new version contains new instructions and improvements.
Has F16C
✔Intel Core i7-9700K
✔Intel Core i7-9800X
F16C is used to speed up tasks such as adjusting image contrast or adjusting volume.
bits transmitted at the same time
Unknown. Help us offer a price. (Intel Core i7-9700K)
Unknown. Help us offer a price. (Intel Core i7-9800X)
NEON provides faster media processing such as MP3 listening.
Has MMX
✔Intel Core i7-9700K
✔Intel Core i7-9800X
MMX is used to speed up tasks such as adjusting image contrast or adjusting volume.