I5 6400 vs i3 8100: Intel Core i3-8100 vs i5-6400

Which are the most popular comparisons?

Intel Core i3-8100

vs

Intel Core i5-6500

Intel Core i5-6400

vs

Intel Core i5-6500

Intel Core i3-8100

vs

Intel Core M3-8100Y

Intel Core i5-6400

vs

Intel Core i5-6400T

Intel Core i3-8100

vs

Intel Celeron 6305

Intel Core i5-6400

vs

Intel Core i5-6600

Intel Core i3-8100

vs

Intel Core i3-8100T

Intel Core i5-6400

vs

Intel Core i7-6700

Intel Core i3-8100

vs

Intel Pentium Gold G5400

Intel Core i5-6400

vs

Intel Core i3-7100

Intel Core i3-8100

vs

Intel Core i5-7500

Intel Core i5-6400

vs

Intel Pentium Gold G5400

Intel Core i3-8100

vs

Intel Core i5-7400

Intel Core i5-6400

vs

Intel Core i5-7400

Intel Core i3-8100

vs

Intel Core i3-9100F

Intel Core i5-6400

vs

Intel Core i5-10400

Intel Core i3-8100

vs

AMD Ryzen 3 3200G

Intel Core i5-6400

vs

AMD Ryzen 5 5600G

Intel Core i3-8100

vs

Intel Core i7-6700

Price comparison

User reviews

Overall Rating

Intel Core i3-8100

1 User reviews

Intel Core i3-8100

10. 0/10

1 User reviews

Intel Core i5-6400

1 User reviews

Intel Core i5-6400

8.0/10

1 User reviews

Features

Value for money

10.0/10

1 votes

7.0/10

1 votes

Gaming

10.0/10

1 votes

7.0/10

1 votes

Performance

10.0/10

1 votes

7.0/10

1 votes

Reliability

10.0/10

1 votes

9.0/10

1 votes

Energy efficiency

10.0/10

1 votes

9.0/10

1 votes

Performance

CPU speed

4 x 3.6GHz

4 x 2.7GHz

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

Unknown. Help us by suggesting a value. (Intel Core i3-8100)

3.3GHz

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 i3-8100

✖Intel Core i5-6400

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

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

0.2MB/core

More data can be stored in the L2 cache for access by each core of the CPU.

L3 core

1.5MB/core

1.5MB/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)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Geekbench 5 is a cross-platform benchmark that measures a processor’s multi-core performance. (Source: Primate Labs, 2023)

Cinebench R20 (multi) result

Unknown. Help us by suggesting a value. (Intel Core i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

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 i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Cinebench R20 is a benchmark tool that measures a CPU’s single-core performance by rendering a 3D scene.

Geekbench 5 result (single)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Geekbench 5 is a cross-platform benchmark that measures a processor’s single-core performance. (Source: Primate Labs, 2023)

Blender (bmw27) result

Unknown. Help us by suggesting a value. (Intel Core i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

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

Unknown. Help us by suggesting a value. (Intel Core i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

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

Unknown. Help us by suggesting a value. (Intel Core i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

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

350MHz

The graphics processing unit (GPU) has a higher clock speed.

GPU turbo

1100MHz

950MHz

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 i3-8100)

A graphics processing unit (GPU) with a greater number of execution units can deliver better graphics.

supported displays

Using multiple displays you can create a larger workspace, making it easier to work across multiple apps.

DirectX version

DirectX is used in games, with newer versions supporting better graphics.

OpenGL version

OpenGL is used in games, with newer versions supporting better graphics.

OpenCL version

Unknown. Help us by suggesting a value. (Intel Core i3-8100)

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 i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

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 i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

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

2400MHz

2133MHz

It can support faster memory, which will give quicker system performance.

maximum memory bandwidth

38.4GB/s

34.1GB/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 i3-8100

✖Intel Core i5-6400

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 i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

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 i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

The bus is responsible for transferring data between different components of a computer or device.

Features

uses multithreading

✖Intel Core i3-8100

✖Intel Core i5-6400

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 i3-8100

✔Intel Core i5-6400

AES is used to speed up encryption and decryption.

Has AVX

✔Intel Core i3-8100

✔Intel Core i5-6400

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 i3-8100

✔Intel Core i5-6400

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 i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

NEON provides acceleration for media processing, such as listening to MP3s.

Has MMX

✔Intel Core i3-8100

✔Intel Core i5-6400

MMX is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.

Has TrustZone

✖Intel Core i3-8100

✖Intel Core i5-6400

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 i3-8100)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

The CPU can decode more instructions per clock (IPC), meaning that the CPU performs better

Price comparison

Which are the best CPUs?

Intel Core i5 6400 vs i3 8100: performance comparison

VS

Intel Core i5 6400

Intel Core i3 8100

We compared two 4-core desktop CPUs: the 2. 7 GHz Intel Core i5 6400 against the 3.6 GHz i3 8100. On this page, you’ll find out which processor has better performance in benchmarks, games and other useful information.

1. Review
2. Differences
3. Performance
4. Specs
5. Comments

Review

General overview and comparison of the processors

Single-Core Performance

Performance in single-threaded apps and benchmarks

Core i5 6400

41

Core i3 8100

44

Performance

Measure performance when all cores are involved

Core i5 6400

13

Core i3 8100

16

Power Efficiency

The efficiency score of electricity consumption

Core i5 6400

45

Core i3 8100

45

NanoReview Final Score

Generic CPU rating

Core i5 6400

31

Core i3 8100

33

Key Differences

What are the key differences between 8100 and 6400

Advantages of Intel Core i3 8100

• Newer — released 2-years and 2-months later
• Around 3. 4 GB/s (10%) higher theoretical memory bandwidth
• 10% faster in a single-core Geekbench v5 test — 949 vs 860 points

Benchmarks

Comparing the performance of CPUs in benchmarks

Cinebench R23 (Single-Core)

Core i5 6400

906

Core i3 8100
+4%

938

Cinebench R23 (Multi-Core)

Core i5 6400

3249

Core i3 8100
+12%

3641

Passmark CPU (Single-Core)

Core i5 6400

1972

Core i3 8100
+14%

2246

Passmark CPU (Multi-Core)

Core i5 6400

5213

Core i3 8100
+19%

6193

Geekbench 5 (Single-Core)

Core i5 6400

861

Core i3 8100
+11%

957

Geekbench 5 (Multi-Core)

Core i5 6400

2811

Core i3 8100
+19%

3355

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 i5 6400 and i3 8100

General

Performance Cores

P-Cores	4	4
P-Threads	4	4
Base Frequency (P)	2. 7 GHz	3.6 GHz
Turbo Boost Frequency (P)	3.3 GHz	—

Package

Integrated Graphics	Intel HD Graphics 530	Intel UHD Graphics 630
GPU Base Clock	—	350 MHz
GPU Boost Clock	950 MHz	1100 MHz
Shading Units	—	192
TMUs	—	24
ROPs	—	3
Execution Units	—	24
TGP	—	15 W
Max. Resolution	—	4096×2304 — 60 Hz

iGPU FLOPS

Core i5 6400

n/a

Core i3 8100

0.38 TFLOPS

Memory Support

Official site	Intel Core i5 6400 official page	Intel Core i3 8100 official page
PCI Express Version	3.0	3.0
PCI Express Lanes	16	16
Extended instructions	SSE4. 1, SSE4.2, AVX-2	SSE4.1, SSE4.2, AVX-2

Cast your vote

Choose between two processors

Core i5 6400

3 (18.8%)

Core i3 8100

13 (81.3%)

Total votes: 16

So which CPU will you choose: Intel Core i3 8100 or i5 6400?

Name

Message

Intel Core i3-8100 vs Intel Core i5-6400: What is the difference?

55 BALLLA

Intel Core i3-8100

47 Ballla

Intel Core i5-6400 9000 Why is Intel Core i3-8100 better than Intel Core i5-6400?

• 33.33% higher CPU speed?
  4 x 3.6GHz vs 4 x 2.7GHz
• 267MHz higher RAM speed?
  2400MHz vs 2133MHz
• 29°C higher than maximum operating temperature?
  100°C vs 71°C
• 24. 86% higher PassMark score?
  8183 vs 6554
• 128KB more L1 cache?
  256KB vs 128KB
• 0.05MB/core more L2 cache per core?
  0.25MB/core vs 0.2MB/core
• 4.3GB/s more memory bandwidth?
  38.4GB/s vs 34.1GB/s
• 14.79% higher PassMark score (single)?
  2095 vs 1825

Why is Intel Core i5-6400 better than Intel Core i3-8100?