I7 7700k vs 6700: Please click the green button to continue.

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5600X

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Core i5
12400F

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10400F

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12100F

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Intel Core i7 7700K vs i7 6700:

performance comparison

VS

Intel Core i7 7700K

Intel Core i7 6700

Which is better: Intel Core i7 7700K at 4. 2 GHz (with Turbo Boost up to 4.5) or i7 6700 at 3.4 GHz (with Turbo Boost up to 4.0)? To find out, read our comparative testing of these 4-core desktop processors in popular benchmarks, games and heavy applications.

1. Overview
2. Differences
3. Performance
4. Features
5. Comments

Overview

Overview and comparison of the main metrics from NanoReview

Single-threaded performance

Rating in tests using a single core

Core i7 7700K

55

Core i7 6700

48

Many threaded performance

Benchmark tests with all cores involved

Core i7 7700K

20

Core i7 6700

17

Power Efficiency

Chip Power Efficiency

Core i7 7 700K

44

Core i7 6700

45

NanoReview rating

Final processor score

Core i7 7700K

39

Core i7 6700

36

Key differences

What are the main differences between 6700 and 7700K

Reasons to choose Intel Core i7 7700K

• Unlocked multiplier
• Launched 1 year and 4 months later than rival
• 13% higher Turbo Boost frequency (4. 5 GHz vs 4 GHz) % faster in single core Geekbench v5 — 1135 and 1007 points
• 1.66 GB / s (5%) more than the maximum memory bandwidth

Benchmark tests

Compare the results of processor tests in benchmarks

Cinebench R23 (single core)

Core i7 7700K
+14%

1218

Core i7 6700

1072

Cinebench R23 (multi-core)

Core i7 7700K
+22%

5947

Core i7 6700

4866

Passmark CPU (single core)

Core i7 7700K
+19%

2747

Core i7 6700

2308

Passmark CPU (multi-core)

Core i7 7700K
+19%

9693

Core i7 6700

8170

Geekbench 5 (single core)

Core i7 7700K
+13%

1141

Core i7 6700

1007

Geekbench 5 (multi-core)

Core i7 7700K
+21%

4763

Core i7 6700

3947

Add your Cinebench R23 results

Specifications

List of full specifications of Intel Core i7 7700K and i7 6700

General information

Manufacturer	Intel	Intel
Release date	January 3, 2017	September 1, 2015
Type	Desktop	Desktop
Instruction set architecture	x86-64	x86-64
Codename	Kaby Lake	Skylake
Model number	i7-7700K	i7-6700
Integrated graphics	HD Graphics 630	HD Graphics 530

Processor

Performance Cores

Cores	4	4
threads	8	8
Frequency	4. 2 GHz	3.4 GHz
Max. frequency in Turbo Boost	4.5 GHz	4 GHz

General

Number of cores	4	4
Number of threads	8	8
Bus frequency	42 MHz	100 MHz
Multiplier	100x	34x
Bus speed	8 GT/s	8 GT/s
Level 1 cache	64KB (per core)	64KB (per core)
Level 2 cache	256KB (per core)	256KB (per core)
Level 3 cache	8MB (shared)	8MB (shared)
Unlocked multiplier	Yes	No

Process	14 nanometers	14 nanometers
Power consumption (TDP)	91W	65 W
Socket	LGA-1151	LGA-1151
Critical temperature	100°C	—

Integrated graphics	Intel HD Graphics 630	Intel HD Graphics 530
GPU frequency	350 MHz	—
Boost GPU frequency	1150 MHz	1150 MHz
Shader blocks	192	—
TMUs	24	—
ROPs	3	—
Computer units	24	—
TGP	15W	—
Max. resolution	4096×2304 — 60Hz	—

iGPU FLOPS

Core i7 7700K

0.44 teraflops

Core i7 6700

n/a

9 0171 Memory support

Memory type	— DDR4-2400 — DDR3L-1600	— DDR4-2133 — DDR3L-1600
Max. size	64 GB	64 GB
Number of channels	2	2
Max. bandwidth	35.76 GB/s	34.1 GB/s
ECC support	No	No

Other

Official site	Site Intel Core i7 7700K	Site Intel Core i7 6700
PCI Express Version	3.0	3.0
Max. PCI Express lanes	16	16
Extended instructions	SSE4.