Intel Core i7 6900K vs Intel Core i7 7700K

VS

Intel Core i7 6900K

Intel Core i7 7700K

We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz and Intel Core i7 7700K with 4 cores 4.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 6900K 's Advantages

Larger memory bandwidth (76.8GB/s vs 35.76GB/s)

Larger L3 cache size (20MB vs 8MB)

Intel Core i7 7700K 's Advantages

Released 8 months late

Integrated graphics card

Higher specification of memory (2400 vs 2133)

Higher base frequency (4.2GHz vs 3.2GHz)

Lower TDP (91W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6900K

1151

Intel Core i7 7700K +5%

1209

Cinebench R23 Multi Core

Intel Core i7 6900K +92%

11326

Intel Core i7 7700K

5881

Geekbench 6 Single Core

Intel Core i7 6900K

1286

Intel Core i7 7700K +21%

1557

Geekbench 6 Multi Core

Intel Core i7 6900K +42%

7470

Intel Core i7 7700K

5260

Blender

Intel Core i7 6900K +88%

192

Intel Core i7 7700K

102

Geekbench 5 Single Core

Intel Core i7 6900K

961

Intel Core i7 7700K +17%

1129

Geekbench 5 Multi Core

Intel Core i7 6900K +55%

7327

Intel Core i7 7700K

4705

Passmark CPU Single Core

Intel Core i7 6900K

2310

Intel Core i7 7700K +17%

2712

Passmark CPU Multi Core

Intel Core i7 6900K +48%

14258

Intel Core i7 7700K

9594

Intel Core i7 6900K

VS

Intel Core i7 7700K

General Parameters

May 2016

Release Date

Jan 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Kaby Lake

i7-6900K

Processor Number

i7-7700K

LGA-2011-3

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

91 W

-

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

8

3.2 GHz

Performance Core Base Frequency

4.2 GHz

3.7 GHz

Performance Core Turbo Frequency

4.5 GHz

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

42 MHz

32x

Multiplier

100x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

20 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133

Memory Types

DDR4-2400, DDR3L-1600

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

35.76 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1150 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.44 TFLOPS

Miscellaneous

Intel Core i7 6900K

Official Website

Intel Core i7 7700K

3.0

PCIe Version

3.0

40

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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