Intel Core i7 7800X vs Intel Core i7 7700K

VS

We compared two desktop CPUs: Intel Core i7 7800X with 6 cores 3.5GHz 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 7800X 's Advantages

Larger memory bandwidth (79.47GB/s vs 35.76GB/s)

Intel Core i7 7700K 's Advantages

Integrated graphics card

Higher specification of memory (DDR4-2400 vs DDR4-2400)

Higher base frequency (4.2GHz vs 3.5GHz)

Lower TDP (91W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7800X

963

Intel Core i7 7700K +26%

1215

Cinebench R23 Multi Core

Intel Core i7 7800X +23%

7269

Intel Core i7 7700K

5904

Geekbench 6 Single Core

Intel Core i7 7800X

1362

Intel Core i7 7700K +14%

1557

Geekbench 6 Multi Core

Intel Core i7 7800X +15%

6082

Intel Core i7 7700K

5260

Geekbench 5 Single Core

Intel Core i7 7800X

1069

Intel Core i7 7700K +5%

1129

Geekbench 5 Multi Core

Intel Core i7 7800X +39%

6578

Intel Core i7 7700K

4705

Passmark CPU Single Core

Intel Core i7 7800X

2409

Intel Core i7 7700K +12%

2712

Passmark CPU Multi Core

Intel Core i7 7800X +34%

12894

Intel Core i7 7700K

9594

Intel Core i7 7800X

VS

Intel Core i7 7700K

General Parameters

May 2017

Release Date

Jan 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Kaby Lake

i7-7800X

Processor Number

i7-7700K

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1151

140 W

Power Consumption

91 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

6

Performance Cores

4

12

Performance Core Threads

8

3.5 GHz

Performance Core Base Frequency

4.2 GHz

4 GHz

Performance Core Turbo Frequency

4.5 GHz

6

Total Core Count

4

12

Total Thread Count

8

100 MHz

Bus Frequency

42 MHz

35x

Multiplier

100x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2400

Memory Types

DDR4-2400, DDR3L-1600

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

79.47 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 7800X

Official Website

Intel Core i7 7700K

3.0

PCIe Version

3.0

28

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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