Intel Core i9 7900X vs Intel Core i7 7700K

VS

Intel Core i9 7900X

Intel Core i7 7700K

We compared two desktop CPUs: Intel Core i9 7900X with 10 cores 3.3GHz 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 i9 7900X 's Advantages

Higher specification of memory (2666 vs 2400)

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

Larger L3 cache size (14MB vs 8MB)

Intel Core i7 7700K 's Advantages

Integrated graphics card

Higher base frequency (4.2GHz vs 3.3GHz)

Lower TDP (91W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 7900X

1203

Intel Core i7 7700K

1209

Cinebench R23 Multi Core

Intel Core i9 7900X +155%

14998

Intel Core i7 7700K

5881

Geekbench 6 Single Core

Intel Core i9 7900X

1323

Intel Core i7 7700K +17%

1557

Geekbench 6 Multi Core

Intel Core i9 7900X +62%

8536

Intel Core i7 7700K

5260

Geekbench 5 Single Core

Intel Core i9 7900X

1127

Intel Core i7 7700K

1129

Geekbench 5 Multi Core

Intel Core i9 7900X +116%

10189

Intel Core i7 7700K

4705

Passmark CPU Single Core

Intel Core i9 7900X

2556

Intel Core i7 7700K +6%

2712

Passmark CPU Multi Core

Intel Core i9 7900X +118%

20991

Intel Core i7 7700K

9594

Intel Core i9 7900X

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

i9-7900X

Processor Number

i7-7700K

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

91 W

95 °C

Peak Operating Temperature

100 °C

CPU Performance

10

Performance Cores

4

20

Performance Core Threads

8

3.3 GHz

Performance Core Base Frequency

4.2 GHz

4.3 GHz

Performance Core Turbo Frequency

4.5 GHz

10

Total Core Count

4

20

Total Thread Count

8

100 MHz

Bus Frequency

42 MHz

33x

Multiplier

100x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

14 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

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 i9 7900X

Official Website

Intel Core i7 7700K

3.0

PCIe Version

3.0

44

PCIe Lanes

16

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

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

Related CPU Comparisons

1

Intel Core i9 7900X vs AMD Ryzen 5 4600GE

2

Intel Core i9 7900X vs Intel Core i5 13600KF

3

Intel Core i9 7900X vs Intel Core i5 8400T

4

Intel Core i9 7900X vs Intel Core i7 14700

5

Intel Core i9 7900X vs Intel Core i5 6500

6

Intel Core i9 7900X vs Intel Core i5 9500F

7

Intel Core i9 7900X vs AMD Ryzen 3 4300G

8

Intel Core i9 7900X vs Intel Core i5 8600K

9

Intel Core i9 7900X vs Intel Core i9 14900KF

10

Intel Core i9 7900X vs Intel Core i7 13700F

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game