Intel Core i7 7800X vs Intel Core i9 7900X

VS

We compared two desktop CPUs: Intel Core i7 7800X with 6 cores 3.5GHz and Intel Core i9 7900X with 10 cores 3.3GHz . 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

Higher base frequency (3.5GHz vs 3.3GHz)

Intel Core i9 7900X 's Advantages

Higher specification of memory (DDR4-2666 vs DDR4-2400)

Larger L3 cache size (14MB vs 8MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7800X

963

Intel Core i9 7900X +24%

1203

Cinebench R23 Multi Core

Intel Core i7 7800X

7269

Intel Core i9 7900X +62%

11804

Geekbench 6 Single Core

Intel Core i7 7800X +2%

1362

Intel Core i9 7900X

1323

Geekbench 6 Multi Core

Intel Core i7 7800X

6082

Intel Core i9 7900X +40%

8536

Geekbench 5 Single Core

Intel Core i7 7800X

1069

Intel Core i9 7900X +5%

1127

Geekbench 5 Multi Core

Intel Core i7 7800X

6578

Intel Core i9 7900X +54%

10189

Passmark CPU Single Core

Intel Core i7 7800X

2409

Intel Core i9 7900X +6%

2556

Passmark CPU Multi Core

Intel Core i7 7800X

12894

Intel Core i9 7900X +62%

20991

Intel Core i7 7800X

VS

Intel Core i9 7900X

General Parameters

May 2017

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Skylake

i7-7800X

Processor Number

i9-7900X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-2066

140 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

95 °C

CPU Performance

6

Performance Cores

10

12

Performance Core Threads

20

3.5 GHz

Performance Core Base Frequency

3.3 GHz

4 GHz

Performance Core Turbo Frequency

4.3 GHz

6

Total Core Count

10

12

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

14 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2400

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

79.47 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 7800X

Official Website

Intel Core i9 7900X

3.0

PCIe Version

3.0

28

PCIe Lanes

44

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

Extended Instruction Set

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

Related CPU Comparisons

1

AMD Ryzen 5 7600 vs Intel Core i7 7800X

2

Intel Core i3 7100 vs Intel Core i7 7800X

3

AMD Ryzen 7 7800X3D vs Intel Core i7 7800X

4

Intel Core i5 10400F vs Intel Core i7 7800X

5

Intel Core i7 7800X vs Intel Core i5 10400

6

Intel Core i7 7800X vs AMD Ryzen 7 5800X3D

7

AMD Ryzen 7 8700G vs Intel Core i7 7800X

8

Intel Core i9 7900X vs Intel Core i5 12400F

9

Intel Core i7 7800X vs Intel Core i7 14700F

10

Intel Core i7 7800X vs Intel Core i7 8700T