AMD Ryzen 9 7900 vs Intel Core i7 8700K

VS

AMD Ryzen 9 7900

Intel Core i7 8700K

We compared two desktop CPUs: AMD Ryzen 9 7900 with 12 cores 3.7GHz and Intel Core i7 8700K with 6 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7900 's Advantages

Released 5 years and 3 months late

Better graphics card performance

Higher specification of memory (5200 vs 2666)

Larger memory bandwidth (83.2GB/s vs 41.6GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (64MB vs 12MB)

More modern manufacturing process (5nm vs 14nm)

Lower TDP (65W vs 95W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7900 +67%

2034

Intel Core i7 8700K

1215

Cinebench R23 Multi Core

AMD Ryzen 9 7900 +236%

29358

Intel Core i7 8700K

8734

Geekbench 6 Single Core

AMD Ryzen 9 7900 +99%

2946

Intel Core i7 8700K

1475

Geekbench 6 Multi Core

AMD Ryzen 9 7900 +174%

17413

Intel Core i7 8700K

6339

Blender

AMD Ryzen 9 7900 +192%

456

Intel Core i7 8700K

156

Geekbench 5 Single Core

AMD Ryzen 9 7900 +74%

2148

Intel Core i7 8700K

1233

Geekbench 5 Multi Core

AMD Ryzen 9 7900 +170%

17950

Intel Core i7 8700K

6632

Passmark CPU Single Core

AMD Ryzen 9 7900 +50%

4149

Intel Core i7 8700K

2748

Passmark CPU Multi Core

AMD Ryzen 9 7900 +257%

48837

Intel Core i7 8700K

13661

AMD Ryzen 9 7900

VS

Intel Core i7 8700K

General Parameters

Jan 2023

Release Date

Oct 2017

Amd

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 4 (Raphael)

Core Architecture

Coffee Lake

-

Processor Number

i7-8700K

AM5

Socket

LGA-1151

Radeon Graphics (Ryzen 7000)

Integrated Graphics

UHD Graphics 630

Package

13.1 billions

Transistor Count

-

5 nm

Manufacturing Process

14 nm

65 W

Power Consumption

95 W

90 W

Max Turbo Power Consumption

-

95 °C

Peak Operating Temperature

100 °C

CPU Performance

12

Performance Cores

6

24

Performance Core Threads

12

3.7 GHz

Performance Core Base Frequency

3.7 GHz

5.4 GHz

Performance Core Turbo Frequency

4.7 GHz

12

Total Core Count

6

24

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

37x

Multiplier

37x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

64 MB shared

L3 Cache

12 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR5-5200

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

41.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

400 MHz

GPU Base Frequency

350 MHz

2200 MHz

GPU Max Dynamic Frequency

1200 MHz

128

Shader Units

192

8

Texture Units

24

4

Raster Operation Units

3

2

Execution Units

24

15 W

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

0.56 TFLOPS

Graphics Performance

0.38 TFLOPS

Miscellaneous

AMD Ryzen 9 7900

Official Website

Intel Core i7 8700K

5.0

PCIe Version

3.0

28

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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