Intel Core i7 12700K vs AMD Ryzen 9 3950X

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We compared two desktop CPUs: Intel Core i7 12700K with 12 cores 3.6GHz and AMD Ryzen 9 3950X with 16 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 12700K 's Advantages

Released 1 years and 11 months late

Integrated graphics card

Higher specification of memory (DDR5-4800 vs DDR4-3200)

Larger memory bandwidth (76.8GB/s vs 47.68GB/s)

Newer PCIe version (5.0 vs 4.0)

Higher base frequency (3.6GHz vs 3.5GHz)

AMD Ryzen 9 3950X 's Advantages

Larger L3 cache size (64MB vs 25MB)

Lower TDP (105W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 12700K +46%

1944

AMD Ryzen 9 3950X

1331

Cinebench R23 Multi Core

Intel Core i7 12700K

22801

AMD Ryzen 9 3950X +5%

24018

Geekbench 6 Single Core

Intel Core i7 12700K +53%

2625

AMD Ryzen 9 3950X

1709

Geekbench 6 Multi Core

Intel Core i7 12700K +26%

14728

AMD Ryzen 9 3950X

11656

Cinebench 2024 Single Core

Intel Core i7 12700K +61%

116

AMD Ryzen 9 3950X

72

Cinebench 2024 Multi Core

Intel Core i7 12700K

1175

AMD Ryzen 9 3950X +12%

1325

Geekbench 5 Single Core

Intel Core i7 12700K +62%

2084

AMD Ryzen 9 3950X

1279

Geekbench 5 Multi Core

Intel Core i7 12700K +6%

15499

AMD Ryzen 9 3950X

14487

Passmark CPU Single Core

Intel Core i7 12700K +50%

4040

AMD Ryzen 9 3950X

2692

Passmark CPU Multi Core

Intel Core i7 12700K

34674

AMD Ryzen 9 3950X +12%

38953

Intel Core i7 12700K

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AMD Ryzen 9 3950X

General Parameters

Oct 2021

Release Date

Nov 2019

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Zen 2

i7-12700K

Processor Number

-

LGA-1700

Socket

AM4

UHD Graphics 770

Integrated Graphics

N/A

Package

-

Transistor Count

3.8 billions

10 nm

Manufacturing Process

7 nm

LGA-1700

Socket

AM4

125 W

Power Consumption

105 W

190 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

-

CPU Performance

8

Performance Cores

16

Performance Core Threads

32

3.6 GHz

Performance Core Base Frequency

3.5 GHz

4.9 GHz

Performance Core Turbo Frequency

4.7 GHz

4

Efficiency Cores

-

4

Efficiency Core Threads

-

2.7 GHz

Efficiency Core Base Frequency

-

3.8 GHz

Efficiency Core Turbo Frequency

-

12

Total Core Count

16

20

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

35x

80 K per core

L1 Cache

64 K per core

12 MB shared

L2 Cache

512 K per core

25 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

47.68 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1500 MHz

GPU Max Dynamic Frequency

-

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i7 12700K

Official Website

AMD Ryzen 9 3950X

5.0

PCIe Version

4.0

20

PCIe Lanes

16

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