Intel Core i7 12700KF vs AMD Ryzen 7 3800X

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We compared two desktop CPUs: Intel Core i7 12700KF with 12 cores 3.6GHz and AMD Ryzen 7 3800X with 8 cores 3.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 12700KF 's Advantages

Released 2 years and 3 months late

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)

AMD Ryzen 7 3800X 's Advantages

Higher base frequency (3.9GHz vs 3.6GHz)

Larger L3 cache size (32MB vs 25MB)

Lower TDP (105W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 12700KF +44%

1944

AMD Ryzen 7 3800X

1341

Cinebench R23 Multi Core

Intel Core i7 12700KF +64%

22801

AMD Ryzen 7 3800X

13863

Geekbench 6 Single Core

Intel Core i7 12700KF +60%

2790

AMD Ryzen 7 3800X

1743

Geekbench 6 Multi Core

Intel Core i7 12700KF +78%

15374

AMD Ryzen 7 3800X

8625

Cinebench 2024 Single Core

Intel Core i7 12700KF +43%

112

AMD Ryzen 7 3800X

78

Cinebench 2024 Multi Core

Intel Core i7 12700KF +65%

1175

AMD Ryzen 7 3800X

712

Geekbench 5 Single Core

Intel Core i7 12700KF +52%

2031

AMD Ryzen 7 3800X

1333

Geekbench 5 Multi Core

Intel Core i7 12700KF +57%

14961

AMD Ryzen 7 3800X

9479

Passmark CPU Single Core

Intel Core i7 12700KF +49%

4020

AMD Ryzen 7 3800X

2695

Passmark CPU Multi Core

Intel Core i7 12700KF +46%

34419

AMD Ryzen 7 3800X

23418

Intel Core i7 12700KF

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AMD Ryzen 7 3800X

General Parameters

Oct 2021

Release Date

Jul 2019

Intel

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Zen 2

i7-12700KF

Processor Number

-

LGA-1700

Socket

AM4

No

Integrated Graphics

No

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

95°C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.6 GHz

Performance Core Base Frequency

3.9 GHz

4.9 GHz

Performance Core Turbo Frequency

4.5 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

8

20

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

39x

80 K per core

L1 Cache

64 K per core

12 MB shared

L2 Cache

512 K per core

25 MB shared

L3 Cache

32 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

Miscellaneous

Intel Core i7 12700KF

Official Website

AMD Ryzen 7 3800X

5.0

PCIe Version

4.0

20

PCIe Lanes

16

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