AMD Ryzen 7 3800XT vs Intel Core i7 12700K

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

Main Differences

AMD Ryzen 7 3800XT 's Advantages

Higher base frequency (3.9GHz vs 3.6GHz)

Larger L3 cache size (32MB vs 25MB)

Lower TDP (105W vs 125W)

Intel Core i7 12700K 's Advantages

Released 1 years and 3 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)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 3800XT

1352

Intel Core i7 12700K +43%

1944

Cinebench R23 Multi Core

AMD Ryzen 7 3800XT

12960

Intel Core i7 12700K +75%

22801

Geekbench 6 Single Core

AMD Ryzen 7 3800XT

1679

Intel Core i7 12700K +56%

2625

Geekbench 6 Multi Core

AMD Ryzen 7 3800XT

6343

Intel Core i7 12700K +132%

14728

Cinebench 2024 Single Core

AMD Ryzen 7 3800XT

81

Intel Core i7 12700K +43%

116

Cinebench 2024 Multi Core

AMD Ryzen 7 3800XT

734

Intel Core i7 12700K +60%

1175

Blender

AMD Ryzen 7 3800XT

193

Intel Core i7 12700K +82%

352

Geekbench 5 Single Core

AMD Ryzen 7 3800XT

1319

Intel Core i7 12700K +57%

2084

Geekbench 5 Multi Core

AMD Ryzen 7 3800XT

9327

Intel Core i7 12700K +66%

15499

Passmark CPU Single Core

AMD Ryzen 7 3800XT

2793

Intel Core i7 12700K +44%

4040

Passmark CPU Multi Core

AMD Ryzen 7 3800XT

23540

Intel Core i7 12700K +47%

34674

AMD Ryzen 7 3800XT

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Intel Core i7 12700K

General Parameters

Jul 2020

Release Date

Oct 2021

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Alder Lake

-

Processor Number

i7-12700K

AM4

Socket

LGA-1700

N/A

Integrated Graphics

UHD Graphics 770

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

10 nm

AM4

Socket

LGA-1700

105 W

Power Consumption

125 W

-

Max Turbo Power Consumption

190 W

95 °C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.9 GHz

Performance Core Base Frequency

3.6 GHz

4.7 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

4

-

Efficiency Core Base Frequency

2.7 GHz

-

Efficiency Core Turbo Frequency

3.8 GHz

8

Total Core Count

12

16

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

39x

Multiplier

36x

64 K per core

L1 Cache

80 K per core

512 K per core

L2 Cache

12 MB shared

32 MB shared

L3 Cache

25 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR5-4800, DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1500 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

-

Execution Units

32

-

Power Consumption

15 W

-

Graphics Performance

0.78 TFLOPS

Miscellaneous

AMD Ryzen 7 3800XT

Official Website

Intel Core i7 12700K

4.0

PCIe Version

5.0

24

PCIe Lanes

20

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