AMD Ryzen 9 3900X vs Intel Core i7 12700

VS

We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and Intel Core i7 12700 with 12 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900X 's Advantages

Higher base frequency (3.8GHz vs 2.1GHz)

Larger L3 cache size (64MB vs 25MB)

Intel Core i7 12700 's Advantages

Released 2 years and 6 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)

Lower TDP (65W vs 105W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900X

1313

Intel Core i7 12700 +42%

1873

Cinebench R23 Multi Core

AMD Ryzen 9 3900X +5%

18656

Intel Core i7 12700

17734

Geekbench 6 Single Core

AMD Ryzen 9 3900X

1842

Intel Core i7 12700 +35%

2491

Geekbench 6 Multi Core

AMD Ryzen 9 3900X

11715

Intel Core i7 12700 +9%

12863

Cinebench 2024 Single Core

AMD Ryzen 9 3900X

78

Intel Core i7 12700 +41%

110

Cinebench 2024 Multi Core

AMD Ryzen 9 3900X +6%

1068

Intel Core i7 12700

1004

Geekbench 5 Single Core

AMD Ryzen 9 3900X

1319

Intel Core i7 12700 +36%

1799

Geekbench 5 Multi Core

AMD Ryzen 9 3900X

11991

Intel Core i7 12700 +4%

12519

Passmark CPU Single Core

AMD Ryzen 9 3900X

2683

Intel Core i7 12700 +46%

3921

Passmark CPU Multi Core

AMD Ryzen 9 3900X +5%

32531

Intel Core i7 12700

30858

AMD Ryzen 9 3900X

VS

Intel Core i7 12700

General Parameters

Jul 2019

Release Date

Jan 2022

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Alder Lake

-

Processor Number

i7-12700

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

65 W

-

Max Turbo Power Consumption

180 W

95 °C

Peak Operating Temperature

100°C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

2.1 GHz

4.6 GHz

Performance Core Turbo Frequency

4.8 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

4

-

Efficiency Core Base Frequency

1.6 GHz

-

Efficiency Core Turbo Frequency

3.6 GHz

12

Total Core Count

12

24

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

21x

64 K per core

L1 Cache

80 K per core

512 K per core

L2 Cache

12 MB shared

64 MB shared

L3 Cache

25 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200, DDR5-4800

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

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 9 3900X

Official Website

Intel Core i7 12700

4.0

PCIe Version

5.0

16

PCIe Lanes

20

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