Intel Core i9 12900KF vs AMD Ryzen Threadripper Pro 3945WX

VS

Intel Core i9 12900KF

AMD Ryzen Threadripper Pro 3945WX

We compared two desktop CPUs: Intel Core i9 12900KF with 16 cores 3.2GHz and AMD Ryzen Threadripper Pro 3945WX with 12 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900KF 's Advantages

Released 1 years and 3 months late

Higher specification of memory (4800 vs 3200)

Newer PCIe version (5.0 vs 4.0)

Lower TDP (125W vs 280W)

AMD Ryzen Threadripper Pro 3945WX 's Advantages

Larger memory bandwidth (204.8GB/s vs 76.8GB/s)

Higher base frequency (4.0GHz vs 3.2GHz)

Larger L3 cache size (64MB vs 30MB)

More modern manufacturing process (7nm vs 10nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 12900KF +72%

2686

AMD Ryzen Threadripper Pro 3945WX

1561

Geekbench 6 Multi Core

Intel Core i9 12900KF +47%

16130

AMD Ryzen Threadripper Pro 3945WX

10957

Blender

Intel Core i9 12900KF +88%

425

AMD Ryzen Threadripper Pro 3945WX

226

Geekbench 5 Single Core

Intel Core i9 12900KF +51%

1970

AMD Ryzen Threadripper Pro 3945WX

1303

Geekbench 5 Multi Core

Intel Core i9 12900KF +23%

17469

AMD Ryzen Threadripper Pro 3945WX

14155

Passmark CPU Single Core

Intel Core i9 12900KF +54%

4167

AMD Ryzen Threadripper Pro 3945WX

2690

Passmark CPU Multi Core

Intel Core i9 12900KF +24%

41190

AMD Ryzen Threadripper Pro 3945WX

33118

Intel Core i9 12900KF

VS

AMD Ryzen Threadripper Pro 3945WX

General Parameters

Oct 2021

Release Date

Jul 2020

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Zen 2

i9-12900KF

Processor Number

-

LGA-1700

Socket

sWRX8

No

Integrated Graphics

N/A

Package

10 nm

Manufacturing Process

7 nm

125 W

Power Consumption

280 W

241 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

90 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3.2 GHz

Performance Core Base Frequency

4.0 GHz

5.1 GHz

Performance Core Turbo Frequency

4.3 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

2.4 GHz

Efficiency Core Base Frequency

-

3.9 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

12

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

40x

64 K per core

L1 Cache

96 K per core

14 MB shared

L2 Cache

512 K per core

30 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-3200

128 GB

Max Memory Size

2048 GB

2

Max Memory Channels

8

76.8 GB/s

Max Memory Bandwidth

204.8 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

Intel Core i9 12900KF

Official Website

AMD Ryzen Threadripper Pro 3945WX

5.0

PCIe Version

4.0

20

PCIe Lanes

128

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