Intel Core i9 12900KS vs AMD Ryzen 9 5900XT

VS

Intel Core i9 12900KS

AMD Ryzen 9 5900XT

We compared two desktop CPUs: Intel Core i9 12900KS with 16 cores 3.4GHz and AMD Ryzen 9 5900XT with 16 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900KS 's Advantages

Integrated graphics card

Higher specification of memory (4800 vs 3200)

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

Newer PCIe version (5.0 vs 4)

Higher base frequency (3.4GHz vs 3.3GHz)

AMD Ryzen 9 5900XT 's Advantages

Released 2 years and 3 months late

Larger L3 cache size (64MB vs 30MB)

More modern manufacturing process (7nm vs 10nm)

Lower TDP (105W vs 150W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 12900KS +9%

2559

AMD Ryzen 9 5900XT

2331

Geekbench 6 Multi Core

Intel Core i9 12900KS +14%

15546

AMD Ryzen 9 5900XT

13539

Blender

Intel Core i9 12900KS +4%

410

AMD Ryzen 9 5900XT

394

Intel Core i9 12900KS

VS

AMD Ryzen 9 5900XT

General Parameters

Apr 2022

Release Date

Jul 2024

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake-S

Core Architecture

Vermeer

i9-12900KS

Processor Number

-

LGA-1700

Socket

AMD Socket AM4

UHD Graphics 770

Integrated Graphics

N/A

-

Generation

Ryzen 9 (Zen 3 (Vermeer))

Package

-

Transistor Count

8.3 billions

10 nm

Manufacturing Process

7 nm

150 W

Power Consumption

105 W

100 °C

Peak Operating Temperature

90°C

-

Foundry

TSMC

-

Die Size

2x74 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

125 mm²

CPU Performance

8

Performance Cores

12

-

Performance Core Threads

24

3.4 GHz

Performance Core Base Frequency

3.3 GHz

5.5 GHz

Performance Core Turbo Frequency

4.8 GHz

8

Efficiency Cores

-

16

Total Core Count

16

24

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

34x

Multiplier

33.0

64 K per core

L1 Cache

64 KB per core

14 MB shared

L2 Cache

512 KB per core

30 MB shared

L3 Cache

64 MB

Yes

Unlocked Multiplier

Yes

-

SMP

1

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

-

1550 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 i9 12900KS

Official Website

AMD Ryzen 9 5900XT

5.0

PCIe Version

4

20

PCIe Lanes

20

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