Intel Core i9 12900HX vs AMD Ryzen 9 5900H

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We compared two laptop CPUs: Intel Core i9 12900HX with 16 cores 2.3GHz and AMD Ryzen 9 5900H with 8 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 12900HX 's Advantages

Released 1 years and 1 months late

Larger memory bandwidth (76.8GB/s vs 68.27GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (30MB vs 16MB)

Lower TDP (45W vs 45W)

AMD Ryzen 9 5900H 's Advantages

Higher specification of memory (LPDDR4-4266 vs DDR5-4800)

Higher base frequency (3.3GHz vs 2.3GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900HX +31%

1921

AMD Ryzen 9 5900H

1466

Cinebench R23 Multi Core

Intel Core i9 12900HX +81%

23222

AMD Ryzen 9 5900H

12815

Geekbench 6 Single Core

Intel Core i9 12900HX +23%

2519

AMD Ryzen 9 5900H

2034

Geekbench 6 Multi Core

Intel Core i9 12900HX +95%

14447

AMD Ryzen 9 5900H

7376

Geekbench 5 Single Core

Intel Core i9 12900HX +24%

1896

AMD Ryzen 9 5900H

1528

Geekbench 5 Multi Core

Intel Core i9 12900HX +83%

16154

AMD Ryzen 9 5900H

8790

Passmark CPU Single Core

Intel Core i9 12900HX +17%

3874

AMD Ryzen 9 5900H

3308

Passmark CPU Multi Core

Intel Core i9 12900HX +66%

34632

AMD Ryzen 9 5900H

20753

Intel Core i9 12900HX

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AMD Ryzen 9 5900H

General Parameters

May 2022

Release Date

Apr 2021

Intel

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Cezanne

i9-12900HX

Processor Number

-

BGA-1964

Socket

FP6

UHD Graphics (32EU)

Integrated Graphics

Radeon RX Vega 8

Package

10 nm

Manufacturing Process

7 nm

BGA-1964

Socket

FP6

45-55 W

Power Consumption

45 W

157 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

105 °C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

2.3 GHz

Performance Core Base Frequency

3.3 GHz

5 GHz

Performance Core Turbo Frequency

4.6 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1.7 GHz

Efficiency Core Base Frequency

-

3.6 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

23x

Multiplier

33x

80 K per core

L1 Cache

64 K per core

1280 K per core

L2 Cache

512 K per core

30 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-3200, LPDDR4-4266

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

68.27 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

-

1550 MHz

GPU Max Dynamic Frequency

1750 MHz

256

Shader Units

512

16

Texture Units

32

8

Raster Operation Units

8

32

Execution Units

-

45 W

Power Consumption

15 W

0.74 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 12900HX

Official Website

-

5.0

PCIe Version

3.0

20

PCIe Lanes

16

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