AMD Ryzen 5 PRO 8645HS vs Intel Core i9 12900HX

VS

AMD Ryzen 5 PRO 8645HS

Intel Core i9 12900HX

We compared two laptop CPUs: AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz and Intel Core i9 12900HX with 16 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 PRO 8645HS 's Advantages

Released 1 years and 11 months late

Higher specification of memory (7500 vs 4800)

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

Higher base frequency (4.3GHz vs 2.3GHz)

More modern manufacturing process (4nm vs 10nm)

Lower TDP (54W vs 55W)

Intel Core i9 12900HX 's Advantages

Newer PCIe version (5.0 vs 4)

Larger L3 cache size (30MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8645HS

2478

Intel Core i9 12900HX +1%

2519

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8645HS

10306

Intel Core i9 12900HX +40%

14447

AMD Ryzen 5 PRO 8645HS

VS

Intel Core i9 12900HX

General Parameters

Apr 2024

Release Date

May 2022

AMD

Manufacturer

Intel

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Alder Lake

-

Processor Number

i9-12900HX

AMD Socket FP7

Socket

BGA-1964

Radeon 760M

Integrated Graphics

UHD Graphics (32EU)

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

10 nm

35-54 W

Power Consumption

45-55 W

-

Max Turbo Power Consumption

157 W

-

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

16

4.3 GHz

Performance Core Base Frequency

2.3 GHz

5 GHz

Performance Core Turbo Frequency

5 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1.7 GHz

-

Efficiency Core Turbo Frequency

3.6 GHz

6

Total Core Count

16

12

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

43.0

Multiplier

23x

64 KB per core

L1 Cache

80 K per core

6 MB

L2 Cache

1280 K per core

16 MB

L3 Cache

30 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600,LPDDR5x-7500

Memory Types

DDR5-4800, DDR4-3200

256 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

2600 MHz

GPU Max Dynamic Frequency

1550 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

Execution Units

32

-

Power Consumption

45 W

-

Graphics Performance

0.74 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

-

16 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 5 PRO 8645HS

Official Website

Intel Core i9 12900HX

4

PCIe Version

5.0

20

PCIe Lanes

20

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