AMD Ryzen 5 8645HS vs Intel Core i9 12900HX

VS

AMD Ryzen 5 8645HS Intel Core i9 12900HX

We compared two laptop CPUs: AMD Ryzen 5 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 8645HS's Advantages

Released 1 years and 7 months late

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs DDR5-4800)

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

Higher base frequency (4.3GHz vs 2.3GHz)

Lower TDP (35W vs 45W)

Intel Core i9 12900HX's Advantages

Newer PCIe version (5.0 vs 4.0)

Larger L3 cache size (30MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8645HS

1731

Intel Core i9 12900HX +10%

1914

Cinebench R23 Multi Core

AMD Ryzen 5 8645HS

13002

Intel Core i9 12900HX +78%

23178

Geekbench 6 Single Core

AMD Ryzen 5 8645HS

2229

Intel Core i9 12900HX +13%

2519

Geekbench 6 Multi Core

AMD Ryzen 5 8645HS

9891

Intel Core i9 12900HX +46%

14447

AMD Ryzen 5 8645HS

VS

Intel Core i9 12900HX

General Parameters

Dec 2023

Release Date

May 2022

Amd

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Hawk Point

Core Architecture

Alder Lake

-

Processor Number

i9-12900HX

FP8

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

FP8

Socket

BGA-1964

35-54 W

Power Consumption

45-55 W

-

Max Turbo Power Consumption

157W

100°C

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

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

100MHz

Bus Frequency

100MHz

43x

Multiplier

23x

64K per core

L1 Cache

80K per core

1MB per core

L2 Cache

1280K per core

16MB shared

L3 Cache

30MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-4800, DDR4-3200

256GB

Max Memory Size

128GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

1500 MHz

GPU Base Frequency

300 MHz

2600 MHz

GPU Max Dynamic Frequency

1550 MHz

384

Shader Units

256

24

Texture Units

16

Raster Operation Units

8

6

Execution Units

32

15 W

Power Consumption

45 W

4.06 TFLOPS

Graphics Performance

0.74 TFLOPS

Miscellaneous

AMD Ryzen 5 8645HS

Official Website

Intel Core i9 12900HX

4.0

PCIe Version

5.0

20

PCIe Lanes

20

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