AMD Ryzen 5 8645HS vs Intel Core Ultra 9 285HX

VS

AMD Ryzen 5 8645HS

Intel Core Ultra 9 285HX

We compared two laptop CPUs: AMD Ryzen 5 8645HS with 6 cores 4.3GHz and Intel Core Ultra 9 285HX with 24 cores 2.8GHz . 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

Higher specification of memory (7500 vs 6400)

Higher base frequency (4.3GHz vs 2.8GHz)

Lower TDP (54W vs 55W)

Intel Core Ultra 9 285HX 's Advantages

Released 1 years and 1 months late

Larger memory bandwidth (102.4GB/s vs 89.6GB/s)

Newer PCIe version (5 vs 4.0)

Larger L3 cache size (24MB vs 16MB)

More modern manufacturing process (3nm vs 4nm)

Score

AMD Ryzen 5 8645HS

VS

Intel Core Ultra 9 285HX

General Parameters

Dec 2023

Release Date

Jan 2025

AMD

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

-

Zen 4 (Hawk Point)

Core Architecture

Arrow Lake

FP8

Socket

Intel Socket 1851

Radeon 760M

Integrated Graphics

Arc Xe-LPG

Ryzen 5 (Zen 4 (Hawk Point))

Generation

Ultra 9 (Arrow Lake)

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

3 nm

35-54 W

Power Consumption

17-55 W

100°C

Peak Operating Temperature

100 °C

TSMC

Foundry

Intel

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

8

4.3 GHz

Performance Core Base Frequency

2.8 GHz

5 GHz

Performance Core Turbo Frequency

5.5 GHz

-

Efficiency Cores

16

-

Efficiency Core Threads

16

-

Efficiency Core Base Frequency

2.1 GHz

-

Efficiency Core Turbo Frequency

4.6 GHz

6

Total Core Count

24

12

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

43x

Multiplier

28

64 K per core

L1 Cache

112 KB per core

1 MB per core

L2 Cache

23 MB

16 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-6400

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

102.4 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

800 MHz

GPU Base Frequency

-

2600 MHz

GPU Max Dynamic Frequency

2000 MHz

512

Shader Units

-

32

Texture Units

-

16

Raster Operation Units

-

8

Execution Units

64

15 W

Power Consumption

-

2.66 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 5 8645HS official page

Official Website

4.0

PCIe Version

5

20

PCIe Lanes

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