AMD Ryzen 9 4900H vs Intel Core Ultra 9 285HX

VS

AMD Ryzen 9 4900H

Intel Core Ultra 9 285HX

We compared two laptop CPUs: AMD Ryzen 9 4900H with 8 cores 3.3GHz 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 9 4900H 's Advantages

Higher base frequency (3.3GHz vs 2.8GHz)

Lower TDP (54W vs 55W)

Intel Core Ultra 9 285HX 's Advantages

Released 4 years and 10 months late

Higher specification of memory (6400 vs 4266)

Larger memory bandwidth (102.4GB/s vs 68.27GB/s)

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (24MB vs 8MB)

More modern manufacturing process (3nm vs 7nm)

Score

AMD Ryzen 9 4900H

VS

Intel Core Ultra 9 285HX

General Parameters

Mar 2020

Release Date

Jan 2025

AMD

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

-

Zen 2

Core Architecture

Arrow Lake

FP6

Socket

Intel Socket 1851

Radeon Vega 8

Integrated Graphics

Arc Xe-LPG

-

Generation

Ultra 9 (Arrow Lake)

Package

7 nm

Manufacturing Process

3 nm

35-54 W

Power Consumption

17-55 W

105 °C

Peak Operating Temperature

100 °C

-

Foundry

Intel

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

8

3.3 GHz

Performance Core Base Frequency

2.8 GHz

4.4 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

8

Total Core Count

24

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

28

-

L1 Cache

112 KB per core

512 K per core

L2 Cache

23 MB

8 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-3200, LPDDR4X-4266

Memory Types

DDR5-6400

64 GB

Max Memory Size

256 GB

4

Max Memory Channels

2

68.27 GB/s

Max Memory Bandwidth

102.4 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1750 MHz

GPU Max Dynamic Frequency

2000 MHz

512

Shader Units

-

32

Texture Units

-

8

Raster Operation Units

-

Execution Units

64

15 W

Power Consumption

-

Miscellaneous

AMD Ryzen 9 4900H

Official Website

3.0

PCIe Version

5

16

PCIe Lanes

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