Intel Core Ultra 7 255HX vs AMD Ryzen 9 4900H

VS

Intel Core Ultra 7 255HX

AMD Ryzen 9 4900H

We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and AMD Ryzen 9 4900H 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 Ultra 7 255HX '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)

AMD Ryzen 9 4900H 's Advantages

Higher base frequency (3.3GHz vs 2.4GHz)

Lower TDP (54W vs 55W)

Score

Intel Core Ultra 7 255HX

VS

AMD Ryzen 9 4900H

General Parameters

Jan 2025

Release Date

Mar 2020

Intel

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Arrow Lake

Core Architecture

Zen 2

Intel Socket 1851

Socket

FP6

Arc Xe-LPG

Integrated Graphics

Radeon Vega 8

Ultra 7 (Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

7 nm

17-55 W

Power Consumption

35-54 W

100 °C

Peak Operating Temperature

105 °C

Intel

Foundry

-

CPU Performance

8

Performance Cores

8

Performance Core Threads

16

2.4 GHz

Performance Core Base Frequency

3.3 GHz

5.2 GHz

Performance Core Turbo Frequency

4.4 GHz

12

Efficiency Cores

-

12

Efficiency Core Threads

-

1.8 GHz

Efficiency Core Base Frequency

-

4.5 GHz

Efficiency Core Turbo Frequency

-

20

Total Core Count

8

20

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

24

Multiplier

33x

112 KB per core

L1 Cache

-

23 MB

L2 Cache

512 K per core

24 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-3200, LPDDR4X-4266

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

4

102.4 GB/s

Max Memory Bandwidth

68.27 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1900 MHz

GPU Max Dynamic Frequency

1750 MHz

-

Shader Units

512

-

Texture Units

32

-

Raster Operation Units

8

64

Execution Units

-

Power Consumption

15 W

Miscellaneous

Official Website

AMD Ryzen 9 4900H

5

PCIe Version

3.0

PCIe Lanes

16

Related CPU Comparisons

1

Intel Core Ultra 7 255HX vs AMD Ryzen 7 PRO 7840U

2

Intel Core Ultra 7 255HX vs Intel Core i9 13950HX

3

Intel Core Ultra 7 255HX vs Intel Pentium N3700

4

Intel Core Ultra 7 255HX vs AMD Ryzen 7 4800H

5

Intel Core Ultra 7 255HX vs AMD Ryzen 7 3700U

6

Intel Core Ultra 7 255HX vs AMD Ryzen 7 PRO 8840HS

7

Intel Core Ultra 7 255HX vs Intel Core i9 13900HK

8

Intel Core Ultra 7 255HX vs AMD Ryzen 7 6800H

9

Intel Core Ultra 7 255HX vs Intel Core i5 8265U

10

Intel Core Ultra 7 255HX vs Apple M4 Max 14 Cores

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage