AMD Ryzen 9 5900HX vs Intel Core i7 1255U

VS

AMD Ryzen 9 5900HX

Intel Core i7 1255U

We compared two laptop CPUs: AMD Ryzen 9 5900HX with 8 cores 3.3GHz and Intel Core i7 1255U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 5900HX 's Advantages

Higher base frequency (3.3GHz vs 1.7GHz)

Larger L3 cache size (16MB vs 12MB)

More modern manufacturing process (7nm vs 10nm)

Intel Core i7 1255U 's Advantages

Released 1 years and 1 months late

Higher specification of memory (5200 vs 4266)

Larger memory bandwidth (76.8GB/s vs 68.27GB/s)

Newer PCIe version (4.0 vs 3.0)

Lower TDP (15W vs 54W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 5900HX

1481

Intel Core i7 1255U +14%

1701

Cinebench R23 Multi Core

AMD Ryzen 9 5900HX +55%

12793

Intel Core i7 1255U

8233

Geekbench 6 Single Core

AMD Ryzen 9 5900HX

1993

Intel Core i7 1255U +12%

2248

Geekbench 6 Multi Core

AMD Ryzen 9 5900HX +29%

9310

Intel Core i7 1255U

7162

Blender

AMD Ryzen 9 5900HX +71%

214

Intel Core i7 1255U

125

Geekbench 5 Single Core

AMD Ryzen 9 5900HX

1511

Intel Core i7 1255U +7%

1628

Geekbench 5 Multi Core

AMD Ryzen 9 5900HX +12%

8303

Intel Core i7 1255U

7372

Passmark CPU Single Core

AMD Ryzen 9 5900HX

3183

Intel Core i7 1255U +3%

3308

Passmark CPU Multi Core

AMD Ryzen 9 5900HX +65%

22772

Intel Core i7 1255U

13792

AMD Ryzen 9 5900HX

VS

Intel Core i7 1255U

General Parameters

Jan 2021

Release Date

Feb 2022

AMD

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Cezanne

Core Architecture

Alder Lake

-

Processor Number

i7-1255U

FP6

Socket

BGA-1744

Radeon RX Vega 8

Integrated Graphics

Iris Xe Graphics (96EU)

Package

7 nm

Manufacturing Process

10 nm

35-54 W

Power Consumption

12-15 W

-

Max Turbo Power Consumption

55 W

105 °C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

2

16

Performance Core Threads

4

3.3 GHz

Performance Core Base Frequency

1.7 GHz

4.6 GHz

Performance Core Turbo Frequency

4.7 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1.2 GHz

-

Efficiency Core Turbo Frequency

3.5 GHz

8

Total Core Count

10

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

17x

64 K per core

L1 Cache

80 K per core

512 K per core

L2 Cache

1280 K per core

16 MB shared

L3 Cache

12 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-3200, LPDDR4-4266

Memory Types

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

68.27 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

2100 MHz

GPU Max Dynamic Frequency

1250 MHz

512

Shader Units

768

32

Texture Units

48

8

Raster Operation Units

24

-

Execution Units

96

15 W

Power Consumption

15 W

-

Graphics Performance

1.69 TFLOPS

Miscellaneous

AMD Ryzen 9 5900HX

Official Website

Intel Core i7 1255U

3.0

PCIe Version

4.0

16

PCIe Lanes

20

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