AMD Ryzen 9 5900H vs Intel Core i7 1255U

VS

AMD Ryzen 9 5900H

Intel Core i7 1255U

We compared two laptop CPUs: AMD Ryzen 9 5900H 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 5900H '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 10 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 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 5900H

1466

Intel Core i7 1255U +16%

1701

Cinebench R23 Multi Core

AMD Ryzen 9 5900H +55%

12815

Intel Core i7 1255U

8233

Geekbench 6 Single Core

AMD Ryzen 9 5900H

2034

Intel Core i7 1255U +10%

2248

Geekbench 6 Multi Core

AMD Ryzen 9 5900H +2%

7376

Intel Core i7 1255U

7162

Geekbench 5 Single Core

AMD Ryzen 9 5900H

1528

Intel Core i7 1255U +6%

1628

Geekbench 5 Multi Core

AMD Ryzen 9 5900H +19%

8790

Intel Core i7 1255U

7372

Passmark CPU Single Core

AMD Ryzen 9 5900H

3308

Intel Core i7 1255U

3308

Passmark CPU Multi Core

AMD Ryzen 9 5900H +50%

20753

Intel Core i7 1255U

13792

AMD Ryzen 9 5900H

VS

Intel Core i7 1255U

General Parameters

Apr 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

45 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

No

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

1750 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

-

Official Website

Intel Core i7 1255U

3.0

PCIe Version

4.0

16

PCIe Lanes

20

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