AMD Ryzen 9 6900HS vs Intel Core i7 1255U

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We compared two laptop CPUs: AMD Ryzen 9 6900HS 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 6900HS 's Advantages

Better graphics card performance

Higher specification of memory (LPDDR5-6400 vs LPDDR5-5200)

Higher base frequency (3.3GHz vs 1.7GHz)

Larger L3 cache size (16MB vs 12MB)

Intel Core i7 1255U 's Advantages

Lower TDP (12W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 6900HS

1586

Intel Core i7 1255U +5%

1669

Cinebench R23 Multi Core

AMD Ryzen 9 6900HS +57%

13121

Intel Core i7 1255U

8335

Geekbench 6 Single Core

AMD Ryzen 9 6900HS

1985

Intel Core i7 1255U +13%

2248

Geekbench 6 Multi Core

AMD Ryzen 9 6900HS +28%

9206

Intel Core i7 1255U

7162

Blender

AMD Ryzen 9 6900HS +166%

205

Intel Core i7 1255U

77

Geekbench 5 Single Core

AMD Ryzen 9 6900HS

1526

Intel Core i7 1255U +6%

1628

Geekbench 5 Multi Core

AMD Ryzen 9 6900HS +24%

9154

Intel Core i7 1255U

7372

Passmark CPU Single Core

AMD Ryzen 9 6900HS

3323

Intel Core i7 1255U

3308

Passmark CPU Multi Core

AMD Ryzen 9 6900HS +73%

23895

Intel Core i7 1255U

13792

AMD Ryzen 9 6900HS

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Intel Core i7 1255U

General Parameters

Jan 2022

Release Date

Feb 2022

AMD

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Rembrandt

Core Architecture

Alder Lake

-

Processor Number

i7-1255U

FP7

Socket

BGA-1744

Radeon 680M

Integrated Graphics

Iris Xe Graphics (96EU)

Package

6 nm

Manufacturing Process

10 nm

FP7

Socket

BGA-1744

35 W

Power Consumption

12-15 W

-

Max Turbo Power Consumption

55 W

95 °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

4.9 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

DDR5-5200, LPDDR5-6400

Memory Types

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

-

Max Memory Size

64 GB

4

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

76.8 GB/s

-

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

2000 MHz

GPU Base Frequency

300 MHz

2400 MHz

GPU Max Dynamic Frequency

1250 MHz

768

Shader Units

768

48

Texture Units

48

32

Raster Operation Units

24

12

Execution Units

96

15 W

Power Consumption

15 W

3.686 TFLOPS

Graphics Performance

1.69 TFLOPS

Miscellaneous

AMD Ryzen 9 6900HS

Official Website

Intel Core i7 1255U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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