Intel Core i7 1255U vs AMD Ryzen 9 6900HX

VS

Intel Core i7 1255U

AMD Ryzen 9 6900HX

We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and AMD Ryzen 9 6900HX 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 i7 1255U 's Advantages

Lower TDP (15W vs 45W)

AMD Ryzen 9 6900HX 's Advantages

Better graphics card performance

Higher specification of memory (6400 vs 5200)

Higher base frequency (3.3GHz vs 1.7GHz)

Larger L3 cache size (16MB vs 12MB)

More modern manufacturing process (6nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 1255U +5%

1701

AMD Ryzen 9 6900HX

1610

Cinebench R23 Multi Core

Intel Core i7 1255U

8233

AMD Ryzen 9 6900HX +71%

14096

Geekbench 6 Single Core

Intel Core i7 1255U +7%

2248

AMD Ryzen 9 6900HX

2097

Geekbench 6 Multi Core

Intel Core i7 1255U

7162

AMD Ryzen 9 6900HX +40%

10086

Blender

Intel Core i7 1255U

125

AMD Ryzen 9 6900HX +64%

205

Geekbench 5 Single Core

Intel Core i7 1255U +2%

1628

AMD Ryzen 9 6900HX

1583

Geekbench 5 Multi Core

Intel Core i7 1255U

7372

AMD Ryzen 9 6900HX +36%

10087

Passmark CPU Single Core

Intel Core i7 1255U

3308

AMD Ryzen 9 6900HX +3%

3421

Passmark CPU Multi Core

Intel Core i7 1255U

13792

AMD Ryzen 9 6900HX +77%

24494

Intel Core i7 1255U

VS

AMD Ryzen 9 6900HX

General Parameters

Feb 2022

Release Date

Jan 2022

Intel

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Rembrandt

i7-1255U

Processor Number

-

BGA-1744

Socket

FP7

Iris Xe Graphics (96EU)

Integrated Graphics

Radeon 680M

Package

10 nm

Manufacturing Process

6 nm

12-15 W

Power Consumption

45 W

55 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

95 °C

CPU Performance

2

Performance Cores

8

4

Performance Core Threads

16

1.7 GHz

Performance Core Base Frequency

3.3 GHz

4.7 GHz

Performance Core Turbo Frequency

4.9 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1.2 GHz

Efficiency Core Base Frequency

-

3.5 GHz

Efficiency Core Turbo Frequency

-

10

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

17x

Multiplier

33x

80 K per core

L1 Cache

64 K per core

1280 K per core

L2 Cache

512 K per core

12 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

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

Memory Types

DDR5-4800, LPDDR5-6400

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

-

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

2000 MHz

1250 MHz

GPU Max Dynamic Frequency

2400 MHz

768

Shader Units

768

48

Texture Units

48

24

Raster Operation Units

32

96

Execution Units

12

15 W

Power Consumption

15 W

1.69 TFLOPS

Graphics Performance

3.686 TFLOPS

Miscellaneous

Intel Core i7 1255U

Official Website

AMD Ryzen 9 6900HX

4.0

PCIe Version

4.0

20

PCIe Lanes

16

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