AMD Ryzen 5 7640HS vs Intel Core i7 1255U

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We compared two laptop CPUs: AMD Ryzen 5 7640HS with 6 cores 4.3GHz 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 5 7640HS 's Advantages

Released 11 months late

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs LPDDR5-5200)

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

Higher base frequency (4.3GHz 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 5 7640HS +2%

1719

Intel Core i7 1255U

1669

Cinebench R23 Multi Core

AMD Ryzen 5 7640HS +56%

13055

Intel Core i7 1255U

8335

Geekbench 6 Single Core

AMD Ryzen 5 7640HS

2225

Intel Core i7 1255U +1%

2248

Geekbench 6 Multi Core

AMD Ryzen 5 7640HS +37%

9880

Intel Core i7 1255U

7162

Blender

AMD Ryzen 5 7640HS +120%

170

Intel Core i7 1255U

77

Geekbench 5 Single Core

AMD Ryzen 5 7640HS +12%

1838

Intel Core i7 1255U

1628

Geekbench 5 Multi Core

AMD Ryzen 5 7640HS +38%

10174

Intel Core i7 1255U

7372

Passmark CPU Single Core

AMD Ryzen 5 7640HS +12%

3712

Intel Core i7 1255U

3308

Passmark CPU Multi Core

AMD Ryzen 5 7640HS +69%

23358

Intel Core i7 1255U

13792

AMD Ryzen 5 7640HS

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Intel Core i7 1255U

General Parameters

Jan 2023

Release Date

Feb 2022

Amd

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Alder Lake

-

Processor Number

i7-1255U

FP8

Socket

BGA-1744

Radeon 760M

Integrated Graphics

Iris Xe Graphics (96EU)

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

10 nm

FP8

Socket

BGA-1744

35-54 W

Power Consumption

12-15 W

-

Max Turbo Power Consumption

55 W

100°C

Peak Operating Temperature

100°C

CPU Performance

6

Performance Cores

2

12

Performance Core Threads

4

4.3 GHz

Performance Core Base Frequency

1.7 GHz

5 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

6

Total Core Count

10

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

43x

Multiplier

17x

64 K per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

1280 K per core

16 MB

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

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

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

300 MHz

2600 MHz

GPU Max Dynamic Frequency

1250 MHz

384

Shader Units

768

24

Texture Units

48

16

Raster Operation Units

24

6

Execution Units

96

15 W

Power Consumption

15 W

4.06 TFLOPS

Graphics Performance

1.69 TFLOPS

Miscellaneous

AMD Ryzen 5 7640HS

Official Website

Intel Core i7 1255U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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