AMD Ryzen 5 7640HS vs AMD Ryzen 9 7945HX

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We compared two laptop CPUs: AMD Ryzen 5 7640HS with 6 cores 4.3GHz and AMD Ryzen 9 7945HX with 16 cores 2.5GHz . 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

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs DDR5-5200)

Larger memory bandwidth (89.6GB/s vs 83.2GB/s)

Higher base frequency (4.3GHz vs 2.5GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (35W vs 55W)

AMD Ryzen 9 7945HX 's Advantages

Newer PCIe version (5.0 vs 4.0)

Larger L3 cache size (64MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 7640HS

1719

AMD Ryzen 9 7945HX +14%

1963

Cinebench R23 Multi Core

AMD Ryzen 5 7640HS

13055

AMD Ryzen 9 7945HX +164%

34581

Geekbench 6 Single Core

AMD Ryzen 5 7640HS

2225

AMD Ryzen 9 7945HX +30%

2906

Geekbench 6 Multi Core

AMD Ryzen 5 7640HS

9880

AMD Ryzen 9 7945HX +96%

19413

Cinebench 2024 Single Core

AMD Ryzen 5 7640HS

103

AMD Ryzen 9 7945HX +8%

112

Blender

AMD Ryzen 5 7640HS

170

AMD Ryzen 9 7945HX +197%

505

Geekbench 5 Single Core

AMD Ryzen 5 7640HS

1838

AMD Ryzen 9 7945HX +13%

2095

Geekbench 5 Multi Core

AMD Ryzen 5 7640HS

10174

AMD Ryzen 9 7945HX +91%

19488

Passmark CPU Single Core

AMD Ryzen 5 7640HS

3712

AMD Ryzen 9 7945HX +9%

4076

Passmark CPU Multi Core

AMD Ryzen 5 7640HS

23358

AMD Ryzen 9 7945HX +136%

55213

AMD Ryzen 5 7640HS

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AMD Ryzen 9 7945HX

General Parameters

Jan 2023

Release Date

Jan 2023

Amd

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 4 (Dragon Range)

FP8

Socket

FL1

Radeon 760M

Integrated Graphics

Radeon 610M

Package

25 billions

Transistor Count

13.1 billions

4 nm

Manufacturing Process

5 nm

FP8

Socket

FL1

35-54 W

Power Consumption

55-75 W

100°C

Peak Operating Temperature

100°C

CPU Performance

6

Performance Cores

16

12

Performance Core Threads

32

4.3 GHz

Performance Core Base Frequency

2.5 GHz

5 GHz

Performance Core Turbo Frequency

5.4 GHz

6

Total Core Count

16

12

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

43x

Multiplier

25x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5200

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

1500 MHz

2600 MHz

GPU Max Dynamic Frequency

2200 MHz

384

Shader Units

128

24

Texture Units

8

16

Raster Operation Units

4

6

Execution Units

2

15 W

Power Consumption

15 W

4.06 TFLOPS

Graphics Performance

0.49 TFLOPS

Miscellaneous

AMD Ryzen 5 7640HS

Official Website

AMD Ryzen 9 7945HX

4.0

PCIe Version

5.0

20

PCIe Lanes

28

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