AMD Ryzen 9 4900HS vs AMD Ryzen 5 7640U

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We compared two laptop CPUs: AMD Ryzen 9 4900HS with 8 cores 3.0GHz and AMD Ryzen 5 7640U with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 7640U 's Advantages

Released 3 years and 2 months late

Higher specification of memory (LPDDR5x-7500 vs LPDDR4X-4266)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.5GHz vs 3.0GHz)

Larger L3 cache size (16MB vs 8MB)

Lower TDP (15W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 4900HS

1252

AMD Ryzen 5 7640U +31%

1648

Cinebench R23 Multi Core

AMD Ryzen 9 4900HS

10320

AMD Ryzen 5 7640U +7%

11059

Geekbench 6 Single Core

AMD Ryzen 9 4900HS

1407

AMD Ryzen 5 7640U +71%

2409

Geekbench 6 Multi Core

AMD Ryzen 9 4900HS

4967

AMD Ryzen 5 7640U +108%

10335

Blender

AMD Ryzen 9 4900HS

166

AMD Ryzen 5 7640U +6%

177

Geekbench 5 Single Core

AMD Ryzen 9 4900HS

1166

AMD Ryzen 5 7640U +59%

1859

Geekbench 5 Multi Core

AMD Ryzen 9 4900HS

7120

AMD Ryzen 5 7640U +23%

8800

Passmark CPU Single Core

AMD Ryzen 9 4900HS

2614

AMD Ryzen 5 7640U +37%

3601

Passmark CPU Multi Core

AMD Ryzen 9 4900HS

19134

AMD Ryzen 5 7640U +16%

22321

AMD Ryzen 9 4900HS

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AMD Ryzen 5 7640U

General Parameters

Mar 2020

Release Date

May 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Zen 4 (Phoenix)

FP6

Socket

FP8

Radeon Vega 8

Integrated Graphics

Radeon 760M

Package

-

Transistor Count

25 billions

7 nm

Manufacturing Process

4 nm

FP6

Socket

FP8

35 W

Power Consumption

15-30 W

105 °C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

12

3.0 GHz

Performance Core Base Frequency

3.5 GHz

4.3 GHz

Performance Core Turbo Frequency

4.9 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

35x

-

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-3200, LPDDR4X-4266

Memory Types

DDR5-5600, LPDDR5x-7500

32 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

68.27 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

1750 MHz

GPU Max Dynamic Frequency

2600 MHz

512

Shader Units

384

32

Texture Units

24

8

Raster Operation Units

16

-

Execution Units

6

15 W

Power Consumption

15 W

-

Graphics Performance

4.06 TFLOPS

Miscellaneous

AMD Ryzen 9 4900HS

Official Website

AMD Ryzen 5 7640U

3.0

PCIe Version

4.0

16

PCIe Lanes

20

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