AMD Ryzen 7 7840U vs AMD Ryzen 5 7640HS

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We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz and AMD Ryzen 5 7640HS with 6 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840U 's Advantages

Better graphics card performance

Lower TDP (15W vs 35W)

AMD Ryzen 5 7640HS 's Advantages

Higher base frequency (4.3GHz vs 3.3GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840U +3%

1771

AMD Ryzen 5 7640HS

1719

Cinebench R23 Multi Core

AMD Ryzen 7 7840U

12992

AMD Ryzen 5 7640HS

13055

Geekbench 6 Single Core

AMD Ryzen 7 7840U +7%

2401

AMD Ryzen 5 7640HS

2225

Geekbench 6 Multi Core

AMD Ryzen 7 7840U +11%

10983

AMD Ryzen 5 7640HS

9880

Blender

AMD Ryzen 7 7840U +37%

234

AMD Ryzen 5 7640HS

170

Geekbench 5 Single Core

AMD Ryzen 7 7840U +3%

1907

AMD Ryzen 5 7640HS

1838

Geekbench 5 Multi Core

AMD Ryzen 7 7840U +2%

10387

AMD Ryzen 5 7640HS

10174

AMD Ryzen 7 7840U

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AMD Ryzen 5 7640HS

General Parameters

May 2023

Release Date

Jan 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 4 (Phoenix)

FP8

Socket

FP8

Radeon 780M

Integrated Graphics

Radeon 760M

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

FP8

Socket

FP8

15-30 W

Power Consumption

35-54 W

100°C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

12

3.3 GHz

Performance Core Base Frequency

4.3 GHz

5.1 GHz

Performance Core Turbo Frequency

5 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

43x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600, LPDDR5x-7500

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

1500 MHz

2700 MHz

GPU Max Dynamic Frequency

2600 MHz

768

Shader Units

384

48

Texture Units

24

32

Raster Operation Units

16

12

Execution Units

6

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

4.06 TFLOPS

Miscellaneous

AMD Ryzen 7 7840U

Official Website

AMD Ryzen 5 7640HS

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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