AMD Ryzen 5 7640HS vs AMD Ryzen 7 8840U

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We compared two laptop CPUs: AMD Ryzen 5 7640HS with 6 cores 4.3GHz and AMD Ryzen 7 8840U with 8 cores 3.3GHz . 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

Higher base frequency (4.3GHz vs 3.3GHz)

AMD Ryzen 7 8840U 's Advantages

Released 11 months late

Better graphics card performance

Lower TDP (15W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 7640HS

1719

AMD Ryzen 7 8840U +2%

1766

Cinebench R23 Multi Core

AMD Ryzen 5 7640HS

13055

AMD Ryzen 7 8840U

13000

Geekbench 6 Single Core

AMD Ryzen 5 7640HS

2225

AMD Ryzen 7 8840U +10%

2468

Geekbench 6 Multi Core

AMD Ryzen 5 7640HS

9880

AMD Ryzen 7 8840U +16%

11498

AMD Ryzen 5 7640HS

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AMD Ryzen 7 8840U

General Parameters

Jan 2023

Release Date

Dec 2023

Amd

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 4 (Hawk Point)

FP8

Socket

FP8

Radeon 760M

Integrated Graphics

Radeon 780M

-

Generation

Ryzen 7 (Zen 4 (Hawk Point))

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

FP8

Socket

FP8

35-54 W

Power Consumption

15-30 W

100°C

Peak Operating Temperature

100°C

-

Foundry

TSMC

-

Die Size

178 mm²

-

Package

FP8, FP7, FP7r2

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

16

4.3 GHz

Performance Core Base Frequency

3.3 GHz

5 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

43x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600, LPDDR5x-7500

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 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

2700 MHz

384

Shader Units

768

24

Texture Units

48

16

Raster Operation Units

32

6

Execution Units

12

15 W

Power Consumption

15 W

-

Max Resolution

7680x4320 - 60 Hz

4.06 TFLOPS

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 5 7640HS

Official Website

AMD Ryzen 7 8840U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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