AMD Ryzen 5 7640U vs AMD Ryzen 7 8840U

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We compared two laptop CPUs: AMD Ryzen 5 7640U with 6 cores 3.5GHz 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 7640U's Advantages

Higher base frequency (3.5GHz vs 3.3GHz)

AMD Ryzen 7 8840U's Advantages

Released 7 months late

Better graphics card performance

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 7640U

1759

AMD Ryzen 7 8840U

1760

Cinebench R23 Multi Core

AMD Ryzen 5 7640U

11126

AMD Ryzen 7 8840U +15%

12890

Geekbench 6 Single Core

AMD Ryzen 5 7640U

2409

AMD Ryzen 7 8840U +2%

2468

Geekbench 6 Multi Core

AMD Ryzen 5 7640U

10335

AMD Ryzen 7 8840U +11%

11498

AMD Ryzen 5 7640U

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AMD Ryzen 7 8840U

General Parameters

May 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

15-30 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

3.5 GHz

Performance Core Base Frequency

3.3 GHz

4.9 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

8

12

Total Thread Count

16

100MHz

Bus Frequency

100MHz

35x

Multiplier

33x

64K per core

L1 Cache

64K per core

1MB per core

L2 Cache

1MB per core

16MB shared

L3 Cache

16MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600, LPDDR5x-7500

256GB

Max Memory Size

256GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

89.6 GB/s

No

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 7640U

Official Website

AMD Ryzen 7 8840U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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