AMD Ryzen 7 7840H vs AMD Ryzen 5 6600U

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We compared two laptop CPUs: AMD Ryzen 7 7840H with 8 cores 3.8GHz and AMD Ryzen 5 6600U with 6 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840H 's Advantages

Released 1 years late

Better graphics card performance

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

Higher base frequency (3.8GHz vs 2.9GHz)

More modern manufacturing process (4nm vs 6nm)

AMD Ryzen 5 6600U 's Advantages

Higher specification of memory (LPDDR5-6400 vs DDR5-5600)

Newer PCIe version (4.0 vs 4)

Lower TDP (15W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840H +23%

1800

AMD Ryzen 5 6600U

1453

Cinebench R23 Multi Core

AMD Ryzen 7 7840H +100%

17887

AMD Ryzen 5 6600U

8923

Geekbench 6 Single Core

AMD Ryzen 7 7840H +49%

2625

AMD Ryzen 5 6600U

1755

Geekbench 6 Multi Core

AMD Ryzen 7 7840H +71%

11813

AMD Ryzen 5 6600U

6878

Geekbench 5 Single Core

AMD Ryzen 7 7840H +29%

1909

AMD Ryzen 5 6600U

1473

Geekbench 5 Multi Core

AMD Ryzen 7 7840H +53%

11494

AMD Ryzen 5 6600U

7486

Passmark CPU Single Core

AMD Ryzen 7 7840H +23%

3947

AMD Ryzen 5 6600U

3190

Passmark CPU Multi Core

AMD Ryzen 7 7840H +58%

28248

AMD Ryzen 5 6600U

17827

AMD Ryzen 7 7840H

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AMD Ryzen 5 6600U

General Parameters

Jan 2023

Release Date

Jan 2022

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Phoenix

Core Architecture

Rembrandt

AMD Socket FP8

Socket

FP7

Radeon 780M

Integrated Graphics

Radeon 660M

Ryzen 7 (Zen 4 (Phoenix))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

6 nm

AMD Socket FP8

Socket

FP7

35 W

Power Consumption

15-28 W

100 °C

Peak Operating Temperature

95 °C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

-

Performance Cores

6

-

Performance Core Threads

12

3.8 GHz

Performance Core Base Frequency

2.9 GHz

5.1 GHz

Performance Core Turbo Frequency

4.5 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

38.0

Multiplier

29x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR5-4800, LPDDR5-6400

256 GB

Max Memory Size

-

2

Max Memory Channels

4

89.6 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

-

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

2700 MHz

GPU Max Dynamic Frequency

1900 MHz

-

Shader Units

384

-

Texture Units

24

-

Raster Operation Units

16

12

Execution Units

6

-

Power Consumption

15 W

10 TFLOPS

Graphics Performance

1.46 TFLOPS

Miscellaneous

AMD Ryzen 7 7840H

Official Website

AMD Ryzen 5 6600U

4

PCIe Version

4.0

20

PCIe Lanes

-

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