AMD Ryzen 9 6900HX vs AMD Ryzen 5 4600U

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We compared two laptop CPUs: AMD Ryzen 9 6900HX with 8 cores 3.3GHz and AMD Ryzen 5 4600U with 6 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 6900HX 's Advantages

Released 2 years late

Higher specification of memory (LPDDR5-6400 vs LPDDR4-4266)

Larger memory bandwidth (76.8GB/s vs 68.27GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.3GHz vs 2.1GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (6nm vs 7nm)

AMD Ryzen 5 4600U 's Advantages

Lower TDP (10W vs 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 6900HX +40%

1605

AMD Ryzen 5 4600U

1143

Cinebench R23 Multi Core

AMD Ryzen 9 6900HX +80%

14392

AMD Ryzen 5 4600U

7960

Geekbench 6 Single Core

AMD Ryzen 9 6900HX +54%

2097

AMD Ryzen 5 4600U

1359

Geekbench 6 Multi Core

AMD Ryzen 9 6900HX +114%

10086

AMD Ryzen 5 4600U

4708

Geekbench 5 Single Core

AMD Ryzen 9 6900HX +48%

1583

AMD Ryzen 5 4600U

1068

Geekbench 5 Multi Core

AMD Ryzen 9 6900HX +97%

10087

AMD Ryzen 5 4600U

5095

Passmark CPU Single Core

AMD Ryzen 9 6900HX +42%

3421

AMD Ryzen 5 4600U

2405

Passmark CPU Multi Core

AMD Ryzen 9 6900HX +82%

24494

AMD Ryzen 5 4600U

13395

AMD Ryzen 9 6900HX

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AMD Ryzen 5 4600U

General Parameters

Jan 2022

Release Date

Jan 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Rembrandt

Core Architecture

Zen 2

FP7

Socket

FP6

Radeon 680M

Integrated Graphics

Radeon Vega 6

Package

6 nm

Manufacturing Process

7 nm

FP7

Socket

FP6

45 W

Power Consumption

10-25 W

95 °C

Peak Operating Temperature

105 °C

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

12

3.3 GHz

Performance Core Base Frequency

2.1 GHz

4.9 GHz

Performance Core Turbo Frequency

4 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

21x

64 K per core

L1 Cache

32 K per core

512 K per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-4800, LPDDR5-6400

Memory Types

DDR4-3200, LPDDR4-4266

64 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

68.27 GB/s

-

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

2000 MHz

GPU Base Frequency

-

2400 MHz

GPU Max Dynamic Frequency

1500 MHz

768

Shader Units

384

48

Texture Units

24

32

Raster Operation Units

8

12

Execution Units

-

15 W

Power Consumption

15 W

3.686 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 9 6900HX

Official Website

AMD Ryzen 5 4600U

4.0

PCIe Version

3.0

16

PCIe Lanes

16

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