AMD Ryzen 9 7945HX3D vs AMD Ryzen 5 4600U

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We compared two laptop CPUs: AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz 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 7945HX3D's Advantages

Released 3 years and 6 months late

Larger memory bandwidth (83.2GB/s vs 68.27GB/s)

Newer PCIe version (5 vs 3.0)

Higher base frequency (2.3GHz vs 2.1GHz)

Larger L3 cache size (128MB vs 8MB)

More modern manufacturing process (5nm vs 7nm)

AMD Ryzen 5 4600U's Advantages

Higher specification of memory (LPDDR4-4266 vs DDR5-5200)

Lower TDP (10W vs 55W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7945HX3D +68%

1934

AMD Ryzen 5 4600U

1151

Cinebench R23 Multi Core

AMD Ryzen 9 7945HX3D +317%

33377

AMD Ryzen 5 4600U

8004

Geekbench 6 Single Core

AMD Ryzen 9 7945HX3D +104%

2783

AMD Ryzen 5 4600U

1359

Geekbench 6 Multi Core

AMD Ryzen 9 7945HX3D +241%

16080

AMD Ryzen 5 4600U

4708

Geekbench 5 Single Core

AMD Ryzen 9 7945HX3D +100%

2138

AMD Ryzen 5 4600U

1068

Geekbench 5 Multi Core

AMD Ryzen 9 7945HX3D +275%

19153

AMD Ryzen 5 4600U

5095

AMD Ryzen 9 7945HX3D

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AMD Ryzen 5 4600U

General Parameters

Jul 2023

Release Date

Jan 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Dragon Range

Core Architecture

Zen 2

AMD Socket FL1

Socket

FP6

Radeon 610M

Integrated Graphics

Radeon Vega 6

Ryzen 9 (Zen 4 (Dragon Range))

Generation

-

Package

17.84 billions

Transistor Count

-

5 nm

Manufacturing Process

7 nm

AMD Socket FL1

Socket

FP6

55 W

Power Consumption

10-25 W

89 °C

Peak Operating Temperature

105 °C

TSMC

Foundry

-

2x71 mm²

Die Size

-

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

µFC-BGAFL1

Package

-

CPU Performance

-

Performance Cores

6

-

Performance Core Threads

12

2.3 GHz

Performance Core Base Frequency

2.1 GHz

5.4 GHz

Performance Core Turbo Frequency

4 GHz

16

Total Core Count

6

32

Total Thread Count

12

100MHz

Bus Frequency

100MHz

23.0

Multiplier

21x

64 KB per core

L1 Cache

32K per core

1 MB per core

L2 Cache

512K per core

128 MB shared

L3 Cache

8MB shared

Yes

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200, LPDDR4-4266

64GB

Max Memory Size

32GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

68.27 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

True

Integrated Graphics

True

2200 MHz

GPU Max Dynamic Frequency

1500 MHz

-

Shader Units

384

-

Texture Units

24

-

Raster Operation Units

8

2

Execution Units

-

Power Consumption

15 W

0.49 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 9 7945HX3D

Official Website

AMD Ryzen 5 4600U

5

PCIe Version

3.0

28

PCIe Lanes

16

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