AMD Ryzen 5 8645HS vs AMD Ryzen 5 4500U

VS

AMD Ryzen 5 8645HS

AMD Ryzen 5 4500U

We compared two laptop CPUs: AMD Ryzen 5 8645HS with 6 cores 4.3GHz and AMD Ryzen 5 4500U with 6 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8645HS 's Advantages

Released 3 years and 11 months late

Higher specification of memory (7500 vs 4266)

Larger memory bandwidth (89.6GB/s vs 68.27GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (4.3GHz vs 2.3GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (4nm vs 7nm)

AMD Ryzen 5 4500U 's Advantages

Lower TDP (25W vs 54W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8645HS +51%

1724

AMD Ryzen 5 4500U

1141

Cinebench R23 Multi Core

AMD Ryzen 5 8645HS +122%

13058

AMD Ryzen 5 4500U

5872

Geekbench 6 Single Core

AMD Ryzen 5 8645HS +159%

2455

AMD Ryzen 5 4500U

947

Geekbench 6 Multi Core

AMD Ryzen 5 8645HS +200%

10287

AMD Ryzen 5 4500U

3421

Blender

AMD Ryzen 5 8645HS +175%

187

AMD Ryzen 5 4500U

68

Passmark CPU Single Core

AMD Ryzen 5 8645HS +55%

3795

AMD Ryzen 5 4500U

2447

Passmark CPU Multi Core

AMD Ryzen 5 8645HS +109%

23060

AMD Ryzen 5 4500U

11016

AMD Ryzen 5 8645HS

VS

AMD Ryzen 5 4500U

General Parameters

Dec 2023

Release Date

Jan 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Hawk Point)

Core Architecture

Zen 2

FP8

Socket

FP6

Radeon 760M

Integrated Graphics

Radeon RX Vega 6

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

7 nm

35-54 W

Power Consumption

10-25 W

100°C

Peak Operating Temperature

105 °C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

6

12

Performance Core Threads

6

4.3 GHz

Performance Core Base Frequency

2.3 GHz

5 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

6

12

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

43x

Multiplier

23x

64 K per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-3200, LPDDR4-4266

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

68.27 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

800 MHz

GPU Base Frequency

-

2600 MHz

GPU Max Dynamic Frequency

1500 MHz

512

Shader Units

384

32

Texture Units

24

16

Raster Operation Units

8

Execution Units

-

15 W

Power Consumption

15 W

2.66 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 5 8645HS official page

Official Website

AMD Ryzen 5 4500U

4.0

PCIe Version

3.0

20

PCIe Lanes

16

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