AMD Ryzen 5 8645HS vs AMD Ryzen 7 PRO 8840U

VS

AMD Ryzen 5 8645HS

AMD Ryzen 7 PRO 8840U

We compared two laptop CPUs: AMD Ryzen 5 8645HS with 6 cores 4.3GHz and AMD Ryzen 7 PRO 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 8645HS 's Advantages

Integrated graphics card

Higher specification of memory (7500 vs 5600)

Higher base frequency (4.3GHz vs 3.3GHz)

AMD Ryzen 7 PRO 8840U 's Advantages

Newer PCIe version (4 vs 4.0)

Lower TDP (28W vs 54W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8645HS

1724

AMD Ryzen 7 PRO 8840U +4%

1807

Geekbench 6 Single Core

AMD Ryzen 5 8645HS +1%

2455

AMD Ryzen 7 PRO 8840U

2407

Geekbench 6 Multi Core

AMD Ryzen 5 8645HS +10%

10287

AMD Ryzen 7 PRO 8840U

9320

Blender

AMD Ryzen 5 8645HS +13%

187

AMD Ryzen 7 PRO 8840U

165

AMD Ryzen 5 8645HS

VS

AMD Ryzen 7 PRO 8840U

General Parameters

Dec 2023

Release Date

Apr 2024

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Zen 4 (Hawk Point)

Core Architecture

Hawk Point

FP8

Socket

AMD Socket FP7

Radeon 760M

Integrated Graphics

Radeon 780M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

Ryzen 7 (Zen 4 (Hawk Point))

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

35-54 W

Power Consumption

28 W

100°C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

178 mm²

Die Size

178 mm²

CPU Performance

6

Performance Cores

-

12

Performance Core Threads

-

4.3 GHz

Performance Core Base Frequency

3.3 GHz

5 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

43x

Multiplier

33.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600

256 GB

Max Memory Size

-

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

-

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

800 MHz

GPU Base Frequency

-

2600 MHz

GPU Max Dynamic Frequency

-

512

Shader Units

-

32

Texture Units

-

16

Raster Operation Units

-

8

Execution Units

-

15 W

Power Consumption

-

2.66 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 5 8645HS official page

Official Website

AMD Ryzen 7 PRO 8840U

4.0

PCIe Version

4

20

PCIe Lanes

20

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