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

VS

AMD Ryzen 7 8840U

AMD Ryzen 5 PRO 8645HS

We compared two laptop CPUs: AMD Ryzen 7 8840U with 8 cores 3.3GHz and AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 8840U 's Advantages

Lower TDP (30W vs 54W)

AMD Ryzen 5 PRO 8645HS 's Advantages

Higher specification of memory (7500 vs 7500)

Newer PCIe version (4 vs 4.0)

Higher base frequency (4.3GHz vs 3.3GHz)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 7 8840U

2468

AMD Ryzen 5 PRO 8645HS

2478

Geekbench 6 Multi Core

AMD Ryzen 7 8840U +11%

11498

AMD Ryzen 5 PRO 8645HS

10306

AMD Ryzen 7 8840U

VS

AMD Ryzen 5 PRO 8645HS

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 780M

Integrated Graphics

Radeon 760M

Ryzen 7 (Zen 4 (Hawk Point))

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

15-30 W

Power Consumption

35-54 W

100°C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

178 mm²

Die Size

178 mm²

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

12

3.3 GHz

Performance Core Base Frequency

4.3 GHz

5.1 GHz

Performance Core Turbo Frequency

5 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

43.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

6 MB

16 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600,LPDDR5x-7500

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2700 MHz

GPU Max Dynamic Frequency

2600 MHz

768

Shader Units

-

48

Texture Units

-

32

Raster Operation Units

-

12

Execution Units

8

15 W

Power Consumption

-

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

-

AI Accelerator

-

NPU

AMD Ryzen™ AI

-

Theoretical performance

16 TOPS

Miscellaneous

AMD Ryzen 7 8840U

Official Website

AMD Ryzen 5 PRO 8645HS

4.0

PCIe Version

4

20

PCIe Lanes

20

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