AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 7 7840H

VS

AMD Ryzen 5 PRO 8645HS AMD Ryzen 7 7840H

We compared two laptop CPUs: AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz and AMD Ryzen 7 7840H with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 PRO 8645HS 's Advantages

Released 1 years and 3 months late

Higher base frequency (4.3GHz vs 3.8GHz)

AMD Ryzen 7 7840H 's Advantages

Integrated graphics card

Lower TDP (35W vs 45W)

Score

AMD Ryzen 5 PRO 8645HS

VS

AMD Ryzen 7 7840H

General Parameters

Apr 2024

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

Hawk Point

Core Architecture

Phoenix

AMD Socket FP7

Socket

AMD Socket FP8

Radeon 760M

Integrated Graphics

Radeon 780M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

Ryzen 7 (Zen 4 (Phoenix))

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

AMD Socket FP7

Socket

AMD Socket FP8

45 W

Power Consumption

35 W

-

Peak Operating Temperature

100 °C

TSMC

Foundry

TSMC

178 mm²

Die Size

178 mm²

FP7, FP7r2

Package

FP8, FP7, FP7r2

CPU Performance

4.3 GHz

Performance Core Base Frequency

3.8 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

43.0

Multiplier

38.0

64 KB per core

L1 Cache

64 K 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

Memory Types

DDR5-5600

-

Max Memory Size

256 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Max Dynamic Frequency

2700 MHz

-

Execution Units

12

-

Graphics Performance

10 TFLOPS

Miscellaneous

AMD Ryzen 5 PRO 8645HS

Official Website

AMD Ryzen 7 7840H

4

PCIe Version

4

20

PCIe Lanes

20

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