AMD Ryzen 9 8945HS vs AMD Ryzen 7 7840HS

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We compared two laptop CPUs: AMD Ryzen 9 8945HS with 8 cores 4.0GHz and AMD Ryzen 7 7840HS 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 9 8945HS 's Advantages

Released 11 months late

Higher base frequency (4.0GHz vs 3.8GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 8945HS

1811

AMD Ryzen 7 7840HS

1803

Cinebench R23 Multi Core

AMD Ryzen 9 8945HS

17203

AMD Ryzen 7 7840HS

17192

Geekbench 6 Single Core

AMD Ryzen 9 8945HS

2616

AMD Ryzen 7 7840HS

2605

Geekbench 6 Multi Core

AMD Ryzen 9 8945HS +9%

13312

AMD Ryzen 7 7840HS

12167

Blender

AMD Ryzen 9 8945HS

187

AMD Ryzen 7 7840HS +41%

265

Geekbench 5 Single Core

AMD Ryzen 9 8945HS +2%

1965

AMD Ryzen 7 7840HS

1915

Geekbench 5 Multi Core

AMD Ryzen 9 8945HS +10%

12368

AMD Ryzen 7 7840HS

11238

AMD Ryzen 9 8945HS

VS

AMD Ryzen 7 7840HS

General Parameters

Dec 2023

Release Date

Jan 2023

Amd

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Hawk Point)

Core Architecture

Zen 4 (Phoenix)

FP8

Socket

FP8

Radeon 780M

Integrated Graphics

Radeon 780M

Ryzen 9 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

FP8

Socket

FP8

35-54 W

Power Consumption

35-54 W

100°C

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

4.0 GHz

Performance Core Base Frequency

3.8 GHz

5.2 GHz

Performance Core Turbo Frequency

5.1 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

40x

Multiplier

38x

64 K 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

-

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

800 MHz

GPU Base Frequency

800 MHz

2800 MHz

GPU Max Dynamic Frequency

2700 MHz

768

Shader Units

768

48

Texture Units

48

32

Raster Operation Units

32

12

Execution Units

12

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

7680x4320 - 60 Hz

8.12 TFLOPS

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 9 8945HS

Official Website

AMD Ryzen 7 7840HS

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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