AMD Ryzen 9 7845HX vs AMD Ryzen 9 7940HS

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We compared two laptop CPUs: AMD Ryzen 9 7845HX with 12 cores 3.0GHz and AMD Ryzen 9 7940HS with 8 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7845HX 's Advantages

Newer PCIe version (5.0 vs 4.0)

Larger L3 cache size (64MB vs 16MB)

AMD Ryzen 9 7940HS 's Advantages

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs DDR5-5200)

Larger memory bandwidth (89.6GB/s vs 83.2GB/s)

Higher base frequency (4.0GHz vs 3.0GHz)

Lower TDP (35W vs 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7845HX +2%

1871

AMD Ryzen 9 7940HS

1834

Cinebench R23 Multi Core

AMD Ryzen 9 7845HX +49%

26460

AMD Ryzen 9 7940HS

17645

Geekbench 6 Single Core

AMD Ryzen 9 7845HX +2%

2600

AMD Ryzen 9 7940HS

2534

Geekbench 6 Multi Core

AMD Ryzen 9 7845HX

12851

AMD Ryzen 9 7940HS

12852

Blender

AMD Ryzen 9 7845HX +34%

379

AMD Ryzen 9 7940HS

282

Geekbench 5 Single Core

AMD Ryzen 9 7845HX +2%

2052

AMD Ryzen 9 7940HS

2010

Geekbench 5 Multi Core

AMD Ryzen 9 7845HX +34%

16693

AMD Ryzen 9 7940HS

12376

AMD Ryzen 9 7845HX

VS

AMD Ryzen 9 7940HS

General Parameters

Jan 2023

Release Date

Jan 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Zen 4 (Phoenix)

FL1

Socket

FP8

Radeon 610M

Integrated Graphics

Radeon 780M

Package

-

Transistor Count

25 billions

5 nm

Manufacturing Process

4 nm

FL1

Socket

FP8

45-75 W

Power Consumption

35-54 W

100°C

Peak Operating Temperature

100°C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.0 GHz

Performance Core Base Frequency

4.0 GHz

5.2 GHz

Performance Core Turbo Frequency

5.2 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

40x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5200

Memory Types

DDR5-5600, LPDDR5x-7500

64 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

800 MHz

2200 MHz

GPU Max Dynamic Frequency

2800 MHz

128

Shader Units

768

8

Texture Units

48

4

Raster Operation Units

32

2

Execution Units

12

15 W

Power Consumption

15 W

-

Max Resolution

7680x4320 - 60 Hz

0.49 TFLOPS

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 9 7845HX

Official Website

AMD Ryzen 9 7940HS

5.0

PCIe Version

4.0

28

PCIe Lanes

20

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