AMD Ryzen 9 7845HX vs AMD Ryzen 7 7840H

VS

We compared two laptop CPUs: AMD Ryzen 9 7845HX with 12 cores 3.0GHz 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 9 7845HX 's Advantages

Newer PCIe version (5.0 vs 4)

Larger L3 cache size (64MB vs 16MB)

AMD Ryzen 7 7840H 's Advantages

Better graphics card performance

Higher specification of memory (DDR5-5600 vs DDR5-5200)

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

Higher base frequency (3.8GHz vs 3.0GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (35W vs 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7845HX +4%

1886

AMD Ryzen 7 7840H

1800

Cinebench R23 Multi Core

AMD Ryzen 9 7845HX +50%

26842

AMD Ryzen 7 7840H

17887

Geekbench 6 Single Core

AMD Ryzen 9 7845HX

2600

AMD Ryzen 7 7840H

2625

Geekbench 6 Multi Core

AMD Ryzen 9 7845HX +8%

12851

AMD Ryzen 7 7840H

11813

Blender

AMD Ryzen 9 7845HX +92%

379

AMD Ryzen 7 7840H

197

Geekbench 5 Single Core

AMD Ryzen 9 7845HX +7%

2052

AMD Ryzen 7 7840H

1909

Geekbench 5 Multi Core

AMD Ryzen 9 7845HX +45%

16693

AMD Ryzen 7 7840H

11494

AMD Ryzen 9 7845HX

VS

AMD Ryzen 7 7840H

General Parameters

Jan 2023

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Zen 4 (Dragon Range)

Core Architecture

Phoenix

FL1

Socket

AMD Socket FP8

Radeon 610M

Integrated Graphics

Radeon 780M

-

Generation

Ryzen 7 (Zen 4 (Phoenix))

Package

-

Transistor Count

25 billions

5 nm

Manufacturing Process

4 nm

FL1

Socket

AMD Socket FP8

45-75 W

Power Consumption

35 W

100°C

Peak Operating Temperature

100 °C

-

Foundry

TSMC

-

Die Size

178 mm²

-

Package

FP8, FP7, FP7r2

CPU Performance

12

Performance Cores

-

24

Performance Core Threads

-

3.0 GHz

Performance Core Base Frequency

3.8 GHz

5.2 GHz

Performance Core Turbo Frequency

5.1 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

38.0

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

-

SMP

1

Memory Parameters

DDR5-5200

Memory Types

DDR5-5600

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

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2200 MHz

GPU Max Dynamic Frequency

2700 MHz

128

Shader Units

-

8

Texture Units

-

4

Raster Operation Units

-

2

Execution Units

12

15 W

Power Consumption

-

0.49 TFLOPS

Graphics Performance

10 TFLOPS

Miscellaneous

AMD Ryzen 9 7845HX

Official Website

AMD Ryzen 7 7840H

5.0

PCIe Version

4

28

PCIe Lanes

20

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