AMD Ryzen 7 PRO 8840U vs AMD Ryzen 9 7945HX

VS

AMD Ryzen 7 PRO 8840U

AMD Ryzen 9 7945HX

We compared two laptop CPUs: AMD Ryzen 7 PRO 8840U with 8 cores 3.3GHz and AMD Ryzen 9 7945HX with 16 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 PRO 8840U 's Advantages

Released 1 years and 3 months late

Higher specification of memory (5600 vs 5200)

Higher base frequency (3.3GHz vs 2.5GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (28W vs 75W)

AMD Ryzen 9 7945HX 's Advantages

Integrated graphics card

Newer PCIe version (5.0 vs 4)

Larger L3 cache size (64MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 PRO 8840U

1807

AMD Ryzen 9 7945HX +7%

1950

Geekbench 6 Single Core

AMD Ryzen 7 PRO 8840U

2407

AMD Ryzen 9 7945HX +20%

2906

Geekbench 6 Multi Core

AMD Ryzen 7 PRO 8840U

9320

AMD Ryzen 9 7945HX +108%

19413

Blender

AMD Ryzen 7 PRO 8840U

165

AMD Ryzen 9 7945HX +203%

501

AMD Ryzen 7 PRO 8840U

VS

AMD Ryzen 9 7945HX

General Parameters

Apr 2024

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen 4 (Dragon Range)

AMD Socket FP7

Socket

FL1

Radeon 780M

Integrated Graphics

Radeon 610M

Ryzen 7 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

13.1 billions

4 nm

Manufacturing Process

5 nm

28 W

Power Consumption

55-75 W

-

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

-

Performance Cores

16

-

Performance Core Threads

32

3.3 GHz

Performance Core Base Frequency

2.5 GHz

5.1 GHz

Performance Core Turbo Frequency

5.4 GHz

8

Total Core Count

16

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

33.0

Multiplier

25x

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

64 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR5-5200

-

Max Memory Size

64 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

-

GPU Max Dynamic Frequency

2200 MHz

-

Shader Units

128

-

Texture Units

8

-

Raster Operation Units

4

-

Execution Units

2

-

Power Consumption

15 W

-

Graphics Performance

0.49 TFLOPS

Miscellaneous

AMD Ryzen 7 PRO 8840U

Official Website

AMD Ryzen 9 7945HX

4

PCIe Version

5.0

20

PCIe Lanes

28

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