AMD Ryzen 7 4800U vs AMD Ryzen 9 7945HX3D

VS

AMD Ryzen 7 4800U

AMD Ryzen 9 7945HX3D

We compared two laptop CPUs: AMD Ryzen 7 4800U with 8 cores 1.8GHz and AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 4800U 's Advantages

Lower TDP (25W vs 55W)

AMD Ryzen 9 7945HX3D 's Advantages

Released 3 years and 6 months late

Higher specification of memory (5200 vs 4266)

Larger memory bandwidth (83.2GB/s vs 68.27GB/s)

Newer PCIe version (5 vs 3.0)

Higher base frequency (2.3GHz vs 1.8GHz)

Larger L3 cache size (128MB vs 8MB)

More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 4800U

1224

AMD Ryzen 9 7945HX3D +58%

1940

Cinebench R23 Multi Core

AMD Ryzen 7 4800U

8610

AMD Ryzen 9 7945HX3D +287%

33329

Geekbench 6 Single Core

AMD Ryzen 7 4800U

1415

AMD Ryzen 9 7945HX3D +96%

2783

Geekbench 6 Multi Core

AMD Ryzen 7 4800U

4218

AMD Ryzen 9 7945HX3D +281%

16080

Blender

AMD Ryzen 7 4800U

90

AMD Ryzen 9 7945HX3D +427%

475

Geekbench 5 Single Core

AMD Ryzen 7 4800U

1176

AMD Ryzen 9 7945HX3D +81%

2138

Geekbench 5 Multi Core

AMD Ryzen 7 4800U

6344

AMD Ryzen 9 7945HX3D +201%

19153

AMD Ryzen 7 4800U

VS

AMD Ryzen 9 7945HX3D

General Parameters

Jan 2020

Release Date

Jul 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Zen 2

Core Architecture

Dragon Range

FP6

Socket

AMD Socket FL1

Radeon Vega 8

Integrated Graphics

Radeon 610M

-

Generation

Ryzen 9 (Zen 4 (Dragon Range))

Package

-

Transistor Count

17.84 billions

7 nm

Manufacturing Process

5 nm

10-25 W

Power Consumption

55 W

105 °C

Peak Operating Temperature

89 °C

-

Foundry

TSMC

-

Die Size

2x71 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

122 mm²

CPU Performance

8

Performance Cores

-

16

Performance Core Threads

-

1.8 GHz

Performance Core Base Frequency

2.3 GHz

4.2 GHz

Performance Core Turbo Frequency

5.4 GHz

8

Total Core Count

16

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

18x

Multiplier

23.0

32 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200, LPDDR4X-4266

Memory Types

DDR5-5200

64 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

68.27 GB/s

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1750 MHz

GPU Max Dynamic Frequency

2200 MHz

512

Shader Units

-

32

Texture Units

-

8

Raster Operation Units

-

Execution Units

2

15 W

Power Consumption

-

Graphics Performance

0.49 TFLOPS

Miscellaneous

AMD Ryzen 7 4800U

Official Website

AMD Ryzen 9 7945HX3D

3.0

PCIe Version

5

16

PCIe Lanes

28

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