AMD Ryzen 7 4800H vs AMD Ryzen 9 7945HX3D

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We compared two laptop CPUs: AMD Ryzen 7 4800H with 8 cores 2.9GHz 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 4800H 's Advantages

Better graphics card performance

Higher specification of memory (LPDDR4X-4266 vs DDR5-5200)

Higher base frequency (2.9GHz vs 2.3GHz)

Lower TDP (35W vs 55W)

AMD Ryzen 9 7945HX3D 's Advantages

Released 3 years and 6 months late

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

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (128MB vs 8MB)

More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 4800H

1245

AMD Ryzen 9 7945HX3D +57%

1958

Cinebench R23 Multi Core

AMD Ryzen 7 4800H

11137

AMD Ryzen 9 7945HX3D +202%

33745

Geekbench 6 Single Core

AMD Ryzen 7 4800H

1422

AMD Ryzen 9 7945HX3D +95%

2783

Geekbench 6 Multi Core

AMD Ryzen 7 4800H

5175

AMD Ryzen 9 7945HX3D +210%

16080

Blender

AMD Ryzen 7 4800H

184

AMD Ryzen 9 7945HX3D +163%

485

Geekbench 5 Single Core

AMD Ryzen 7 4800H

1195

AMD Ryzen 9 7945HX3D +78%

2138

Geekbench 5 Multi Core

AMD Ryzen 7 4800H

7127

AMD Ryzen 9 7945HX3D +168%

19153

AMD Ryzen 7 4800H

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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 7

Integrated Graphics

Radeon 610M

-

Generation

Ryzen 9 (Zen 4 (Dragon Range))

Package

-

Transistor Count

17.84 billions

7 nm

Manufacturing Process

5 nm

FP6

Socket

AMD Socket FL1

35-54 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

-

Package

µFC-BGAFL1

CPU Performance

8

Performance Cores

-

16

Performance Core Threads

-

2.9 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

29x

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

2

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

300 MHz

GPU Base Frequency

-

1600 MHz

GPU Max Dynamic Frequency

2200 MHz

448

Shader Units

-

28

Texture Units

-

7

Raster Operation Units

-

Execution Units

2

10-45 W

Power Consumption

-

1.108 TFLOPS

Graphics Performance

0.49 TFLOPS

Miscellaneous

AMD Ryzen 7 4800H

Official Website

AMD Ryzen 9 7945HX3D

3.0

PCIe Version

5

16

PCIe Lanes

28

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