AMD Ryzen 7 5700U vs AMD Ryzen 9 7945HX3D

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We compared two laptop CPUs: AMD Ryzen 7 5700U 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 5700U 's Advantages

Higher specification of memory (LPDDR4-4266 vs DDR5-5200)

Lower TDP (10W vs 55W)

AMD Ryzen 9 7945HX3D 's Advantages

Released 2 years and 6 months late

Larger memory bandwidth (83.2GB/s vs 51.2GB/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 5700U

1261

AMD Ryzen 9 7945HX3D +55%

1958

Cinebench R23 Multi Core

AMD Ryzen 7 5700U

8992

AMD Ryzen 9 7945HX3D +275%

33745

Geekbench 6 Single Core

AMD Ryzen 7 5700U

1303

AMD Ryzen 9 7945HX3D +113%

2783

Geekbench 6 Multi Core

AMD Ryzen 7 5700U

4856

AMD Ryzen 9 7945HX3D +231%

16080

Blender

AMD Ryzen 7 5700U

139

AMD Ryzen 9 7945HX3D +248%

485

Geekbench 5 Single Core

AMD Ryzen 7 5700U

1166

AMD Ryzen 9 7945HX3D +83%

2138

Geekbench 5 Multi Core

AMD Ryzen 7 5700U

6146

AMD Ryzen 9 7945HX3D +211%

19153

AMD Ryzen 7 5700U

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AMD Ryzen 9 7945HX3D

General Parameters

Jan 2021

Release Date

Jul 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Lucienne

Core Architecture

Dragon Range

FP6

Socket

AMD Socket FL1

Radeon RX 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

FP6

Socket

AMD Socket FL1

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

-

Package

µFC-BGAFL1

CPU Performance

8

Performance Cores

-

16

Performance Core Threads

-

1.8 GHz

Performance Core Base Frequency

2.3 GHz

4.3 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

64 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, LPDDR4-4266

Memory Types

DDR5-5200

32 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

51.2 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1900 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 5700U

Official Website

AMD Ryzen 9 7945HX3D

3.0

PCIe Version

5

12

PCIe Lanes

28

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