AMD Ryzen 9 7945HX3D vs AMD Ryzen 3 7320U

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We compared two laptop CPUs: AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz and AMD Ryzen 3 7320U with 4 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7945HX3D 's Advantages

Released 6 months late

Larger memory bandwidth (83.2GB/s vs 44.0GB/s)

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (128MB vs 4MB)

More modern manufacturing process (5nm vs 6nm)

AMD Ryzen 3 7320U 's Advantages

Higher specification of memory (LPDDR5-5500 vs DDR5-5200)

Higher base frequency (2.4GHz vs 2.3GHz)

Lower TDP (15W vs 55W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7945HX3D +74%

1958

AMD Ryzen 3 7320U

1122

Cinebench R23 Multi Core

AMD Ryzen 9 7945HX3D +652%

33745

AMD Ryzen 3 7320U

4483

Geekbench 6 Single Core

AMD Ryzen 9 7945HX3D +130%

2783

AMD Ryzen 3 7320U

1207

Geekbench 6 Multi Core

AMD Ryzen 9 7945HX3D +406%

16080

AMD Ryzen 3 7320U

3172

Blender

AMD Ryzen 9 7945HX3D +1210%

485

AMD Ryzen 3 7320U

37

Geekbench 5 Single Core

AMD Ryzen 9 7945HX3D +109%

2138

AMD Ryzen 3 7320U

1021

Geekbench 5 Multi Core

AMD Ryzen 9 7945HX3D +415%

19153

AMD Ryzen 3 7320U

3717

AMD Ryzen 9 7945HX3D

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AMD Ryzen 3 7320U

General Parameters

Jul 2023

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Dragon Range

Core Architecture

Zen 2 (Mendocino)

AMD Socket FL1

Socket

FP6

Radeon 610M

Integrated Graphics

Radeon 610M

Ryzen 9 (Zen 4 (Dragon Range))

Generation

-

Package

17.84 billions

Transistor Count

-

5 nm

Manufacturing Process

6 nm

AMD Socket FL1

Socket

FP6

55 W

Power Consumption

15 W

89 °C

Peak Operating Temperature

95°C

TSMC

Foundry

-

2x71 mm²

Die Size

-

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

µFC-BGAFL1

Package

-

CPU Performance

-

Performance Cores

4

-

Performance Core Threads

8

2.3 GHz

Performance Core Base Frequency

2.4 GHz

5.4 GHz

Performance Core Turbo Frequency

4.1 GHz

16

Total Core Count

4

32

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

24x

64 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

128 MB shared

L3 Cache

4 MB shared

Yes

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5200

Memory Types

LPDDR5-5500

64 GB

Max Memory Size

16 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

44.0 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

2200 MHz

GPU Max Dynamic Frequency

1900 MHz

-

Shader Units

128

-

Texture Units

8

-

Raster Operation Units

4

2

Execution Units

2

-

Power Consumption

15 W

0.49 TFLOPS

Graphics Performance

0.49 TFLOPS

Miscellaneous

AMD Ryzen 9 7945HX3D

Official Website

AMD Ryzen 3 7320U

5

PCIe Version

3.0

28

PCIe Lanes

4

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