AMD Ryzen 9 7845HX vs AMD Ryzen 5 3450U

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We compared two laptop CPUs: AMD Ryzen 9 7845HX with 12 cores 3.0GHz and AMD Ryzen 5 3450U with 4 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7845HX 's Advantages

Released 3 years late

Higher specification of memory (DDR5-5200 vs DDR4-2400)

Larger memory bandwidth (83.2GB/s vs 38.4GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.0GHz vs 2.1GHz)

Larger L3 cache size (64MB vs 4MB)

More modern manufacturing process (5nm vs 12nm)

AMD Ryzen 5 3450U 's Advantages

Better graphics card performance

Lower TDP (12W vs 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7845HX +112%

1886

AMD Ryzen 5 3450U

886

Cinebench R23 Multi Core

AMD Ryzen 9 7845HX +743%

26842

AMD Ryzen 5 3450U

3181

Geekbench 6 Single Core

AMD Ryzen 9 7845HX +170%

2600

AMD Ryzen 5 3450U

961

Geekbench 6 Multi Core

AMD Ryzen 9 7845HX +434%

12851

AMD Ryzen 5 3450U

2403

Blender

AMD Ryzen 9 7845HX +1048%

379

AMD Ryzen 5 3450U

33

Geekbench 5 Single Core

AMD Ryzen 9 7845HX +167%

2052

AMD Ryzen 5 3450U

768

Geekbench 5 Multi Core

AMD Ryzen 9 7845HX +569%

16693

AMD Ryzen 5 3450U

2495

AMD Ryzen 9 7845HX

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AMD Ryzen 5 3450U

General Parameters

Jan 2023

Release Date

Jan 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Zen+

FL1

Socket

FP5

Radeon 610M

Integrated Graphics

Radeon Vega 8

Package

5 nm

Manufacturing Process

12 nm

FL1

Socket

FP5

45-75 W

Power Consumption

12-35 W

100°C

Peak Operating Temperature

105 °C

CPU Performance

12

Performance Cores

4

24

Performance Core Threads

8

3.0 GHz

Performance Core Base Frequency

2.1 GHz

5.2 GHz

Performance Core Turbo Frequency

3.5 GHz

12

Total Core Count

4

24

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

21x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

4 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5200

Memory Types

DDR4-2400

64 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

38.4 GB/s

No

ECC Memory Support

-

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

300 MHz

2200 MHz

GPU Max Dynamic Frequency

2400 MHz

128

Shader Units

512

8

Texture Units

32

4

Raster Operation Units

8

2

Execution Units

8

15 W

Power Consumption

65 W

-

Max Resolution

3840x2160 - 60 Hz

0.49 TFLOPS

Graphics Performance

1.13 TFLOPS

Miscellaneous

AMD Ryzen 9 7845HX

Official Website

AMD Ryzen 5 3450U

5.0

PCIe Version

3.0

28

PCIe Lanes

12

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