AMD Ryzen 5 3450U vs AMD Ryzen 9 5900HX

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We compared two laptop CPUs: AMD Ryzen 5 3450U with 4 cores 2.1GHz and AMD Ryzen 9 5900HX with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 3450U 's Advantages

Lower TDP (12W vs 35W)

AMD Ryzen 9 5900HX 's Advantages

Released 1 years late

Higher specification of memory (LPDDR4-4266 vs DDR4-2400)

Larger memory bandwidth (68.27GB/s vs 38.4GB/s)

Higher base frequency (3.3GHz vs 2.1GHz)

Larger L3 cache size (16MB vs 4MB)

More modern manufacturing process (7nm vs 12nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 3450U

886

AMD Ryzen 9 5900HX +67%

1484

Cinebench R23 Multi Core

AMD Ryzen 5 3450U

3181

AMD Ryzen 9 5900HX +302%

12809

Geekbench 6 Single Core

AMD Ryzen 5 3450U

961

AMD Ryzen 9 5900HX +107%

1993

Geekbench 6 Multi Core

AMD Ryzen 5 3450U

2403

AMD Ryzen 9 5900HX +287%

9310

Blender

AMD Ryzen 5 3450U

33

AMD Ryzen 9 5900HX +554%

216

Geekbench 5 Single Core

AMD Ryzen 5 3450U

768

AMD Ryzen 9 5900HX +96%

1511

Geekbench 5 Multi Core

AMD Ryzen 5 3450U

2495

AMD Ryzen 9 5900HX +232%

8303

Passmark CPU Single Core

AMD Ryzen 5 3450U

1914

AMD Ryzen 9 5900HX +66%

3183

Passmark CPU Multi Core

AMD Ryzen 5 3450U

6726

AMD Ryzen 9 5900HX +238%

22772

AMD Ryzen 5 3450U

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AMD Ryzen 9 5900HX

General Parameters

Jan 2020

Release Date

Jan 2021

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen+

Core Architecture

Cezanne

FP5

Socket

FP6

Radeon Vega 8

Integrated Graphics

Radeon RX Vega 8

Package

12 nm

Manufacturing Process

7 nm

FP5

Socket

FP6

12-35 W

Power Consumption

35-54 W

105 °C

Peak Operating Temperature

105 °C

CPU Performance

4

Performance Cores

8

Performance Core Threads

16

2.1 GHz

Performance Core Base Frequency

3.3 GHz

3.5 GHz

Performance Core Turbo Frequency

4.6 GHz

4

Total Core Count

8

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

21x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

512 K per core

4 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2400

Memory Types

DDR4-3200, LPDDR4-4266

32 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

38.4 GB/s

Max Memory Bandwidth

68.27 GB/s

-

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

-

2400 MHz

GPU Max Dynamic Frequency

2100 MHz

512

Shader Units

512

32

Texture Units

32

8

Raster Operation Units

8

Execution Units

-

65 W

Power Consumption

15 W

3840x2160 - 60 Hz

Max Resolution

-

1.13 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 5 3450U

Official Website

AMD Ryzen 9 5900HX

3.0

PCIe Version

3.0

12

PCIe Lanes

16

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