AMD Ryzen 9 4900H vs AMD Ryzen 3 Pro 5450U

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We compared two laptop CPUs: AMD Ryzen 9 4900H with 8 cores 3.3GHz and AMD Ryzen 3 Pro 5450U with 4 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 4900H 's Advantages

Higher specification of memory (LPDDR4X-4266 vs LPDDR4-4266)

Larger memory bandwidth (68.27GB/s vs 51.2GB/s)

Higher base frequency (3.3GHz vs 2.6GHz)

AMD Ryzen 3 Pro 5450U 's Advantages

Released 1 years late

Lower TDP (15W vs 35W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 9 4900H +3%

1678

AMD Ryzen 3 Pro 5450U

1618

Geekbench 6 Multi Core

AMD Ryzen 9 4900H +25%

6103

AMD Ryzen 3 Pro 5450U

4858

Geekbench 5 Single Core

AMD Ryzen 9 4900H

1210

AMD Ryzen 3 Pro 5450U +6%

1294

Geekbench 5 Multi Core

AMD Ryzen 9 4900H +62%

7541

AMD Ryzen 3 Pro 5450U

4629

Passmark CPU Single Core

AMD Ryzen 9 4900H

2703

AMD Ryzen 3 Pro 5450U +3%

2805

Passmark CPU Multi Core

AMD Ryzen 9 4900H +70%

19102

AMD Ryzen 3 Pro 5450U

11208

AMD Ryzen 9 4900H

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AMD Ryzen 3 Pro 5450U

General Parameters

Mar 2020

Release Date

Mar 2021

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Cezanne U

FP6

Socket

FP6

Radeon Vega 8

Integrated Graphics

Radeon RX Vega 6

Package

7 nm

Manufacturing Process

7 nm

FP6

Socket

FP6

35-54 W

Power Consumption

15 W

105 °C

Peak Operating Temperature

105 °C

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

8

3.3 GHz

Performance Core Base Frequency

2.6 GHz

4.4 GHz

Performance Core Turbo Frequency

4 GHz

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

26x

-

L1 Cache

64 K per core

512 K per core

L2 Cache

512 K per core

8 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-3200, LPDDR4X-4266

Memory Types

DDR4-3200, LPDDR4-4266

64 GB

Max Memory Size

32 GB

4

Max Memory Channels

2

68.27 GB/s

Max Memory Bandwidth

51.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1750 MHz

GPU Max Dynamic Frequency

1600 MHz

512

Shader Units

384

32

Texture Units

24

8

Raster Operation Units

8

15 W

Power Consumption

15 W

Miscellaneous

AMD Ryzen 9 4900H

Official Website

AMD Ryzen 3 Pro 5450U

3.0

PCIe Version

3.0

16

PCIe Lanes

12

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