AMD Ryzen 7 8840U vs AMD Ryzen 3 Pro 5450U

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We compared two laptop CPUs: AMD Ryzen 7 8840U 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 7 8840U 's Advantages

Released 2 years and 9 months late

Higher specification of memory (LPDDR5x-7500 vs LPDDR4-4266)

Larger memory bandwidth (89.6GB/s vs 51.2GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.3GHz vs 2.6GHz)

Larger L3 cache size (16MB vs 8MB)

Lower TDP (15W vs 15W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 7 8840U +52%

2468

AMD Ryzen 3 Pro 5450U

1618

Geekbench 6 Multi Core

AMD Ryzen 7 8840U +136%

11498

AMD Ryzen 3 Pro 5450U

4858

AMD Ryzen 7 8840U

VS

AMD Ryzen 3 Pro 5450U

General Parameters

Dec 2023

Release Date

Mar 2021

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Hawk Point)

Core Architecture

Cezanne U

-

Processor Number

-

FP8

Socket

FP6

Radeon 780M

Integrated Graphics

Radeon RX Vega 6

Ryzen 7 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

7 nm

FP8

Socket

FP6

15-30 W

Power Consumption

15 W

-

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

105 °C

TSMC

Foundry

-

178 mm²

Die Size

-

I/O Process Size

-

I/O Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

8

3.3 GHz

Performance Core Base Frequency

2.6 GHz

5.1 GHz

Performance Core Turbo Frequency

4 GHz

-

Efficiency Cores

-

Efficiency Core Threads

-

Efficiency Core Base Frequency

-

Efficiency Core Turbo Frequency

-

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

26x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

CCDs

-

Cores per CCD

-

1

SMP

-

AVX-512 FMA Ports

-

HBM

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-3200, LPDDR4-4266

256 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

51.2 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2700 MHz

GPU Max Dynamic Frequency

1600 MHz

768

Shader Units

384

48

Texture Units

24

32

Raster Operation Units

8

12

Execution Units

-

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

-

AI Accelerator

-

NPU

-

Theoretical performance

-

Miscellaneous

AMD Ryzen 7 8840U

Official Website

AMD Ryzen 3 Pro 5450U

4.0

PCIe Version

3.0

20

PCIe Lanes

12

-

Extended Instruction Set

-

UPI Links

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