AMD Ryzen 7 8840HS vs AMD Ryzen 5 3450U

VS

We compared two laptop CPUs: AMD Ryzen 7 8840HS with 8 cores 3.3GHz 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 7 8840HS 's Advantages

Released 3 years and 11 months late

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs DDR4-2400)

Larger memory bandwidth (89.6GB/s vs 38.4GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.3GHz vs 2.1GHz)

Larger L3 cache size (16MB vs 4MB)

AMD Ryzen 5 3450U 's Advantages

Lower TDP (12W vs 20W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 8840HS +90%

1692

AMD Ryzen 5 3450U

886

Cinebench R23 Multi Core

AMD Ryzen 7 8840HS +411%

16278

AMD Ryzen 5 3450U

3181

Geekbench 6 Single Core

AMD Ryzen 7 8840HS +138%

2293

AMD Ryzen 5 3450U

961

Geekbench 6 Multi Core

AMD Ryzen 7 8840HS +382%

11597

AMD Ryzen 5 3450U

2403

AMD Ryzen 7 8840HS

VS

AMD Ryzen 5 3450U

General Parameters

Dec 2023

Release Date

Jan 2020

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen+

FP8

Socket

FP5

Radeon 780M

Integrated Graphics

Radeon Vega 8

Ryzen 7 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

12 nm

FP8

Socket

FP5

20-30 W

Power Consumption

12-35 W

100°C

Peak Operating Temperature

105 °C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

8

3.3 GHz

Performance Core Base Frequency

2.1 GHz

5.1 GHz

Performance Core Turbo Frequency

3.5 GHz

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

21x

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

4 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-2400

256 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

38.4 GB/s

Yes

ECC Memory Support

-

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

300 MHz

2700 MHz

GPU Max Dynamic Frequency

2400 MHz

768

Shader Units

512

48

Texture Units

32

Raster Operation Units

8

12

Execution Units

8

15 W

Power Consumption

65 W

7680x4320 - 60 Hz

Max Resolution

3840x2160 - 60 Hz

8.12 TFLOPS

Graphics Performance

1.13 TFLOPS

Miscellaneous

AMD Ryzen 7 8840HS

Official Website

AMD Ryzen 5 3450U

4.0

PCIe Version

3.0

20

PCIe Lanes

12

Related CPU Comparisons

1

AMD Ryzen 7 8840HS vs Intel Core Ultra 7 155H

2

AMD Ryzen 7 8840HS vs AMD Ryzen 7 7840HS

3

AMD Ryzen 7 8840HS vs Intel Core Ultra 5 125H

4

AMD Ryzen 7 8840U vs AMD Ryzen 7 8840HS

5

AMD Ryzen 7 8845HS vs AMD Ryzen 7 8840HS

6

Intel Core 7 150U vs AMD Ryzen 7 8840HS

7

AMD Ryzen 7 8840HS vs Intel Core Ultra 5 125U

8

AMD Ryzen 5 3450U vs Intel Core i5 1335U

9

AMD Ryzen 7 8840HS vs Intel Core i7 10710U

10

AMD Ryzen 7 8840HS vs Intel Celeron N3060