AMD Ryzen 7 7840H vs AMD Ryzen 3 8440U

VS

We compared two laptop CPUs: AMD Ryzen 7 7840H with 8 cores 3.8GHz and AMD Ryzen 3 8440U with 4 cores 3.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840H 's Advantages

Better graphics card performance

Higher base frequency (3.8GHz vs 3.0GHz)

Larger L3 cache size (16MB vs 8MB)

AMD Ryzen 3 8440U 's Advantages

Released 11 months late

Higher specification of memory (LPDDR5x-7500 vs DDR5-5600)

Newer PCIe version (4.0 vs 4)

Lower TDP (15W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840H +4%

1800

AMD Ryzen 3 8440U

1724

Cinebench R23 Multi Core

AMD Ryzen 7 7840H +98%

17887

AMD Ryzen 3 8440U

9029

Geekbench 6 Single Core

AMD Ryzen 7 7840H +12%

2625

AMD Ryzen 3 8440U

2333

Geekbench 6 Multi Core

AMD Ryzen 7 7840H +80%

11813

AMD Ryzen 3 8440U

6557

AMD Ryzen 7 7840H

VS

AMD Ryzen 3 8440U

General Parameters

Jan 2023

Release Date

Dec 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

-

Instruction Set

x86-64

Phoenix

Core Architecture

Zen 4 (Hawk Point)

AMD Socket FP8

Socket

FP7

Radeon 780M

Integrated Graphics

Radeon 740M

Ryzen 7 (Zen 4 (Phoenix))

Generation

Ryzen 3 (Zen 4 (Hawk Point))

Package

25 billions

Transistor Count

20.9 billions

4 nm

Manufacturing Process

4 nm

AMD Socket FP8

Socket

FP7

35 W

Power Consumption

15-30 W

100 °C

Peak Operating Temperature

100°C

TSMC

Foundry

TSMC

178 mm²

Die Size

137 mm²

FP8, FP7, FP7r2

Package

FP7, FP7r2

CPU Performance

-

Performance Cores

4

-

Performance Core Threads

8

3.8 GHz

Performance Core Base Frequency

3.0 GHz

5.1 GHz

Performance Core Turbo Frequency

4.7 GHz

-

Efficiency Cores

3

-

Efficiency Core Threads

6

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

38.0

Multiplier

30x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600

Memory Types

DDR5-5600, LPDDR5x-7500

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

2700 MHz

GPU Max Dynamic Frequency

2400 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

12

Execution Units

4

-

Power Consumption

15 W

10 TFLOPS

Graphics Performance

2.56 TFLOPS

Miscellaneous

AMD Ryzen 7 7840H

Official Website

AMD Ryzen 3 8440U

4

PCIe Version

4.0

20

PCIe Lanes

14

Related CPU Comparisons

1

AMD Ryzen 7 7840H vs AMD Ryzen 7 7840HS

2

AMD Ryzen 7 7840H vs Intel Core i5 13450HX

3

AMD Ryzen 7 8845HS vs AMD Ryzen 7 7840H

4

AMD Ryzen 7 7840H vs AMD Ryzen 7 7735HS

5

AMD Ryzen 7 7840H vs Intel Core i7 12700H

6

AMD Ryzen 7 7840H vs Intel Core i7 14650HX

7

Intel Core i5 13500HX vs AMD Ryzen 7 7840H

8

AMD Ryzen 7 5700U vs AMD Ryzen 3 8440U

9

AMD Ryzen 7 7840H vs Intel Core i7 10510Y

10

AMD Ryzen 7 7840H vs Intel Core i9 13900HK