AMD Ryzen 3 8440U vs AMD Ryzen 7 7840H

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

Main Differences

AMD Ryzen 3 8440U 's Advantages

Released 11 months late

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

Lower TDP (15W vs 35W)

AMD Ryzen 7 7840H 's Advantages

Better graphics card performance

Newer PCIe version (4 vs 4.0)

Higher base frequency (3.8GHz vs 3.0GHz)

Larger L3 cache size (16MB vs 8MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 3 8440U

1724

AMD Ryzen 7 7840H +4%

1800

Cinebench R23 Multi Core

AMD Ryzen 3 8440U

9029

AMD Ryzen 7 7840H +98%

17887

Geekbench 6 Single Core

AMD Ryzen 3 8440U

2333

AMD Ryzen 7 7840H +12%

2625

Geekbench 6 Multi Core

AMD Ryzen 3 8440U

6557

AMD Ryzen 7 7840H +80%

11813

AMD Ryzen 3 8440U

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AMD Ryzen 7 7840H

General Parameters

Dec 2023

Release Date

Jan 2023

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Zen 4 (Hawk Point)

Core Architecture

Phoenix

FP7

Socket

AMD Socket FP8

Radeon 740M

Integrated Graphics

Radeon 780M

Ryzen 3 (Zen 4 (Hawk Point))

Generation

Ryzen 7 (Zen 4 (Phoenix))

Package

20.9 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

FP7

Socket

AMD Socket FP8

15-30 W

Power Consumption

35 W

100°C

Peak Operating Temperature

100 °C

TSMC

Foundry

TSMC

137 mm²

Die Size

178 mm²

FP7, FP7r2

Package

FP8, FP7, FP7r2

CPU Performance

4

Performance Cores

-

8

Performance Core Threads

-

3.0 GHz

Performance Core Base Frequency

3.8 GHz

4.7 GHz

Performance Core Turbo Frequency

5.1 GHz

3

Efficiency Cores

-

6

Efficiency Core Threads

-

4

Total Core Count

8

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

38.0

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2400 MHz

GPU Max Dynamic Frequency

2700 MHz

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

4

Execution Units

12

15 W

Power Consumption

-

2.56 TFLOPS

Graphics Performance

10 TFLOPS

Miscellaneous

AMD Ryzen 3 8440U

Official Website

AMD Ryzen 7 7840H

4.0

PCIe Version

4

14

PCIe Lanes

20

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