AMD Ryzen 7 7840U vs AMD Ryzen 3 8440U

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We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz 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 7840U 's Advantages

Better graphics card performance

Higher base frequency (3.3GHz vs 3.0GHz)

Larger L3 cache size (16MB vs 8MB)

AMD Ryzen 3 8440U 's Advantages

Released 7 months late

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840U +2%

1771

AMD Ryzen 3 8440U

1724

Cinebench R23 Multi Core

AMD Ryzen 7 7840U +43%

12992

AMD Ryzen 3 8440U

9029

Geekbench 6 Single Core

AMD Ryzen 7 7840U +2%

2401

AMD Ryzen 3 8440U

2333

Geekbench 6 Multi Core

AMD Ryzen 7 7840U +67%

10983

AMD Ryzen 3 8440U

6557

AMD Ryzen 7 7840U

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AMD Ryzen 3 8440U

General Parameters

May 2023

Release Date

Dec 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 4 (Hawk Point)

FP8

Socket

FP7

Radeon 780M

Integrated Graphics

Radeon 740M

-

Generation

Ryzen 3 (Zen 4 (Hawk Point))

Package

25 billions

Transistor Count

20.9 billions

4 nm

Manufacturing Process

4 nm

FP8

Socket

FP7

15-30 W

Power Consumption

15-30 W

100°C

Peak Operating Temperature

100°C

-

Foundry

TSMC

-

Die Size

137 mm²

-

Package

FP7, FP7r2

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

8

3.3 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

33x

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

-

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600, LPDDR5x-7500

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

1500 MHz

2700 MHz

GPU Max Dynamic Frequency

2400 MHz

768

Shader Units

256

48

Texture Units

16

32

Raster Operation Units

8

12

Execution Units

4

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

2.56 TFLOPS

Miscellaneous

AMD Ryzen 7 7840U

Official Website

AMD Ryzen 3 8440U

4.0

PCIe Version

4.0

20

PCIe Lanes

14

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