AMD Ryzen 7 7840U vs AMD Ryzen 7 5800U

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We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz and AMD Ryzen 7 5800U with 8 cores 1.9GHz . 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

Released 2 years and 4 months late

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

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.3GHz vs 1.9GHz)

More modern manufacturing process (4nm vs 7nm)

AMD Ryzen 7 5800U 's Advantages

Lower TDP (10W vs 15W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840U +24%

1771

AMD Ryzen 7 5800U

1418

Cinebench R23 Multi Core

AMD Ryzen 7 7840U +59%

12992

AMD Ryzen 7 5800U

8131

Geekbench 6 Single Core

AMD Ryzen 7 7840U +31%

2401

AMD Ryzen 7 5800U

1826

Geekbench 6 Multi Core

AMD Ryzen 7 7840U +70%

10983

AMD Ryzen 7 5800U

6437

Blender

AMD Ryzen 7 7840U +100%

234

AMD Ryzen 7 5800U

117

Geekbench 5 Single Core

AMD Ryzen 7 7840U +33%

1907

AMD Ryzen 7 5800U

1427

Geekbench 5 Multi Core

AMD Ryzen 7 7840U +60%

10387

AMD Ryzen 7 5800U

6470

AMD Ryzen 7 7840U

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AMD Ryzen 7 5800U

General Parameters

May 2023

Release Date

Jan 2021

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Cezanne

FP8

Socket

FP6

Radeon 780M

Integrated Graphics

Radeon RX Vega 8

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

7 nm

FP8

Socket

FP6

15-30 W

Power Consumption

10-25 W

100°C

Peak Operating Temperature

105 °C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.3 GHz

Performance Core Base Frequency

1.9 GHz

5.1 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

19x

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

16 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-3200, LPDDR4-4266

256 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

51.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2700 MHz

GPU Max Dynamic Frequency

2000 MHz

768

Shader Units

512

48

Texture Units

32

Raster Operation Units

8

12

Execution Units

-

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 7 7840U

Official Website

AMD Ryzen 7 5800U

4.0

PCIe Version

3.0

20

PCIe Lanes

12

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