AMD Ryzen 7 4800U vs AMD Ryzen 7 7840U

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We compared two laptop CPUs: AMD Ryzen 7 4800U with 8 cores 1.8GHz and AMD Ryzen 7 7840U with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 4800U 's Advantages

Lower TDP (10W vs 15W)

AMD Ryzen 7 7840U 's Advantages

Released 3 years and 4 months late

Higher specification of memory (LPDDR5x-7500 vs LPDDR4X-4266)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.3GHz vs 1.8GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (4nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 4800U

1231

AMD Ryzen 7 7840U +43%

1771

Cinebench R23 Multi Core

AMD Ryzen 7 4800U

8999

AMD Ryzen 7 7840U +44%

12992

Geekbench 6 Single Core

AMD Ryzen 7 4800U

1415

AMD Ryzen 7 7840U +69%

2401

Geekbench 6 Multi Core

AMD Ryzen 7 4800U

4218

AMD Ryzen 7 7840U +160%

10983

Blender

AMD Ryzen 7 4800U

90

AMD Ryzen 7 7840U +160%

234

Geekbench 5 Single Core

AMD Ryzen 7 4800U

1176

AMD Ryzen 7 7840U +62%

1907

Geekbench 5 Multi Core

AMD Ryzen 7 4800U

6344

AMD Ryzen 7 7840U +63%

10387

AMD Ryzen 7 4800U

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AMD Ryzen 7 7840U

General Parameters

Jan 2020

Release Date

May 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Zen 4 (Phoenix)

FP6

Socket

FP8

Radeon Vega 8

Integrated Graphics

Radeon 780M

Package

-

Transistor Count

25 billions

7 nm

Manufacturing Process

4 nm

FP6

Socket

FP8

10-25 W

Power Consumption

15-30 W

105 °C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

1.8 GHz

Performance Core Base Frequency

3.3 GHz

4.2 GHz

Performance Core Turbo Frequency

5.1 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

18x

Multiplier

33x

32 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-3200, LPDDR4X-4266

Memory Types

DDR5-5600, LPDDR5x-7500

64 GB

Max Memory Size

256 GB

4

Max Memory Channels

2

68.27 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

1750 MHz

GPU Max Dynamic Frequency

2700 MHz

512

Shader Units

768

32

Texture Units

48

8

Raster Operation Units

32

-

Execution Units

12

15 W

Power Consumption

15 W

-

Max Resolution

7680x4320 - 60 Hz

-

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 7 4800U

Official Website

AMD Ryzen 7 7840U

3.0

PCIe Version

4.0

16

PCIe Lanes

20

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