AMD Ryzen 7 3700U vs AMD Ryzen 7 7840H

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We compared two laptop CPUs: AMD Ryzen 7 3700U with 4 cores 2.3GHz 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 7 3700U 's Advantages

Lower TDP (12W vs 35W)

AMD Ryzen 7 7840H 's Advantages

Released 4 years late

Better graphics card performance

Higher specification of memory (DDR5-5600 vs DDR4-2400)

Larger memory bandwidth (89.6GB/s vs 35.76GB/s)

Newer PCIe version (4 vs 3.0)

Higher base frequency (3.8GHz vs 2.3GHz)

Larger L3 cache size (16MB vs 4MB)

More modern manufacturing process (4nm vs 12nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 3700U

937

AMD Ryzen 7 7840H +92%

1800

Cinebench R23 Multi Core

AMD Ryzen 7 3700U

3821

AMD Ryzen 7 7840H +368%

17887

Geekbench 6 Single Core

AMD Ryzen 7 3700U

809

AMD Ryzen 7 7840H +224%

2625

Geekbench 6 Multi Core

AMD Ryzen 7 3700U

2380

AMD Ryzen 7 7840H +396%

11813

Blender

AMD Ryzen 7 3700U

45

AMD Ryzen 7 7840H +337%

197

Geekbench 5 Single Core

AMD Ryzen 7 3700U

860

AMD Ryzen 7 7840H +121%

1909

Geekbench 5 Multi Core

AMD Ryzen 7 3700U

2751

AMD Ryzen 7 7840H +317%

11494

Passmark CPU Single Core

AMD Ryzen 7 3700U

1976

AMD Ryzen 7 7840H +99%

3947

Passmark CPU Multi Core

AMD Ryzen 7 3700U

7197

AMD Ryzen 7 7840H +292%

28248

AMD Ryzen 7 3700U

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AMD Ryzen 7 7840H

General Parameters

Jan 2019

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Picasso

Core Architecture

Phoenix

FP5

Socket

AMD Socket FP8

Radeon Vega 10

Integrated Graphics

Radeon 780M

-

Generation

Ryzen 7 (Zen 4 (Phoenix))

Package

4.9 billions

Transistor Count

25 billions

12 nm

Manufacturing Process

4 nm

FP5

Socket

AMD Socket FP8

12-35 W

Power Consumption

35 W

105 °C

Peak Operating Temperature

100 °C

-

Foundry

TSMC

-

Die Size

178 mm²

-

Package

FP8, FP7, FP7r2

CPU Performance

4

Performance Cores

-

8

Performance Core Threads

-

2.3 GHz

Performance Core Base Frequency

3.8 GHz

4 GHz

Performance Core Turbo Frequency

5.1 GHz

4

Total Core Count

8

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

23x

Multiplier

38.0

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

4 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-2400

Memory Types

DDR5-5600

32 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

35.76 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

-

1400 MHz

GPU Max Dynamic Frequency

2700 MHz

640

Shader Units

-

40

Texture Units

-

8

Raster Operation Units

-

10

Execution Units

12

10 W

Power Consumption

-

3840x2160 - 60 Hz

Max Resolution

-

1.664 TFLOPS

Graphics Performance

10 TFLOPS

Miscellaneous

AMD Ryzen 7 3700U

Official Website

AMD Ryzen 7 7840H

3.0

PCIe Version

4

12

PCIe Lanes

20

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