AMD Ryzen 7 3700U vs AMD Ryzen 7 7840HS

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We compared two laptop CPUs: AMD Ryzen 7 3700U with 4 cores 2.3GHz and AMD Ryzen 7 7840HS 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 7840HS 's Advantages

Released 4 years late

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs DDR4-2400)

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

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.8GHz vs 2.3GHz)

Larger L3 cache size (16MB vs 4MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 3700U

937

AMD Ryzen 7 7840HS +92%

1803

Cinebench R23 Multi Core

AMD Ryzen 7 3700U

3821

AMD Ryzen 7 7840HS +349%

17192

Geekbench 6 Single Core

AMD Ryzen 7 3700U

809

AMD Ryzen 7 7840HS +222%

2605

Geekbench 6 Multi Core

AMD Ryzen 7 3700U

2380

AMD Ryzen 7 7840HS +411%

12167

Blender

AMD Ryzen 7 3700U

45

AMD Ryzen 7 7840HS +488%

265

Geekbench 5 Single Core

AMD Ryzen 7 3700U

860

AMD Ryzen 7 7840HS +122%

1915

Geekbench 5 Multi Core

AMD Ryzen 7 3700U

2751

AMD Ryzen 7 7840HS +308%

11238

Passmark CPU Single Core

AMD Ryzen 7 3700U

1976

AMD Ryzen 7 7840HS +91%

3790

Passmark CPU Multi Core

AMD Ryzen 7 3700U

7197

AMD Ryzen 7 7840HS +302%

28995

AMD Ryzen 7 3700U

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AMD Ryzen 7 7840HS

General Parameters

Jan 2019

Release Date

Jan 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Picasso

Core Architecture

Zen 4 (Phoenix)

FP5

Socket

FP8

Radeon Vega 10

Integrated Graphics

Radeon 780M

Package

4.9 billions

Transistor Count

25 billions

12 nm

Manufacturing Process

4 nm

FP5

Socket

FP8

12-35 W

Power Consumption

35-54 W

105 °C

Peak Operating Temperature

100°C

CPU Performance

4

Performance Cores

8

Performance Core Threads

16

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

38x

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

Memory Parameters

DDR4-2400

Memory Types

DDR5-5600, LPDDR5x-7500

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

800 MHz

1400 MHz

GPU Max Dynamic Frequency

2700 MHz

640

Shader Units

768

40

Texture Units

48

8

Raster Operation Units

32

10

Execution Units

12

10 W

Power Consumption

15 W

3840x2160 - 60 Hz

Max Resolution

7680x4320 - 60 Hz

1.664 TFLOPS

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 7 3700U

Official Website

AMD Ryzen 7 7840HS

3.0

PCIe Version

4.0

12

PCIe Lanes

20

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