AMD Ryzen 5 7640U vs AMD Ryzen 7 4700U

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We compared two laptop CPUs: AMD Ryzen 5 7640U with 6 cores 3.5GHz and AMD Ryzen 7 4700U with 8 cores 2.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 7640U 's Advantages

Released 3 years and 4 months late

Better graphics card performance

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

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.5GHz vs 2.0GHz)

Larger L3 cache size (16MB vs 8MB)

AMD Ryzen 7 4700U 's Advantages

Lower TDP (10W vs 15W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 7640U +35%

1648

AMD Ryzen 7 4700U

1217

Cinebench R23 Multi Core

AMD Ryzen 5 7640U +49%

11059

AMD Ryzen 7 4700U

7376

Geekbench 6 Single Core

AMD Ryzen 5 7640U +59%

2409

AMD Ryzen 7 4700U

1512

Geekbench 6 Multi Core

AMD Ryzen 5 7640U +82%

10335

AMD Ryzen 7 4700U

5648

Blender

AMD Ryzen 5 7640U +82%

177

AMD Ryzen 7 4700U

97

Geekbench 5 Single Core

AMD Ryzen 5 7640U +65%

1859

AMD Ryzen 7 4700U

1125

Geekbench 5 Multi Core

AMD Ryzen 5 7640U +79%

8800

AMD Ryzen 7 4700U

4903

Passmark CPU Single Core

AMD Ryzen 5 7640U +43%

3601

AMD Ryzen 7 4700U

2510

Passmark CPU Multi Core

AMD Ryzen 5 7640U +66%

22321

AMD Ryzen 7 4700U

13373

AMD Ryzen 5 7640U

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AMD Ryzen 7 4700U

General Parameters

May 2023

Release Date

Jan 2020

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 2

FP8

Socket

FP6

Radeon 760M

Integrated Graphics

Radeon Vega 7

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

6

Performance Cores

8

12

Performance Core Threads

8

3.5 GHz

Performance Core Base Frequency

2.0 GHz

4.9 GHz

Performance Core Turbo Frequency

4.1 GHz

6

Total Core Count

8

12

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

20x

64 K per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

8 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

68.27 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

300 MHz

2600 MHz

GPU Max Dynamic Frequency

1600 MHz

384

Shader Units

448

24

Texture Units

28

16

Raster Operation Units

7

6

Execution Units

-

15 W

Power Consumption

10-45 W

4.06 TFLOPS

Graphics Performance

1.108 TFLOPS

Miscellaneous

AMD Ryzen 5 7640U

Official Website

AMD Ryzen 7 4700U

4.0

PCIe Version

3.0

20

PCIe Lanes

16

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