AMD Ryzen 5 PRO 8640U vs AMD Ryzen 5 7645HX

VS

AMD Ryzen 5 PRO 8640U AMD Ryzen 5 7645HX

We compared two laptop CPUs: AMD Ryzen 5 PRO 8640U with 6 cores 3.5GHz and AMD Ryzen 5 7645HX with 6 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 PRO 8640U 's Advantages

Released 1 years and 3 months late

Higher specification of memory (DDR5-5600 vs DDR5-5200)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (28W vs 45W)

AMD Ryzen 5 7645HX 's Advantages

Integrated graphics card

Newer PCIe version (5.0 vs 4)

Higher base frequency (4.0GHz vs 3.5GHz)

Larger L3 cache size (32MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8640U

2519

AMD Ryzen 5 7645HX +7%

2720

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8640U

10308

AMD Ryzen 5 7645HX +15%

11906

AMD Ryzen 5 PRO 8640U

VS

AMD Ryzen 5 7645HX

General Parameters

Apr 2024

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen 4 (Dragon Range)

AMD Socket FP7

Socket

FL1

Radeon 760M

Integrated Graphics

Radeon 610M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

5 nm

AMD Socket FP7

Socket

FL1

28 W

Power Consumption

45-75 W

-

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

FP7, FP7r2

Package

-

CPU Performance

-

Performance Cores

6

-

Performance Core Threads

12

3.5 GHz

Performance Core Base Frequency

4.0 GHz

4.9 GHz

Performance Core Turbo Frequency

5 GHz

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

40x

64 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR5-5200

-

Max Memory Size

64 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

-

GPU Max Dynamic Frequency

2200 MHz

-

Shader Units

128

-

Texture Units

8

-

Raster Operation Units

4

-

Execution Units

2

-

Power Consumption

15 W

-

Graphics Performance

0.49 TFLOPS

Miscellaneous

-

Official Website

AMD Ryzen 5 7645HX

4

PCIe Version

5.0

20

PCIe Lanes

28

Related CPU Comparisons

1

AMD Ryzen 5 PRO 8640U vs Intel Core i3 1110G4

2

AMD Ryzen 7 6800H vs AMD Ryzen 5 PRO 8640U

3

AMD Ryzen 3 3300U vs AMD Ryzen 5 PRO 8640U

4

Intel Core i7 11800H vs AMD Ryzen 5 PRO 8640U

5

Intel Pentium Gold 6405U vs AMD Ryzen 5 PRO 8640U

6

Intel Core i5 1340P vs AMD Ryzen 5 PRO 8640U

7

Intel Pentium Silver N5030 vs AMD Ryzen 5 PRO 8640U

8

AMD Ryzen 7 6800H vs AMD Ryzen 5 7645HX

9

AMD Ryzen 5 PRO 8640U vs AMD Ryzen 9 5900HX

10

AMD Ryzen 5 PRO 8640U vs Intel Core i5 1230U

Related News

1

NVIDIA to Ramp Up Orders and Add New Suppliers to Meet Explosive Demand for Blackwell Products

2

NVIDIA Informs Brands of Reduced Supply for RTX 40 Series GPUs

3

Only 3 Weeks Left! AMD Zen5 Launching Soon

4

Ilya Departs OpenAI to Launch New Company Aiming at Superintelligence!

5

Comprehensive Overview of AMD Ryzen 9000 Zen5 Desktop CPUs

6

Intel May Increase Base Frequencies for Arrow Lake-S / H / HX, High-End Chips to Reach 3GHz or Higher

7

It's 2024: This Company Released a Laptop Supporting DOS and Windows 95

8

AMD's Strix Halo Supports Up to 128GB Memory, Clearly Designed for AI Large Language Models

9

AMD to Launch Advanced Ryzen AI PRO Series Soon

10

Intel Delays Lunar Lake Shipment: Postponed from June to September