AMD Ryzen Embedded 8640U vs Ryzen 5 PRO 7645

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AMD Ryzen Embedded 8640U

AMD Ryzen 5 PRO 7645

We compared two server CPUs: AMD Ryzen Embedded 8640U with 6 cores 3.5GHz and Ryzen 5 PRO 7645 with 6 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen Embedded 8640U 's Advantages

Released 10 months late

Higher specification of memory (5600 vs 5200)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (28W vs 65W)

Ryzen 5 PRO 7645 's Advantages

Newer PCIe version (5 vs 4)

Higher base frequency (3.8GHz vs 3.5GHz)

Larger L3 cache size (32MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen Embedded 8640U

2519

Ryzen 5 PRO 7645 +10%

2782

Geekbench 6 Multi Core

AMD Ryzen Embedded 8640U

10308

Ryzen 5 PRO 7645 +20%

12396

AMD Ryzen Embedded 8640U

VS

Ryzen 5 PRO 7645

General Parameters

Apr 2024

Release Date

Jun 2023

AMD

Manufacturer

AMD

Server

Type

Server

Hawk Point

Core Architecture

Raphael

AMD Socket FP8

Socket

AMD Socket AM5

Radeon 760M

Integrated Graphics

Radeon Graphics

Ryzen Embedded (Zen 4 (Hawk Point))

Generation

Ryzen 5 (Zen 4 (Raphael))

Package

25 billions

Transistor Count

6.57 billions

4 nm

Manufacturing Process

5 nm

28 W

Power Consumption

65 W

-

Peak Operating Temperature

61 °C

TSMC

Foundry

TSMC

178 mm²

Die Size

71 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

122 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

3.8 GHz

4.9 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

38.0

64 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600

Memory Types

DDR5-5200

2

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

20

PCIe Lanes

24

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