AMD Ryzen Embedded 8640U vs AMD EPYC 7742

VS

We compared two server CPUs: AMD Ryzen Embedded 8640U with 6 cores 3.5GHz and AMD EPYC 7742 with 64 cores 2.25GHz . 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 4 years and 8 months late

Higher specification of memory (DDR5-5600 vs DDR4-3200)

Higher base frequency (3.5GHz vs 2.25GHz)

More modern manufacturing process (4nm vs 7nm)

Lower TDP (28W vs 225W)

AMD EPYC 7742 's Advantages

Larger L3 cache size (256MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen Embedded 8640U +523%

2519

AMD EPYC 7742

404

Geekbench 6 Multi Core

AMD Ryzen Embedded 8640U +5963%

10308

AMD EPYC 7742

170

AMD Ryzen Embedded 8640U

VS

AMD EPYC 7742

General Parameters

Apr 2024

Release Date

Aug 2019

AMD

Manufacturer

AMD

Server

Type

Server

Hawk Point

Core Architecture

Rome

AMD Socket FP8

Socket

AMD Socket SP3

Radeon 760M

Integrated Graphics

N/A

Ryzen Embedded (Zen 4 (Hawk Point))

Generation

EPYC (Zen 2 (Rome))

Package

25 billions

Transistor Count

3.8 billions

4 nm

Manufacturing Process

7 nm

AMD Socket FP8

Socket

AMD Socket SP3

28 W

Power Consumption

225 W

TSMC

Foundry

TSMC

178 mm²

Die Size

74 mm²

FP8, FP7, FP7r2

Package

FCLGA-4094

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.25 GHz

4.9 GHz

Performance Core Turbo Frequency

3.4 GHz

6

Total Core Count

64

12

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

22.5

64 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR5-5600

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

4

20

PCIe Lanes

-

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