AMD EPYC 7451 vs AMD Ryzen Embedded 8645HS

VS

AMD EPYC 7451

AMD Ryzen Embedded 8645HS

We compared two server CPUs: AMD EPYC 7451 with 24 cores 2.3GHz and AMD Ryzen Embedded 8645HS with 6 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7451 's Advantages

Larger L3 cache size (64MB vs 16MB)

AMD Ryzen Embedded 8645HS 's Advantages

Released 6 years and 10 months late

Higher specification of memory (5600 vs 2666)

Newer PCIe version (4 vs 3)

Higher base frequency (4.3GHz vs 2.3GHz)

More modern manufacturing process (4nm vs 14nm)

Lower TDP (45W vs 180W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7451

879

AMD Ryzen Embedded 8645HS +173%

2405

Geekbench 6 Multi Core

AMD EPYC 7451

5142

AMD Ryzen Embedded 8645HS +93%

9933

AMD EPYC 7451

VS

AMD Ryzen Embedded 8645HS

General Parameters

Jun 2017

Release Date

Apr 2024

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Hawk Point

AMD Socket SP3

Socket

AMD Socket FP8

N/A

Integrated Graphics

Radeon 760M

EPYC (Zen (Naples))

Generation

Ryzen Embedded (Zen 4 (Hawk Point))

Package

4.8 billions

Transistor Count

25 billions

14 nm

Manufacturing Process

4 nm

180 W

Power Consumption

45 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

178 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

4.3 GHz

3.2 GHz

Performance Core Turbo Frequency

5 GHz

24

Total Core Count

6

48

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

43.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR5-5600

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

-

PCIe Lanes

20

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