AMD EPYC 7502 vs AMD EPYC 7643

VS

AMD EPYC 7502

AMD EPYC 7643

We compared two server CPUs: AMD EPYC 7502 with 32 cores 2.5GHz and AMD EPYC 7643 with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7502 's Advantages

Higher base frequency (2.5GHz vs 2.3GHz)

Lower TDP (180W vs 225W)

AMD EPYC 7643 's Advantages

Released 1 years and 7 months late

Larger L3 cache size (256MB vs 128MB)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7502

1225

AMD EPYC 7643 +38%

1696

Geekbench 6 Multi Core

AMD EPYC 7502 +17%

11663

AMD EPYC 7643

9939

AMD EPYC 7502

VS

AMD EPYC 7643

General Parameters

Aug 2019

Release Date

Mar 2021

AMD

Manufacturer

AMD

Server

Type

Server

Rome

Core Architecture

Milan

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 2 (Rome))

Generation

EPYC (Zen 3 (Milan))

Package

3.8 billions

Transistor Count

33.2 billions

7 nm

Manufacturing Process

7 nm

180 W

Power Consumption

225 W

TSMC

Foundry

TSMC

74 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.3 GHz

3.35 GHz

Performance Core Turbo Frequency

3.6 GHz

32

Total Core Count

48

64

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

23.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

512 KB per core

128 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

6

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

4

-

PCIe Lanes

128

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