AMD EPYC 7643 vs Xeon E5 2650 v4

VS

AMD EPYC 7643

Intel Xeon E5-2650 v4

We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Xeon E5 2650 v4 with 12 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643 's Advantages

Released 5 years late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Higher base frequency (2.3GHz vs 2.2GHz)

Larger L3 cache size (256MB vs 30MB)

More modern manufacturing process (7nm vs 14nm)

Xeon E5 2650 v4 's Advantages

Lower TDP (105W vs 225W)

Score

AMD EPYC 7643

VS

Xeon E5 2650 v4

General Parameters

Mar 2021

Release Date

Mar 2016

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Broadwell-EP

AMD Socket SP3

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon E5 (Broadwell-EP)

Package

33.2 billions

Transistor Count

3.4 billions

7 nm

Manufacturing Process

14 nm

225 W

Power Consumption

105 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

246 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.2 GHz

3.6 GHz

Performance Core Turbo Frequency

2.9 GHz

48

Total Core Count

12

96

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

22.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

256 KB per core

256 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-2133

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

40

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