Intel Xeon E5 2649 v3 vs AMD EPYC 7643P

VS

Intel Xeon E5-2649 v3

AMD EPYC 7643P

We compared two server CPUs: Intel Xeon E5 2649 v3 with 10 cores 2.3GHz and AMD EPYC 7643P with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2649 v3 's Advantages

Lower TDP (105W vs 225W)

AMD EPYC 7643P 's Advantages

Released 9 years late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 25MB)

More modern manufacturing process (7nm vs 22nm)

Score

Intel Xeon E5 2649 v3

VS

AMD EPYC 7643P

General Parameters

Sep 2014

Release Date

Sep 2023

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Milan

Intel Socket 2011-3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

EPYC (Zen 3 (Milan))

Package

2.6 billions

Transistor Count

33.2 billions

22 nm

Manufacturing Process

7 nm

105 W

Power Consumption

225 W

Intel

Foundry

TSMC

356 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.3 GHz

3 GHz

Performance Core Turbo Frequency

3.6 GHz

10

Total Core Count

48

20

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

25 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

2

SMP

1

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR4-3200

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

40

PCIe Lanes

128

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