AMD EPYC 7303 vs Intel Xeon E5 2666 v3

VS

AMD EPYC 7303

Intel Xeon E5-2666 v3

We compared two server CPUs: AMD EPYC 7303 with 16 cores 2.4GHz and Intel Xeon E5 2666 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7303 's Advantages

Released 8 years and 10 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Larger L3 cache size (64MB vs 25MB)

More modern manufacturing process (7nm vs 22nm)

Lower TDP (130W vs 135W)

Intel Xeon E5 2666 v3 's Advantages

Higher base frequency (2.9GHz vs 2.4GHz)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7303 +53%

1605

Intel Xeon E5 2666 v3

1046

Geekbench 6 Multi Core

AMD EPYC 7303 +116%

13363

Intel Xeon E5 2666 v3

6173

AMD EPYC 7303

VS

Intel Xeon E5 2666 v3

General Parameters

Sep 2023

Release Date

Nov 2014

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Haswell-EP

AMD Socket SP3

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon E5 (Haswell-EP)

Package

8.3 billions

Transistor Count

2.6 billions

7 nm

Manufacturing Process

22 nm

130 W

Power Consumption

135 W

TSMC

Foundry

Intel

2x81 mm²

Die Size

356 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.9 GHz

3.4 GHz

Performance Core Turbo Frequency

3.5 GHz

16

Total Core Count

10

32

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

29.0

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

256 K per core

64 MB shared

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-2133,DDR3-2133

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

40

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