AMD EPYC 7773X vs Xeon E7520

VS

AMD EPYC 7773X

Intel Xeon E7520

We compared two server CPUs: AMD EPYC 7773X with 64 cores 2.2GHz and Xeon E7520 with 4 cores 1.866GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7773X 's Advantages

Released 12 years late

Higher specification of memory (3200 vs 1333)

Newer PCIe version (4 vs 2)

Higher base frequency (2.2GHz vs 1.866GHz)

Larger L3 cache size (768MB vs 18MB)

More modern manufacturing process (7nm vs 45nm)

Xeon E7520 's Advantages

Lower TDP (95W vs 280W)

Score

AMD EPYC 7773X

VS

Xeon E7520

General Parameters

Mar 2022

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Milan-X

Core Architecture

Nehalem-EX

AMD Socket SP3

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon(Beckton)

Package

33.2 billions

Transistor Count

2.3 billions

7 nm

Manufacturing Process

45 nm

280 W

Power Consumption

95 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

684 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.2 GHz

Performance Core Base Frequency

1.866 GHz

3.5 GHz

Performance Core Turbo Frequency

0

64

Total Core Count

4

128

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

22.0

Multiplier

14.0

64 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

256 KB per core

768 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

2

SMP

8

Memory Parameters

DDR4-3200

Memory Types

DDR3-1333

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

128

PCIe Lanes

-

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