Intel Xeon X5660 vs AMD EPYC 7663

VS

Intel Xeon X5660

AMD EPYC 7663

We compared two server CPUs: Intel Xeon X5660 with 6 cores 2.8GHz and AMD EPYC 7663 with 56 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon X5660 's Advantages

Higher base frequency (2.8GHz vs 2GHz)

Lower TDP (95W vs 240W)

AMD EPYC 7663 's Advantages

Released 11 years late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 2)

Larger L3 cache size (256MB vs 12MB)

More modern manufacturing process (7nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon X5660

471

AMD EPYC 7663 +64%

777

Geekbench 6 Multi Core

Intel Xeon X5660

2075

AMD EPYC 7663 +205%

6330

Intel Xeon X5660

VS

AMD EPYC 7663

General Parameters

Mar 2010

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Milan

Intel Socket 1366

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC (Zen 3 (Milan))

Package

1.17 billions

Transistor Count

33.2 billions

32 nm

Manufacturing Process

7 nm

95 W

Power Consumption

240 W

Intel

Foundry

TSMC

239 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.8 GHz

Performance Core Base Frequency

2 GHz

3.2 GHz

Performance Core Turbo Frequency

3.5 GHz

6

Total Core Count

56

12

Total Thread Count

112

133 MHz

Bus Frequency

100 MHz

21.0

Multiplier

20.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

12 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

7

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-3200

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

4

-

PCIe Lanes

128

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