Intel Xeon E5 1660 v3 vs AMD EPYC 7643

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Intel Xeon E5-1660 v3

AMD EPYC 7643

We compared two server CPUs: Intel Xeon E5 1660 v3 with 8 cores 3GHz and AMD EPYC 7643 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 1660 v3 's Advantages

Higher base frequency (3GHz vs 2.3GHz)

Lower TDP (140W vs 225W)

AMD EPYC 7643 's Advantages

Released 6 years and 6 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 20MB)

More modern manufacturing process (7nm vs 22nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 1660 v3

1458

AMD EPYC 7643 +16%

1696

Geekbench 6 Multi Core

Intel Xeon E5 1660 v3

8915

AMD EPYC 7643 +11%

9939

Intel Xeon E5 1660 v3

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AMD EPYC 7643

General Parameters

Sep 2014

Release Date

Mar 2021

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

140 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

3 GHz

Performance Core Base Frequency

2.3 GHz

3.5 GHz

Performance Core Turbo Frequency

3.6 GHz

8

Total Core Count

48

16

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

30.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

20 MB shared

L3 Cache

256 MB shared

Yes

Unlocked Multiplier

No

-

Cores per CCD

6

1

SMP

2

Memory Parameters

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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