AMD EPYC 7643 vs Intel Xeon E3 1105C

VS

AMD EPYC 7643

Intel Xeon E3-1105C

We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Intel Xeon E3 1105C with 4 cores 1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643 's Advantages

Released 8 years and 10 months late

Higher specification of memory (3200 vs 3)

Higher base frequency (2.3GHz vs 1GHz)

Larger L3 cache size (256MB vs 6MB)

More modern manufacturing process (7nm vs 32nm)

Intel Xeon E3 1105C 's Advantages

Lower TDP (25W vs 225W)

Score

AMD EPYC 7643

VS

Intel Xeon E3 1105C

General Parameters

Mar 2021

Release Date

May 2012

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Gladden

AMD Socket SP3

Socket

Intel BGA 1283

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon E3 (Gladden)

Package

33.2 billions

Transistor Count

1.16 billions

7 nm

Manufacturing Process

32 nm

225 W

Power Consumption

25 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

216 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

1 GHz

3.6 GHz

Performance Core Turbo Frequency

0

48

Total Core Count

4

96

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

10.0

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

256 K per core

256 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR3

8

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

-

128

PCIe Lanes

-

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