Intel Xeon E3 1275 vs AMD EPYC 7742

VS

Intel Xeon E3 1275 AMD EPYC 7742

We compared two server CPUs: Intel Xeon E3 1275 with 4 cores 3.4GHz and AMD EPYC 7742 with 64 cores 2.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 's Advantages

Higher base frequency (3.4GHz vs 2.25GHz)

Lower TDP (95W vs 225W)

AMD EPYC 7742 's Advantages

Released 8 years and 4 months late

Higher specification of memory (DDR4-3200 vs DDR3)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 +233%

1347

AMD EPYC 7742

404

Geekbench 6 Multi Core

Intel Xeon E3 1275 +2562%

4527

AMD EPYC 7742

170

Intel Xeon E3 1275

VS

AMD EPYC 7742

General Parameters

Apr 2011

Release Date

Aug 2019

Intel

Manufacturer

AMD

Server

Type

Server

Sandy Bridge

Core Architecture

Rome

Intel Socket 1155

Socket

AMD Socket SP3

Intel HD P3000

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

EPYC (Zen 2 (Rome))

Package

1.16 billions

Transistor Count

3.8 billions

32 nm

Manufacturing Process

7 nm

Intel Socket 1155

Socket

AMD Socket SP3

95 W

Power Consumption

225 W

Intel

Foundry

TSMC

216 mm²

Die Size

74 mm²

FC-LGA10

Package

FCLGA-4094

CPU Performance

3.4 GHz

Performance Core Base Frequency

2.25 GHz

3.8 GHz

Performance Core Turbo Frequency

3.4 GHz

4

Total Core Count

64

8

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

34.0

Multiplier

22.5

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

8 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

16

PCIe Lanes

-

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