Intel Xeon E3 1280 vs AMD EPYC 7443

VS

Intel Xeon E3-1280

AMD EPYC 7443

We compared two server CPUs: Intel Xeon E3 1280 with 4 cores 3.5GHz and AMD EPYC 7443 with 24 cores 2.85GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1280 's Advantages

Higher base frequency (3.5GHz vs 2.85GHz)

Lower TDP (95W vs 200W)

AMD EPYC 7443 's Advantages

Released 9 years and 11 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 3)

Larger L3 cache size (128MB vs 8MB)

More modern manufacturing process (7nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1280

1348

AMD EPYC 7443 +40%

1889

Geekbench 6 Multi Core

Intel Xeon E3 1280 +31%

4533

AMD EPYC 7443

3458

Intel Xeon E3 1280

VS

AMD EPYC 7443

General Parameters

Apr 2011

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Sandy Bridge

Core Architecture

Milan

Intel Socket 1155

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

EPYC (Zen 3 (Milan))

Package

1.16 billions

Transistor Count

16.6 billions

32 nm

Manufacturing Process

7 nm

95 W

Power Consumption

200 W

Intel

Foundry

TSMC

216 mm²

Die Size

4x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.85 GHz

3.9 GHz

Performance Core Turbo Frequency

4 GHz

4

Total Core Count

24

8

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

28.5

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

8 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

6

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

128

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