AMD EPYC 7251 vs Xeon E5335

VS

AMD EPYC 7251

Intel Xeon E5335

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and Xeon E5335 with 4 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7251 's Advantages

Released 10 years and 7 months late

Higher specification of memory (2400 vs 3)

Higher base frequency (2.1GHz vs 2GHz)

More modern manufacturing process (14nm vs 65nm)

Xeon E5335 's Advantages

Lower TDP (80W vs 120W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7251 +224%

781

Xeon E5335

241

Geekbench 6 Multi Core

AMD EPYC 7251 +373%

3651

Xeon E5335

771

Geekbench 5 Single Core

AMD EPYC 7251 +108%

537

Xeon E5335

258

Geekbench 5 Multi Core

AMD EPYC 7251 +22%

540

Xeon E5335

442

AMD EPYC 7251

VS

Xeon E5335

General Parameters

Jun 2017

Release Date

Nov 2006

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Clovertown

AMD Socket SP3

Socket

Intel Socket 771

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon (Clovertown)

Package

4.8 billions

Transistor Count

0.582 billions

14 nm

Manufacturing Process

65 nm

120 W

Power Consumption

80 W

81 °C

Peak Operating Temperature

66 °C

GlobalFoundries

Foundry

-

213 mm²

Die Size

2x143 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

2 GHz

2.9 GHz

Performance Core Turbo Frequency

0

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

333 MHz

21.0

Multiplier

6.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

4 MB per die

32 MB shared

L3 Cache

-

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2400

Memory Types

DDR2, DDR3

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

0

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