Intel Xeon E5649 vs AMD EPYC 9845

VS

Intel Xeon E5649

AMD EPYC 9845

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and AMD EPYC 9845 with 160 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5649 's Advantages

Higher base frequency (2.533GHz vs 2.1GHz)

Lower TDP (80W vs 390W)

AMD EPYC 9845 's Advantages

Released 13 years and 8 months late

Higher specification of memory (6000 vs 3)

Newer PCIe version (5 vs 2)

Larger L3 cache size (320MB vs 12MB)

More modern manufacturing process (3nm vs 32nm)

Score

Intel Xeon E5649

VS

AMD EPYC 9845

General Parameters

Feb 2011

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Turin

Intel Socket 1366

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC(Zen 5c (Turin))

Package

1.17 billions

Transistor Count

32 nm

Manufacturing Process

3 nm

80 W

Power Consumption

390 W

Intel

Foundry

TSMC

239 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

160

-

Performance Core Threads

320

2.533 GHz

Performance Core Base Frequency

2.1 GHz

2.8 GHz

Performance Core Turbo Frequency

3.7 GHz

6

Total Core Count

160

12

Total Thread Count

320

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

21.0

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

320 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

3

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9845

2

PCIe Version

5

-

PCIe Lanes

128

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