Intel Xeon L5640 vs Intel Xeon E5 2643

VS

Intel Xeon L5640

Intel Xeon E5-2643

We compared two server CPUs: Intel Xeon L5640 with 6 cores 2.266GHz and Intel Xeon E5 2643 with 4 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon L5640 's Advantages

Larger L3 cache size (12MB vs 10MB)

Lower TDP (60W vs 130W)

Intel Xeon E5 2643 's Advantages

Released 2 years late

Newer PCIe version (3 vs 2)

Higher base frequency (3.3GHz vs 2.266GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon L5640

407

Intel Xeon E5 2643 +180%

1143

Geekbench 6 Multi Core

Intel Xeon L5640

1582

Intel Xeon E5 2643 +205%

4836

Intel Xeon L5640

VS

Intel Xeon E5 2643

General Parameters

Mar 2010

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Sandy Bridge-EP

Intel Socket 1366

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

1.17 billions

Transistor Count

1.27 billions

32 nm

Manufacturing Process

32 nm

60 W

Power Consumption

130 W

Intel

Foundry

Intel

239 mm²

Die Size

294 mm²

CPU Performance

2.266 GHz

Performance Core Base Frequency

3.3 GHz

2.8 GHz

Performance Core Turbo Frequency

3.5 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

17.0

Multiplier

33.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

10 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

Related CPU Comparisons

1

Intel Xeon L5640 vs AMD EPYC 7303P

2

Intel Xeon L5640 vs Intel Xeon E5630

3

Intel Xeon L5640 vs AMD EPYC 7302P

4

Intel Xeon L5640 vs Intel Xeon E5 4648 v3

5

Intel Xeon L5640 vs Opteron 8220 SE (F2)

6

Intel Xeon L5640 vs Intel Xeon E5 2670 v2

7

Intel Xeon L5640 vs AMD EPYC 4364P

8

Intel Xeon L5640 vs Intel Xeon Platinum 8354H

9

Intel Xeon L5640 vs Intel Xeon E5 2609 v2

10

Intel Xeon L5640 vs Intel Xeon E5 2643

Related News

1

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

2

CXMT Reportedly Achieves 80% Yield in DDR5 Production

3

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

4

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

5

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

6

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

7

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

8

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

9

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

10

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip