Home Comparison Intel Xeon E5 2665 vs Intel Xeon L5638

Intel Xeon E5 2665 vs Intel Xeon L5638

Intel Xeon E5 2665
VS
Intel Xeon L5638
Intel Xeon E5-2665
Intel Xeon L5638
We compared two server CPUs: Intel Xeon E5 2665 with 8 cores 2.4GHz and Intel Xeon L5638 with 6 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2665 's Advantages
Released 2 years late
Newer PCIe version (3 vs 2)
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (20MB vs 12MB)
Intel Xeon L5638 's Advantages
Lower TDP (60W vs 115W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5 2665 +43%
554
Intel Xeon L5638
385
Geekbench 6 Multi Core
Intel Xeon E5 2665 +88%
4680
Intel Xeon L5638
2487
Intel Xeon E5 2665
VS
Intel Xeon L5638

General Parameters

Mar 2012
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Sandy Bridge-EP
Core Architecture
Westmere-EP
Intel Socket 2011
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon E5 (Sandy Bridge-EP)
Generation
Xeon (Westmere-EP)

Package

2.27 billions
Transistor Count
1.17 billions
32 nm
Manufacturing Process
32 nm
115 W
Power Consumption
60 W
Intel
Foundry
Intel
435 mm²
Die Size
239 mm²

CPU Performance

2.4 GHz
Performance Core Base Frequency
2 GHz
3.1 GHz
Performance Core Turbo Frequency
2.4 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
24.0
Multiplier
15.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR3
Memory Types
DDR3
4
Max Memory Channels
3
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
2

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