Home Comparison Xeon E5540 vs Intel Xeon E5 2665

Xeon E5540 vs Intel Xeon E5 2665

Xeon E5540
VS
Intel Xeon E5 2665
Intel Xeon E5540
Intel Xeon E5-2665
We compared two server CPUs: Xeon E5540 with 4 cores 2.533GHz and Intel Xeon E5 2665 with 8 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E5540 's Advantages
Higher specification of memory (1066 vs 3)
Higher base frequency (2.533GHz vs 2.4GHz)
Lower TDP (80W vs 115W)
Intel Xeon E5 2665 's Advantages
Released 3 years late
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)

Score

Xeon E5540
VS
Intel Xeon E5 2665

General Parameters

Mar 2009
Release Date
Mar 2012
Intel
Manufacturer
Intel
Server
Type
Server
Gainestown
Core Architecture
Sandy Bridge-EP
Intel Socket 1366
Socket
Intel Socket 2011
N/A
Integrated Graphics
N/A
Xeon(Gainestown)
Generation
Xeon E5 (Sandy Bridge-EP)

Package

0.731 billions
Transistor Count
2.27 billions
45 nm
Manufacturing Process
32 nm
80 W
Power Consumption
115 W
Intel
Foundry
Intel
263 mm²
Die Size
435 mm²

CPU Performance

2.533 GHz
Performance Core Base Frequency
2.4 GHz
2.8 GHz
Performance Core Turbo Frequency
3.1 GHz
4
Total Core Count
8
8
Total Thread Count
16
133 MHz
Bus Frequency
100 MHz
19.0
Multiplier
24.0
64 KB per core
L1 Cache
64 K per core
256 KB per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
20 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR3-1066
Memory Types
DDR3
3
Max Memory Channels
4
Yes
ECC Memory Support
Yes

Miscellaneous

2
PCIe Version
3

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