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Comparison
Intel Xeon E5 2640 vs Intel Xeon X5660
Intel Xeon E5 2640 vs Intel Xeon X5660
VS
Intel Xeon E5 2640
Intel Xeon X5660
We compared two server CPUs: Intel Xeon E5 2640 with 6 cores 2.5GHz and Intel Xeon X5660 with 6 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2640 's Advantages
Released 2 years late
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 12MB)
Intel Xeon X5660 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E5 2640
+69%
800
Intel Xeon X5660
471
Geekbench 6 Multi Core
Intel Xeon E5 2640
+53%
3177
Intel Xeon X5660
2075
Intel Xeon E5 2640
VS
Intel Xeon X5660
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
Intel Socket 2011
Socket
Intel Socket 1366
95 W
Power Consumption
95 W
Intel
Foundry
Intel
435 mm²
Die Size
239 mm²
FC-LGA10
Package
FC-LGA10
CPU Performance
2.5 GHz
Performance Core Base Frequency
2.8 GHz
3 GHz
Performance Core Turbo Frequency
3.2 GHz
6
Total Core Count
6
12
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
25.0
Multiplier
21.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
15 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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