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Comparison
Intel Xeon E5640 vs Intel Xeon X5660
Intel Xeon E5640 vs Intel Xeon X5660
VS
Intel Xeon E5640
Intel Xeon X5660
We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz 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 E5640 's Advantages
Lower TDP (80W vs 95W)
Intel Xeon X5660 's Advantages
Higher base frequency (2.8GHz vs 2.666GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E5640
437
Intel Xeon X5660
+7%
471
Geekbench 6 Multi Core
Intel Xeon E5640
+18%
2456
Intel Xeon X5660
2075
Intel Xeon E5640
VS
Intel Xeon X5660
General Parameters
Mar 2010
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Westmere-EP
Intel Socket 1366
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon (Westmere-EP)
Package
1.17 billions
Transistor Count
1.17 billions
32 nm
Manufacturing Process
32 nm
Intel Socket 1366
Socket
Intel Socket 1366
80 W
Power Consumption
95 W
Intel
Foundry
Intel
239 mm²
Die Size
239 mm²
FC-LGA10
Package
FC-LGA10
CPU Performance
2.666 GHz
Performance Core Base Frequency
2.8 GHz
2.933 GHz
Performance Core Turbo Frequency
3.2 GHz
4
Total Core Count
6
8
Total Thread Count
12
133 MHz
Bus Frequency
133 MHz
20.0
Multiplier
21.0
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
12 MB shared
No
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR3
Memory Types
DDR3
3
Max Memory Channels
3
Yes
ECC Memory Support
Yes
Miscellaneous
2
PCIe Version
2
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