Home Comparison Intel Xeon E5 2640 vs Intel Xeon X5660

Intel Xeon E5 2640 vs Intel Xeon X5660

Intel Xeon E5 2640
VS
Intel Xeon X5660
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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