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Comparison
Intel Xeon E5649 vs Intel Xeon E5 2640
Intel Xeon E5649 vs Intel Xeon E5 2640
VS
Intel Xeon E5649
Intel Xeon E5 2640
We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and Intel Xeon E5 2640 with 6 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5649 's Advantages
Higher base frequency (2.533GHz vs 2.5GHz)
Lower TDP (80W vs 95W)
Intel Xeon E5 2640 's Advantages
Released 1 years and 1 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 12MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E5649
411
Intel Xeon E5 2640
+94%
800
Geekbench 6 Multi Core
Intel Xeon E5649
1727
Intel Xeon E5 2640
+83%
3177
Intel Xeon E5649
VS
Intel Xeon E5 2640
General Parameters
Feb 2011
Release Date
Mar 2012
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Sandy Bridge-EP
Intel Socket 1366
Socket
Intel Socket 2011
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon E5 (Sandy Bridge-EP)
Package
1.17 billions
Transistor Count
2.27 billions
32 nm
Manufacturing Process
32 nm
Intel Socket 1366
Socket
Intel Socket 2011
80 W
Power Consumption
95 W
Intel
Foundry
Intel
239 mm²
Die Size
435 mm²
FC-LGA10
Package
FC-LGA10
CPU Performance
2.533 GHz
Performance Core Base Frequency
2.5 GHz
2.8 GHz
Performance Core Turbo Frequency
3 GHz
6
Total Core Count
6
12
Total Thread Count
12
133 MHz
Bus Frequency
100 MHz
19.0
Multiplier
25.0
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
15 MB shared
No
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR3
Memory Types
DDR3
3
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
2
PCIe Version
3
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