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Intel Xeon E5-2640

Front view of Intel Xeon E5-2640
Front view of Intel Xeon E5-2630

Intel Xeon E5-2630

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Differences What are the advantages of each

Front view of Intel Xeon E5-2640

Reasons to consider the
Intel Xeon E5-2640

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Significantly higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed
Higher turbo clock speed 3 GHz vs 2.8 GHz More than 5% higher turbo clock speed
Much better overclocked clock speed (Air) 2.9 GHz vs 2.55 GHz Around 15% better overclocked clock speed (Air)
Front view of Intel Xeon E5-2630

Reasons to consider the
Intel Xeon E5-2630

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Much better performance per dollar 1.26 pt/$ vs 0.81 pt/$ More than 55% better performance per dollar
Significantly better overclocked clock speed (Water) 2.74 GHz vs 2.5 GHz Around 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-2640 vs E5-2630

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2640
9,664
Xeon E5-2630
18,000

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5-2640
2,099
Xeon E5-2630
2,086

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2640
1,400,000 MB/s
Xeon E5-2630
1,540,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-2640
16,730
Xeon E5-2630
15,759

GeekBench

Xeon E5-2640
16,730
Xeon E5-2630
15,759

PassMark Data courtesy Passmark

Xeon E5-2640
15,348
Xeon E5-2630
8,634

PassMark (Single Core)

Xeon E5-2640
1,854
Xeon E5-2630
1,634

Specifications Full list of technical specs

summary

 Xeon E5-2640  vs
E5-2630 
Clock speed 2.5 GHz 2.3 GHz
Turbo clock speed 3 GHz 2.8 GHz
Cores Hexa core Hexa core
Socket type
LGA 2011

features
Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 95W 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Performance per watt 7.66 pt/W 8.05 pt/W
Typical power consumption 77.19W 77.19W

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 42,666.64 MB/s 42,666.64 MB/s
Maximum memory size 393,216 MB 393,216 MB

details

 Xeon E5-2640  vs
E5-2630 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 15 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 30 28
Voltage range 0.6 - 1.35V 0.6 - 1.35V
Operating temperature Unknown - 73°C Unknown - 77.4°C

overclocking
Overclock popularity 3 1
Overclocked clock speed 2.9 GHz 2.55 GHz
Overclocked clock speed (Water) 2.5 GHz 2.74 GHz
Overclocked clock speed (Air) 2.9 GHz 2.55 GHz

integrated graphics
GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus
Architecture QPI QPI
Number of links 2 2
Data rate 57,600 MB/s 57,600 MB/s
Transfer rate 7,200 MT/s 7,200 MT/s
Clock speed 3,600 MHz 3,600 MHz
Intel Xeon E5-2640
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Intel Xeon E5-2630
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