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Differences What are the advantages of each

Front view of Intel Xeon E3-1240 v2

Reasons to consider the
Intel Xeon E3-1240 v2

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Significantly higher clock speed 3.4 GHz vs 3.2 GHz More than 5% higher clock speed
Higher turbo clock speed 3.8 GHz vs 3.6 GHz More than 5% higher turbo clock speed
More threads 8 vs 4 Twice as many threads
Lower typical power consumption 56.06W vs 62.56W More than 10% lower typical power consumption
Lower annual commercial energy cost 60.44 $/year vs 67.45 $/year More than 10% lower annual commercial energy cost
Lower annual home energy cost 16.62 $/year vs 18.55 $/year More than 10% lower annual home energy cost
Front view of Intel Xeon E3-1225 v2

Reasons to consider the
Intel Xeon E3-1225 v2

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Xeon E3-1240 v2 vs E3-1225 v2

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1240 v2
2,500,000 MB/s
Xeon E3-1225 v2
2,350,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1240 v2  vs
E3-1225 v2 
Clock speed 3.4 GHz 3.2 GHz
Turbo clock speed 3.8 GHz 3.6 GHz
Cores Quad core Quad core
Socket type
LGA 1155

features

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

power consumption

TDP 69W 77W
Annual home energy cost 16.62 $/year 18.55 $/year
Annual commercial energy cost 60.44 $/year 67.45 $/year
Performance per watt 15.68 pt/W 9.38 pt/W
Typical power consumption 56.06W 62.56W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Xeon E3-1240 v2  vs
E3-1225 v2 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 34 32

overclocking

Overclock popularity 10 0

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics P4000
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,250 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 33,556.48 MB 33,556.48 MB
Intel Xeon E3-1240 v2
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Intel Xeon E3-1225 v2
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