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Differences What are the advantages of each

Front view of Intel Xeon E3-1270 v2

Reasons to consider the
Intel Xeon E3-1270 v2

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.5 GHz vs 3.4 GHz Around 5% higher clock speed
Higher turbo clock speed 3.9 GHz vs 3.8 GHz Around 5% higher turbo clock speed
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 56.06W vs 65W Around 15% lower typical power consumption
Newer May, 2012 vs Apr, 2011 Release date over 1 years later
Lower annual commercial energy cost 60.44 $/year vs 70.08 $/year Around 15% lower annual commercial energy cost
Lower annual home energy cost 16.62 $/year vs 19.27 $/year Around 15% lower annual home energy cost
Front view of Intel Xeon E3-1270

Reasons to consider the
Intel Xeon E3-1270

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Much better performance per watt 10.91 pt/W vs 3.51 pt/W More than 3x better performance per watt
Much better performance per dollar 2.6 pt/$ vs 0.68 pt/$ More than 3.8x better performance per dollar

Benchmarks Real world tests of Xeon E3-1270 v2 vs E3-1270

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 E3-1270 v2
2,620 MB/s
Xeon E3-1270
1,980,000 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 E3-1270 v2  vs
E3-1270 
Clock speed 3.5 GHz 3.4 GHz
Turbo clock speed 3.9 GHz 3.8 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 80W
Annual home energy cost 16.62 $/year 19.27 $/year
Annual commercial energy cost 60.44 $/year 70.08 $/year
Performance per watt 3.51 pt/W 10.91 pt/W
Typical power consumption 56.06W 65W

bus

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

details

Xeon E3-1270 v2  vs
E3-1270 
Architecture x86-64 x86-64
Threads 8 8
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 32 nm
Max CPUs 1 1
Clock multiplier 35 34

overclocking

Overclock popularity 0 1

integrated graphics

GPU GPU None
Number of displays supported 0 N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 33,556.48 MB 32,768 MB
Intel Xeon E3-1270 v2
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Intel Xeon E3-1270
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