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Differences What are the advantages of each

Front view of Intel Xeon E3-1265L v2

Reasons to consider the
Intel Xeon E3-1265L v2

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Much better performance per watt 19.91 pt/W vs 7.25 pt/W Around 2.8x better performance per watt
Significantly lower typical power consumption 36.56W vs 62.56W More than 40% lower typical power consumption
Much better performance per dollar 2.8 pt/$ vs 2.33 pt/$ More than 20% better performance per dollar
Significantly lower annual home energy cost 10.84 $/year vs 18.55 $/year More than 40% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 67.45 $/year More than 40% lower annual commercial energy cost
Front view of Intel Core i7 3770

Reasons to consider the
Intel Core i7 3770

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Significantly higher clock speed 3.4 GHz vs 2.5 GHz More than 35% higher clock speed
Higher turbo clock speed 3.9 GHz vs 3.5 GHz More than 10% higher turbo clock speed
Much better overclocked clock speed (Air) 4.03 GHz vs 2.5 GHz More than 60% better overclocked clock speed (Air)
Better PassMark (Single core) score 2,072 vs 1,739 Around 20% better PassMark (Single core) score
Better PassMark score 9,449 vs 7,745 More than 20% better PassMark score
Much better overclocked clock speed (Water) 4.32 GHz vs 2.5 GHz Around 75% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1265L v2 vs Core i7 3770

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 E3-1265L v2
2,050,000 MB/s
Core i7 3770
2,660,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1265L v2  vs
Core i7 3770 
Clock speed 2.5 GHz 3.4 GHz
Turbo clock speed 3.5 GHz 3.9 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 45W 77W
Annual home energy cost 10.84 $/year 18.55 $/year
Annual commercial energy cost 39.42 $/year 67.45 $/year
Performance per watt 19.91 pt/W 7.25 pt/W
Typical power consumption 36.56W 62.56W

bus

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

details

Xeon E3-1265L v2  vs
Core i7 3770 
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 22 nm
Max CPUs 1 1

overclocking

Overclock popularity 0 8
Overclocked clock speed 2.5 GHz 4.03 GHz
Overclocked clock speed (Water) 2.5 GHz 4.32 GHz
Overclocked clock speed (Air) 2.5 GHz 4.03 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Intel® HD Graphics 4000
Number of displays supported 3 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,150 MHz 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 33,556.48 MB 32,768 MB
Intel Xeon E3-1265L v2
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Intel Core i7 3770
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