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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 dollar 2.8 pt/$ vs 1.18 pt/$ More than 2.2x better performance per dollar
Much better performance per watt 19.91 pt/W vs 2.69 pt/W Around 7.5x better performance per watt
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 8 MB vs 3 MB Around 2.8x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better turbo clock speed 1,150 MHz vs 1,050 MHz Around 10% better turbo clock speed
Better PassMark score 7,745 vs 4,229 Around 85% better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Lower typical power consumption 36.56W vs 44.69W Around 20% lower typical power consumption
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Lower annual commercial energy cost 39.42 $/year vs 48.18 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 10.84 $/year vs 13.25 $/year Around 20% lower annual home energy cost
Front view of Intel Core i3 3220

Reasons to consider the
Intel Core i3 3220

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Significantly higher clock speed 3.3 GHz vs 2.5 GHz More than 30% higher clock speed
Significantly better overclocked clock speed (Air) 3.43 GHz vs 2.5 GHz More than 35% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.46 GHz vs 2.5 GHz Around 40% better overclocked clock speed (Water)
Newer Sep, 2012 vs May, 2012 Release date 3 months later

Benchmarks Real world tests of Xeon E3-1265L v2 vs Core i3 3220

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 i3 3220
173,000 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 i3 3220 
Clock speed 2.5 GHz 3.3 GHz
Cores Quad core Dual core
Socket type
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 55W
Annual home energy cost 10.84 $/year 13.25 $/year
Annual commercial energy cost 39.42 $/year 48.18 $/year
Performance per watt 19.91 pt/W 2.69 pt/W
Typical power consumption 36.56W 44.69W

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 i3 3220 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclock popularity 0 50
Overclocked clock speed 2.5 GHz 3.43 GHz
Overclocked clock speed (Water) 2.5 GHz 3.46 GHz
Overclocked clock speed (Air) 2.5 GHz 3.43 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Intel® HD Graphics 2500
Number of displays supported 3 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,150 MHz 1,050 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 i3 3220
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