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Intel Xeon X3480

Front view of Intel Xeon X3480
Front view of Intel Core i7 870

Intel Core i7 870

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Differences What are the advantages of each

Front view of Intel Xeon X3480

Reasons to consider the
Intel Xeon X3480

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Much lower typical power consumption 77.19W vs 121W More than 35% lower typical power consumption
Much lower annual home energy cost 22.89 $/year vs 42.57 $/year More than 45% lower annual home energy cost
Much lower annual commercial energy cost 83.22 $/year vs 120.89 $/year More than 30% lower annual commercial energy cost
Better performance per watt 2.04 pt/W vs 1.11 pt/W Around 85% better performance per watt
Newer May, 2010 vs Jul, 2009 Release date 11 months later
Front view of Intel Core i7 870

Reasons to consider the
Intel Core i7 870

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Significantly better performance per dollar 0.66 pt/$ vs 0.31 pt/$ Around 2.2x better performance per dollar
Better overclocked clock speed (Air) 4.1 GHz vs 3.78 GHz Around 10% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.28 GHz vs 3.07 GHz Around 40% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon X3480 vs Core i7 870

PassMark Data courtesy Passmark

Xeon X3480
5,732
Core i7 870
5,398

PassMark (Single Core)

Xeon X3480
1,366
Core i7 870
1,300

Specifications Full list of technical specs

summary

 Xeon X3480  vs
Core i7 870 
Clock speed 3.06 GHz 2.93 GHz
Turbo clock speed 3.73 GHz 3.6 GHz
Cores Quad core Quad core
Socket type
LGA 1156

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

power consumption
TDP 95W 95W
Annual home energy cost 22.89 $/year 42.57 $/year
Annual commercial energy cost 83.22 $/year 120.89 $/year
Performance per watt 2.04 pt/W 1.11 pt/W
Typical power consumption 77.19W 121W

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 16,384 MB

details

 Xeon X3480  vs
Core i7 870 
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 45 nm 45 nm
Transistor count 774,000,000 774,000,000
Max CPUs 1 1
Clock multiplier 23 22
Voltage range 0.65 - 1.4V 0.65 - 1.4V
Operating temperature Unknown - 72.7°C Unknown - 72.7°C

overclocking
Overclocked clock speed 3.78 GHz 4.1 GHz
Overclocked clock speed (Water) 3.07 GHz 4.28 GHz
Overclocked clock speed (Air) 3.78 GHz 4.1 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 DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s
Intel Xeon X3480
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Intel Core i7 870
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