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Differences What are the advantages of each

Front view of Intel Xeon X3450

Reasons to consider the
Intel Xeon X3450

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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 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly better geekbench 3 Multi-Core score 6,945 vs 4,220 Around 65% better geekbench 3 Multi-Core score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Front view of Intel Core i3 550

Reasons to consider the
Intel Core i3 550

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Higher clock speed 3.2 GHz vs 2.66 GHz More than 20% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per dollar 1.24 pt/$ vs 0.65 pt/$ More than 90% better performance per dollar
Lower typical power consumption 59.31W vs 77.19W Around 25% lower typical power consumption
Better overclocked clock speed (Air) 4.54 GHz vs 4.08 GHz More than 10% better overclocked clock speed (Air)
Slightly better PassMark (Single core) score 1,299 vs 1,172 More than 10% better PassMark (Single core) score
Lower annual home energy cost 17.59 $/year vs 22.89 $/year Around 25% lower annual home energy cost
Lower annual commercial energy cost 63.95 $/year vs 83.22 $/year Around 25% lower annual commercial energy cost
Newer Apr, 2010 vs Sep, 2009 Release date 6 months later
Better overclocked clock speed (Water) 3.2 GHz vs 2.67 GHz Around 20% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon X3450 vs Core i3 550

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X3450
6,945
Core i3 550
4,220

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X3450
1,782
Core i3 550
2,011

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X3450
107,000 MB/s
Core i3 550
128,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X3450
7,161
Core i3 550
4,118

GeekBench (64-bit) Data courtesy Primate Labs

Xeon X3450
7,860
Core i3 550
4,562

GeekBench

Xeon X3450
8,257
Core i3 550
5,988

PassMark Data courtesy Passmark

Xeon X3450
4,912
Core i3 550
2,834

PassMark (Single Core)

Xeon X3450
1,172
Core i3 550
1,299

Specifications Full list of technical specs

summary

Xeon X3450  vs
Core i3 550 
Clock speed 2.66 GHz 3.2 GHz
Cores Quad core Dual core
Socket type
LGA 1156

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 733 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 16,773.12 MB

details

Xeon X3450  vs
Core i3 550 
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 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 32 nm
Transistor count 774,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 20 24
Voltage range 0.65 - 1.4V 0.65 - 1.4V
Operating temperature Unknown - 72.7°C Unknown - 72.6°C

overclocking

Overclock popularity 5 17
Overclocked clock speed 4.08 GHz 4.54 GHz
Overclocked clock speed (Water) 2.67 GHz 3.2 GHz
Overclocked clock speed (Air) 4.08 GHz 4.54 GHz

power consumption

TDP 95W 73W
Annual home energy cost 22.89 $/year 17.59 $/year
Annual commercial energy cost 83.22 $/year 63.95 $/year
Performance per watt 1.79 pt/W 1.98 pt/W
Typical power consumption 77.19W 59.31W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s
Intel Xeon X3450
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Intel Core i3 550
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