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Differences What are the advantages of each

Front view of Intel Xeon W3550

Reasons to consider the
Intel Xeon W3550

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Much higher clock speed 3.06 GHz vs 1.3 GHz More than 2.2x higher clock speed
Much better geekbench 2 (32-bit) score 8,181 vs 1,669 Around 5x better geekbench 2 (32-bit) score
More l3 cache 8 MB vs 2 MB 4x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly better PassMark (Single core) score 1,357 vs 658 More than 2x better PassMark (Single core) score
Much better overclocked clock speed (Air) 3.65 GHz vs 2.2 GHz More than 65% better overclocked clock speed (Air)
Significantly better PassMark score 5,730 vs 1,199 More than 4.8x better PassMark score
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
More threads 8 vs 2 6 more threads
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 3.07 GHz vs 1.3 GHz More than 2.2x better overclocked clock speed (Water)
Front view of Intel Celeron 867

Reasons to consider the
Intel Celeron 867

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Much lower typical power consumption 13.81W vs 105.63W 7.6x lower typical power consumption
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 higher Maximum operating temperature 100 °C vs 67.9 °C More than 45% higher Maximum operating temperature
Much lower annual home energy cost 4.1 $/year vs 31.32 $/year 7.6x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 113.88 $/year 7.6x lower annual commercial energy cost
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Jan, 2012 vs Aug, 2009 Release date over 2 years later
Better performance per watt 2.92 pt/W vs 1.57 pt/W More than 85% better performance per watt

Benchmarks Real world tests of Xeon W3550 vs Celeron 867

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon W3550
8,228
Celeron 867
1,712.5

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon W3550
2,134
Celeron 867
1,027.5

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon W3550
140,900 MB/s
Celeron 867
62.35 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon W3550
8,181
Celeron 867
1,669

GeekBench

Xeon W3550
10,739
Celeron 867
1,669

PassMark Data courtesy Passmark

Xeon W3550
5,730
Celeron 867
1,199

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon W3550  vs
Celeron 867 
Clock speed 3.06 GHz 1.3 GHz
Cores Quad core Dual core
Socket type
LGA 1366
BGA 1023

features

Has a NX bit Yes Yes
Supports trusted computing No 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

power consumption

TDP 130W 17W
Annual home energy cost 31.32 $/year 4.1 $/year
Annual commercial energy cost 113.88 $/year 14.89 $/year
Performance per watt 1.57 pt/W 2.92 pt/W
Typical power consumption 105.63W 13.81W

bus

Architecture QPI DMI
Number of links 1 1
Transfer rate 4,800 MT/s 5,000 MT/s

details

Xeon W3550  vs
Celeron 867 
Architecture x86-64 x86-64
Threads 8 2
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 2 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Clock multiplier 23 13
Operating temperature Unknown - 67.9°C Unknown - 100°C

overclocking

Overclocked clock speed 3.65 GHz 2.2 GHz
Overclocked clock speed (Water) 3.07 GHz 1.3 GHz
Overclocked clock speed (Air) 3.65 GHz 2.2 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,599.99 MB/s 21,333.32 MB/s
Maximum memory size 24,576 MB 16,384 MB
Intel Xeon W3550
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Intel Celeron 867
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