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Intel Xeon X5550

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Front view of Intel Xeon X5550

Differences What are the advantages of each

Front view of Intel Xeon X5550

Reasons to consider the
Intel Xeon X5550

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Much higher clock speed 2.66 GHz vs 2 GHz Around 35% higher clock speed
Much 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
Much better overclocked clock speed (Air) 3.72 GHz vs 2.82 GHz More than 30% better overclocked clock speed (Air)
More threads 8 vs 4 Twice as many threads
Much more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Much better overclocked clock speed (Water) 4.23 GHz vs 3.43 GHz Around 25% better overclocked clock speed (Water)
Front view of Intel Xeon E5504

Reasons to consider the
Intel Xeon E5504

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Lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost

Benchmarks Real world tests of Xeon X5550 vs E5504

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5550
14,788
Xeon E5504
4,940

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5550
2,000
Xeon E5504
1,357

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5550
123,700 MB/s
Xeon E5504
86,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5550
9,860
Xeon E5504
4,158

GeekBench

Xeon X5550
10,669
Xeon E5504
4,158

x264 HD 4.0

Xeon X5550
83.1 fps
Xeon E5504
45.9 fps

PassMark Data courtesy Passmark

Xeon X5550
5,416
Xeon E5504
2,732

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X5550  vs
E5504 
Clock speed 2.66 GHz 2 GHz
Cores Quad core Quad core
Socket type
LGA 1366

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 80W
Annual home energy cost 22.89 $/year 19.27 $/year
Annual commercial energy cost 83.22 $/year 70.08 $/year
Performance per watt 2.43 pt/W 1.49 pt/W
Typical power consumption 77.19W 65W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 19,200 MB/s
Maximum memory size 147,456 MB 147,456 MB

details

Xeon X5550  vs
E5504 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 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 1 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 2
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 75°C Unknown - 76°C

overclocking

Overclocked clock speed 3.72 GHz 2.82 GHz
Overclocked clock speed (Water) 4.23 GHz 3.43 GHz
Overclocked clock speed (Air) 3.72 GHz 2.82 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 QPI QPI
Number of links 2 2
Data rate 51,200 MB/s 38,400 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz
Intel Xeon X5550
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Intel Xeon E5504
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