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Intel Xeon E5205

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Front view of Intel Xeon E5205

Differences What are the advantages of each

Front view of Intel Xeon E5205

Reasons to consider the
Intel Xeon E5205

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Much more l2 cache 6 MB vs 4 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 2 MB/core 50% more l2 cache per core
Much better overclocked clock speed (Air) 3.25 GHz vs 2.2 GHz Around 50% better overclocked clock speed (Air)
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Nov, 2007 vs Jun, 2006 Release date over 1 years later
Front view of Intel Xeon 5120

Reasons to consider the
Intel Xeon 5120

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Much better overclocked clock speed (Water) 2.2 GHz vs 1.87 GHz Around 20% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5205 vs 5120

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5205
2,892
Xeon 5120
3,487

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5205
1,562
Xeon 5120
1,011

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5205
127,800 MB/s
Xeon 5120
96.45 MB/s

PassMark Data courtesy Passmark

Xeon E5205
1,401
Xeon 5120
1,249

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5205  vs
5120 
Clock speed 1.86 GHz 1.86 GHz
Cores Dual core Dual core
Socket type
LGA 771

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
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 1.71 pt/W 0.95 pt/W
Typical power consumption 52.81W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 1,066 MHz

details

Xeon E5205  vs
5120 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 4 MB
L2 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 410,000,000 291,000,000
Max CPUs 2 2
Clock multiplier 7 7
Voltage range 0.95 - 1.21V 1 - 1.5V
Operating temperature Unknown - 66°C Unknown - 65°C

overclocking

Overclocked clock speed 3.25 GHz 2.2 GHz
Overclocked clock speed (Water) 1.87 GHz 2.2 GHz
PassMark (Overclocked) 1,929.4 1,163.6
Overclocked clock speed (Air) 3.25 GHz 2.2 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
Intel Xeon E5205
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Intel Xeon 5120
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