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Intel Xeon X5550

Front view of Intel Xeon X5550
Front view of Intel Core i5 3470

Intel Core i5 3470

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Differences What are the advantages of each

Front view of Intel Xeon X5550

Reasons to consider the
Intel Xeon X5550

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
Lower typical power consumption 77.19W vs 86.05W More than 10% lower typical power consumption
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Higher Maximum operating temperature 75 °C vs 67.4 °C More than 10% higher Maximum operating temperature
Supports more RAM 147,456 MB vs 32,768 MB Supports 4.5x more RAM
Significantly lower annual home energy cost 22.89 $/year vs 31.22 $/year More than 25% lower annual home energy cost
Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per dollar 2.7 pt/$ vs 0.23 pt/$ Around 11.8x better performance per dollar
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
Higher turbo clock speed 3.6 GHz vs 3.06 GHz Around 20% higher turbo clock speed
Significantly better PassMark (Single core) score 1,906 vs 1,252 More than 50% better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Jun, 2012 vs Mar, 2009 Release date over 3 years later
Better performance per watt 4.41 pt/W vs 2.43 pt/W More than 80% better performance per watt
Better PassMark score 6,607 vs 5,416 More than 20% better PassMark score

Benchmarks Real world tests of Xeon X5550 vs Core i5 3470

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5550
14,788
Core i5 3470
9,436

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5550
2,000
Core i5 3470
2,983

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5550
123,700 MB/s
Core i5 3470
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5550
9,860
Core i5 3470
9,226

GeekBench (64-bit) Data courtesy Primate Labs

Xeon X5550
9,635
Core i5 3470
10,031

GeekBench

Xeon X5550
10,669
Core i5 3470
12,141

PassMark Data courtesy Passmark

Xeon X5550
5,416
Core i5 3470
6,607

PassMark (Single Core)

Xeon X5550
1,252
Core i5 3470
1,906

Specifications Full list of technical specs

summary

 Xeon X5550  vs
Core i5 3470 
Clock speed 2.66 GHz 3.2 GHz
Turbo clock speed 3.06 GHz 3.6 GHz
Cores Quad core Quad core
Socket type
LGA 1366
LGA 1155

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

power consumption
TDP 95W 77W
Annual home energy cost 22.89 $/year 31.22 $/year
Annual commercial energy cost 83.22 $/year 84.62 $/year
Performance per watt 2.43 pt/W 4.41 pt/W
Typical power consumption 77.19W 86.05W

bus
Architecture QPI DMI 2.0
Number of links 2 1
Data rate 51,200 MB/s 2,560 MB/s
Transfer rate 6,400 MT/s 5,000 MT/s

details

 Xeon X5550  vs
Core i5 3470 
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 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 45 nm 22 nm
Transistor count 731,000,000 1,400,000,000
Max CPUs 2 1
Voltage range 0.75 - 1.35V Unknown - 1.13V
Operating temperature Unknown - 75°C Unknown - 67.4°C

overclocking
Overclocked clock speed 3.72 GHz 3.67 GHz
Overclocked clock speed (Water) 4.23 GHz 4.09 GHz
Overclocked clock speed (Air) 3.72 GHz 3.67 GHz

integrated graphics
GPU None GPU
Label N/A Intel® HD Graphics 2500
Latest DirectX N/A 11.0
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,100 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 147,456 MB 32,768 MB
Intel Xeon X5550
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Intel Core i5 3470
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