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Differences What are the advantages of each

Front view of Intel Xeon X5670

Reasons to consider the
Intel Xeon X5670

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Much better 3DMark06 CPU score 5,794 vs 56.3 Around 103x better 3DMark06 CPU score
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 12 MB vs 6 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 12 vs 4 Three times as many threads
Significantly better performance per watt 8.54 pt/W vs 4.41 pt/W Around 95% better performance per watt
More cores 6 vs 4 2 more cores; run more applications at once
Lower typical power consumption 77.19W vs 86.05W More than 10% lower typical power consumption
Higher Maximum operating temperature 81.3 °C vs 67.4 °C More than 20% higher Maximum operating temperature
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better overclocked clock speed (Air) 4.29 GHz vs 3.67 GHz More than 15% better overclocked clock speed (Air)
Supports more RAM 294,912 MB vs 32,768 MB Supports 9x more RAM
Better PassMark score 8,013 vs 6,607 More than 20% better PassMark score
Significantly lower annual home energy cost 22.89 $/year vs 31.22 $/year More than 25% lower annual home energy cost
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Better overclocked clock speed (Water) 4.5 GHz vs 4.09 GHz Around 10% better overclocked clock speed (Water)
Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Much better performance per dollar 2.7 pt/$ vs 0.56 pt/$ More than 4.8x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3.2 GHz vs 2.93 GHz Around 10% higher clock speed
Higher turbo clock speed 3.6 GHz vs 3.33 GHz Around 10% higher turbo clock speed
Better PassMark (Single core) score 1,906 vs 1,347 More than 40% better PassMark (Single core) score
Newer Jun, 2012 vs Mar, 2010 Release date over 2 years later

Benchmarks Real world tests of Xeon X5670 vs Core i5 3470

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5670
24,364
Core i5 3470
9,436

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5670
2,341
Core i5 3470
2,983

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5670
1,590,000 MB/s
Core i5 3470
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5670
13,847
Core i5 3470
9,226

GeekBench (64-bit) Data courtesy Primate Labs

Xeon X5670
14,780
Core i5 3470
10,031

GeekBench

Xeon X5670
14,780
Core i5 3470
12,141

PassMark Data courtesy Passmark

Xeon X5670
8,013
Core i5 3470
6,607

PassMark (Single Core)

Xeon X5670
1,347
Core i5 3470
1,906

Specifications Full list of technical specs

summary

Xeon X5670  vs
Core i5 3470 
Clock speed 2.93 GHz 3.2 GHz
Turbo clock speed 3.33 GHz 3.6 GHz
Cores Hexa core Quad core
Socket type
LGA 1366
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes 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 8.54 pt/W 4.41 pt/W
Typical power consumption 77.19W 86.05W

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 294,912 MB 32,768 MB

details

Xeon X5670  vs
Core i5 3470 
Architecture x86-64 x86-64
Threads 12 4
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 1
Clock multiplier 22 32
Voltage range 0.75 - 1.35V Unknown - 1.13V
Operating temperature Unknown - 81.3°C Unknown - 67.4°C

overclocking

Overclock popularity 8 22
Overclocked clock speed 4.29 GHz 3.67 GHz
Overclocked clock speed (Water) 4.5 GHz 4.09 GHz
Overclocked clock speed (Air) 4.29 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

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
Intel Xeon X5670
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Intel Core i5 3470
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