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Front view of Intel Core i5 3470

Intel Core i5 3470

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5440

Reasons to consider the
Intel Xeon E5440

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Much more l2 cache 12 MB vs 1 MB 12x 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 0.25 MB/core 12x more l2 cache per core
Significantly lower typical power consumption 65W vs 86.05W Around 25% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 19.27 $/year vs 31.22 $/year Around 40% lower annual home energy cost
Lower annual commercial energy cost 70.08 $/year vs 84.62 $/year More than 15% lower annual commercial 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 0.22 pt/$ Around 12.5x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.2 GHz vs 2.83 GHz Around 15% higher clock speed
Significantly better PassMark (Single core) score 1,906 vs 1,208 Around 60% better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Jun, 2012 vs Nov, 2007 Release date over 4 years later
Better PassMark score 6,607 vs 4,000 More than 65% better PassMark score
Better performance per watt 4.41 pt/W vs 2 pt/W Around 2.2x better performance per watt

Benchmarks Real world tests of Xeon E5440 vs Core i5 3470

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5440
6,294
Core i5 3470
9,436

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5440
1,532
Core i5 3470
2,983

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5440
120,650 MB/s
Core i5 3470
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5440
5,178
Core i5 3470
9,226

GeekBench

Xeon E5440
5,178
Core i5 3470
12,141

PassMark Data courtesy Passmark

Xeon E5440
4,000
Core i5 3470
6,607

PassMark (Single Core)

Xeon E5440
1,208
Core i5 3470
1,906

Specifications Full list of technical specs

summary

Xeon E5440  vs
Core i5 3470 
Clock speed 2.83 GHz 3.2 GHz
Cores Quad core Quad core
Socket type
LGA 771
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 80W 77W
Annual home energy cost 19.27 $/year 31.22 $/year
Annual commercial energy cost 70.08 $/year 84.62 $/year
Performance per watt 2 pt/W 4.41 pt/W
Typical power consumption 65W 86.05W

details

Xeon E5440  vs
Core i5 3470 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 1 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 22 nm
Transistor count 820,000,000 1,400,000,000
Max CPUs 2 1
Clock multiplier 8 32
Voltage range 0.85 - 1.35V Unknown - 1.13V
Operating temperature Unknown - 67°C Unknown - 67.4°C

overclocking

Overclocked clock speed 3.61 GHz 3.67 GHz
Overclocked clock speed (Water) 3.96 GHz 4.09 GHz
Overclocked clock speed (Air) 3.61 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 FSB DMI 2.0
Number of links 1 1
Intel Xeon E5440
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Intel Core i5 3470
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