CPUBoss Review Our evaluation of X5647 vs 3470 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

6.9

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 3470 

CPUBoss recommends the Intel Core i5 3470  based on its performance, single-core performance, power consumption and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon X5647

Reasons to consider the
Intel Xeon X5647

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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
Much more l3 cache per core 3 MB/core vs 1.5 MB/core 2x more l3 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 8 vs 4 Twice as many threads
Higher Maximum operating temperature 80.4 °C vs 67.4 °C Around 20% higher Maximum operating temperature
Supports more RAM 294,912 MB vs 32,768 MB Supports 9x more RAM
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 0.28 pt/$ Around 9.8x 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 turbo clock speed 3.6 GHz vs 3.2 GHz More than 10% higher turbo clock speed
Higher clock speed 3.2 GHz vs 2.93 GHz Around 10% higher clock speed
Significantly lower typical power consumption 86.05W vs 105.63W Around 20% lower typical power consumption
Better PassMark (Single core) score 1,906 vs 1,318 Around 45% better PassMark (Single core) score
Better performance per watt 4.41 pt/W vs 1.65 pt/W Around 2.8x better performance per watt
Better overclocked clock speed (Air) 3.67 GHz vs 3.2 GHz Around 15% better overclocked clock speed (Air)
Newer Jun, 2012 vs Feb, 2011 Release date over 1 years later
Significantly lower annual commercial energy cost 84.62 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly better overclocked clock speed (Water) 4.09 GHz vs 2.93 GHz Around 40% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon X5647 vs Core i5 3470

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5647
14,246
Core i5 3470
9,436

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5647
3,502
Core i5 3470
2,983

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5647
2,440 MB/s
Core i5 3470
2,470,000 MB/s

PassMark Data courtesy Passmark

Xeon X5647
5,980
Core i5 3470
6,607

PassMark (Single Core)

Xeon X5647
1,318
Core i5 3470
1,906

Specifications Full list of technical specs

summary

Xeon X5647  vs
Core i5 3470 
Clock speed 2.93 GHz 3.2 GHz
Turbo clock speed 3.2 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 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 130W 77W
Annual home energy cost 31.32 $/year 31.22 $/year
Annual commercial energy cost 113.88 $/year 84.62 $/year
Performance per watt 1.65 pt/W 4.41 pt/W
Typical power consumption 105.63W 86.05W

bus

Architecture QPI DMI 2.0
Number of links 2 1
Data rate 46,928 MB/s 2,560 MB/s
Transfer rate 5,860 MT/s 5,000 MT/s

details

Xeon X5647  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 12 MB 6 MB
L3 cache per core 3 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 - 80.4°C Unknown - 67.4°C

overclocking

Overclocked clock speed 3.2 GHz 3.67 GHz
Overclocked clock speed (Water) 2.93 GHz 4.09 GHz
Overclocked clock speed (Air) 3.2 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 25,599.99 MB/s 25,600 MB/s
Maximum memory size 294,912 MB 32,768 MB
Intel Xeon X5647
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Intel Core i5 3470
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