CPUBoss Review Our evaluation of 3470 vs 2431 among all CPUs

Performance

Benchmark performance using all cores
Core i5 3470
5.8
Opteron 2431
5.8
Core i7 3770
6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i5 3470
9.1
Opteron 2431
6.4
Core i7 3770
9.3
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i5 3470
n.d.
Opteron 2431
n.d.
Core i7 3770
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i5 3470
5.2
Opteron 2431
0.0
Core i7 3770
5.2
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i5 3470
5.2
Opteron 2431
5.0
Core i7 3770
5.2
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i5 3470
9.9
Opteron 2431
n.d.
Core i7 3770
8.2
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
8.6

CPUBoss Score

Combination of all six facets
Core i5 3470
8.6
Opteron 2431
4.9
Core i7 3770
8.3

Winner
Intel Core i5 3470 

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

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VS

Intel Core i5 3470

Front view of Intel Core i5 3470
Front view of AMD Opteron 2431

AMD Opteron 2431

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Differences What are the advantages of each

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
Significantly higher clock speed 3.2 GHz vs 2.4 GHz Around 35% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better PassMark (Single core) score 1,906 vs 877 Around 2.2x better PassMark (Single core) score
Significantly better overclocked clock speed (Air) 3.67 GHz vs 2.4 GHz Around 55% better overclocked clock speed (Air)
Better performance per watt 4.41 pt/W vs 1.89 pt/W More than 2.2x better performance per watt
Higher Maximum operating temperature 67.4 °C vs 55 °C Around 25% higher Maximum operating temperature
More l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core
Better PassMark score 6,607 vs 4,516 More than 45% better PassMark score
Newer Jun, 2012 vs Jun, 2009 Release date over 3 years later
Much better overclocked clock speed (Water) 4.09 GHz vs 2.4 GHz More than 70% better overclocked clock speed (Water)
Front view of AMD Opteron 2431

Reasons to consider the
AMD Opteron 2431

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly lower typical power consumption 60.94W vs 86.05W Around 30% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More cores 6 vs 4 2 more cores; run more applications at once
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
More threads 6 vs 4 2 more threads
Much lower annual home energy cost 18.07 $/year vs 31.22 $/year More than 40% lower annual home energy cost
Lower annual commercial energy cost 65.7 $/year vs 84.62 $/year More than 20% lower annual commercial energy cost

Benchmarks Real world tests of Core i5 3470 vs Opteron 2431

PassMark Data courtesy Passmark

Core i5 3470
6,607
Opteron 2431
4,516

PassMark (Single Core)

Core i5 3470
1,906
Opteron 2431
877

Specifications Full list of technical specs

summary

 Core i5 3470  vs
Opteron 2431 
Clock speed 3.2 GHz 2.4 GHz
Cores Quad core Hexa core
Socket type
LGA 1155
F
Is unlocked No No

features
Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 77W 75W
Annual home energy cost 31.22 $/year 18.07 $/year
Annual commercial energy cost 84.62 $/year 65.7 $/year
Performance per watt 4.41 pt/W 1.89 pt/W
Typical power consumption 86.05W 60.94W

details

 Core i5 3470  vs
Opteron 2431 
Threads 4 6
L2 cache 1 MB 3 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 2
Clock multiplier 32 12
Voltage range Unknown - 1.13V 1 - UnknownV
Operating temperature Unknown - 67.4°C 0 - 55°C

overclocking
Overclocked clock speed 3.67 GHz 2.4 GHz
Overclocked clock speed (Water) 4.09 GHz 2.4 GHz
Overclocked clock speed (Air) 3.67 GHz 2.4 GHz

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

bus
Architecture DMI 2.0 HyperTransport 3.0
Intel Core i5 3470
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AMD Opteron 2431
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