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Differences What are the advantages of each

Front view of Intel Pentium T3400

Reasons to consider the
Intel Pentium T3400

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Higher clock speed 2.16 GHz vs 1.8 GHz More than 20% higher clock speed
Lower typical power consumption 28.44W vs 44.69W More than 35% lower typical power consumption
Better overclocked clock speed (Air) 2.73 GHz vs 2.02 GHz More than 35% better overclocked clock speed (Air)
Newer Oct, 2008 vs Sep, 2007 Release date over 1 years later
Lower annual home energy cost 8.43 $/year vs 13.25 $/year More than 35% lower annual home energy cost
Lower annual commercial energy cost 30.66 $/year vs 48.18 $/year More than 35% lower annual commercial energy cost
Better overclocked clock speed (Water) 2.17 GHz vs 1.8 GHz More than 20% better overclocked clock speed (Water)
Front view of AMD Opteron 8346 HE

Reasons to consider the
AMD Opteron 8346 HE

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
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
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads

Features Key features of the Pentium T3400  vs Opteron 8346 HE 

clock speed

Pentium T3400
2.16 GHz
Opteron 8346 HE
1.8 GHz

L2 cache

overclocked clock speed (air)

Pentium T3400
2.73 GHz
Opteron 8346 HE
2.02 GHz

overclocked clock speed (water)

Pentium T3400
2.17 GHz
Opteron 8346 HE
1.8 GHz

Specifications Full list of technical specs

summary

Pentium T3400  vs
Opteron 8346 HE 
Clock speed 2.16 GHz 1.8 GHz
Cores Dual core Quad core
Socket type
478
F

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 55W
Annual home energy cost 8.43 $/year 13.25 $/year
Annual commercial energy cost 30.66 $/year 48.18 $/year
Typical power consumption 28.44W 44.69W

details

Pentium T3400  vs
Opteron 8346 HE 
Threads 2 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 65 nm 65 nm
Max CPUs 1 8
Clock multiplier 13 9
Voltage range 1.07 - 1.18V 1.12 - UnknownV

overclocking

Overclocked clock speed 2.73 GHz 2.02 GHz
Overclocked clock speed (Water) 2.17 GHz 1.8 GHz
Overclocked clock speed (Air) 2.73 GHz 2.02 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Clock speed 667 MHz 1,600 MHz
Intel Pentium T3400
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AMD Opteron 8346 HE
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