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Differences What are the advantages of each

Front view of Intel Xeon E3-1275

Reasons to consider the
Intel Xeon E3-1275

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Much higher clock speed 3.4 GHz vs 1.8 GHz Around 90% higher clock speed
Much more l3 cache 8 MB vs 1 MB 8x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better PassMark score 9,863 vs 971 Around 10.2x better PassMark score
Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 4 vs 2 Twice as many cores; run more applications at once
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More threads 8 vs 2 6 more threads
Much better overclocked clock speed (Air) 3.88 GHz vs 2.92 GHz Around 35% better overclocked clock speed (Air)
Much more l3 cache per core 2 MB/core vs 0.5 MB/core 4x more l3 cache per core
Much better overclocked clock speed (Water) 3.5 GHz vs 1.8 GHz Around 95% better overclocked clock speed (Water)
Newer Apr, 2011 vs Feb, 2007 Release date over 4 years later
Front view of AMD Opteron 1210 HE

Reasons to consider the
AMD Opteron 1210 HE

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Much 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
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost

Benchmarks Real world tests of Xeon E3-1275 vs Opteron 1210 HE

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Xeon E3-1275  vs
Opteron 1210 HE 
Clock speed 3.4 GHz 1.8 GHz
Cores Quad core Dual core
Socket type
LGA 1155
AM2

features

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

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Performance per watt 2.53 pt/W 0.61 pt/W
Typical power consumption 77.19W 52.81W

details

Xeon E3-1275  vs
Opteron 1210 HE 
Threads 8 2
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 1 MB
L3 cache per core 2 MB/core 0.5 MB/core
Manufacture process 32 nm 90 nm
Max CPUs 1 1
Clock multiplier 34 9
Operating temperature Unknown - 72.6°C 0 - 55°C

overclocking

Overclocked clock speed 3.88 GHz 2.92 GHz
Overclocked clock speed (Water) 3.5 GHz 1.8 GHz
Overclocked clock speed (Air) 3.88 GHz 2.92 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics P3000 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,350 MHz N/A
Intel Xeon E3-1275
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AMD Opteron 1210 HE
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