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Intel Xeon E3-1245

CPUBoss Winner
Front view of Intel Xeon E3-1245

Differences What are the advantages of each

Front view of Intel Xeon E3-1245

Reasons to consider the
Intel Xeon E3-1245

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Much higher clock speed 3.3 GHz vs 2.4 GHz Around 40% higher clock speed
Much better PassMark score 8,045 vs 5,330 More than 50% better PassMark score
Much better PassMark (Single core) score 1,869 vs 875 Around 2.2x better PassMark (Single core) score
Higher turbo clock speed 3.7 GHz vs 3.4 GHz Around 10% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 3.71 GHz vs 2.87 GHz Around 30% better overclocked clock speed (Air)
Much more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Much better overclocked clock speed (Water) 3.3 GHz vs 2.4 GHz Around 40% better overclocked clock speed (Water)
Front view of AMD Opteron 3280

Reasons to consider the
AMD Opteron 3280

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
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
Newer Mar, 2012 vs Apr, 2011 Release date 11 months later

Benchmarks Real world tests of Xeon E3-1245 vs Opteron 3280

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E3-1245
10,740
Opteron 3280
2,986

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1245
2,410,000 MB/s
Opteron 3280
1,710,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E3-1245
10,961
Opteron 3280
7,233

GeekBench

Xeon E3-1245
10,961
Opteron 3280
7,233

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1245  vs
Opteron 3280 
Clock speed 3.3 GHz 2.4 GHz
Turbo clock speed 3.7 GHz 3.4 GHz
Cores Quad core Octa core
Socket type
LGA 1155
AM3+

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
Supplemental SSE3
AES

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 10.8 pt/W 10.33 pt/W
Typical power consumption 77.19W 52.81W

bus

Architecture DMI HyperTransport 3.0

details

Xeon E3-1245  vs
Opteron 3280 
Threads 8 8
L2 cache 1 MB 8 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 33 12
Operating temperature Unknown - 72.6°C Unknown - 61.1°C

overclocking

Overclocked clock speed 3.71 GHz 2.87 GHz
Overclocked clock speed (Water) 3.3 GHz 2.4 GHz
Overclocked clock speed (Air) 3.71 GHz 2.87 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Intel Xeon E3-1245
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AMD Opteron 3280
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