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Differences What are the advantages of each

Front view of Intel Xeon E3-1220

Reasons to consider the
Intel Xeon E3-1220

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Much higher turbo clock speed 3.4 GHz vs None Compared to all cpus, 3.4 GHz turbo clock speed is just OK
Much higher clock speed 3.1 GHz vs 1.9 GHz Around 65% higher clock speed
Much better performance per watt 12.06 pt/W vs 1.71 pt/W More than 7x better performance per watt
Much better overclocked clock speed (Air) 3.49 GHz vs 1.9 GHz Around 85% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.1 GHz vs 1.9 GHz Around 65% better overclocked clock speed (Water)
Front view of AMD Opteron X2150

Reasons to consider the
AMD Opteron X2150

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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
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 17.88W vs 65W 3.6x lower typical power consumption
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual commercial energy cost 19.27 $/year vs 70.08 $/year 3.6x lower annual commercial energy cost
Much lower annual home energy cost 5.3 $/year vs 19.27 $/year 3.6x lower annual home energy cost
Newer May, 2013 vs Apr, 2011 Release date over 2 years later

Benchmarks Real world tests of Xeon E3-1220 vs Opteron X2150

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1220
2,320,000 MB/s
Opteron X2150
567.3 MB/s

Specifications Full list of technical specs

summary

Xeon E3-1220  vs
Opteron X2150 
Clock speed 3.1 GHz 1.9 GHz
Turbo clock speed 3.4 GHz None
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
SSE4
AVX
SSE3
SSE
BMI1
CLMUL
AMD64
SSE4.1
SSE4.2
ABM
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 22W
Annual home energy cost 19.27 $/year 5.3 $/year
Annual commercial energy cost 70.08 $/year 19.27 $/year
Performance per watt 12.06 pt/W 1.71 pt/W
Typical power consumption 65W 17.88W

details

Xeon E3-1220  vs
Opteron X2150 
Architecture x86-64 x86-64
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 32 nm 28 nm

overclocking

Overclocked clock speed 3.49 GHz 1.9 GHz
Overclocked clock speed (Water) 3.1 GHz 1.9 GHz
Overclocked clock speed (Air) 3.49 GHz 1.9 GHz

integrated graphics

GPU None GPU
Label N/A AMD Radeon HD 8400
Latest DirectX N/A 11.0
GPU clock speed N/A 600 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Single Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Intel Xeon E3-1220
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AMD Opteron X2150
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