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Intel Core i7 3930K

CPUBoss Winner
Front view of Intel Core i7 3930K

Differences What are the advantages of each

Front view of Intel Core i7 3930K

Reasons to consider the
Intel Core i7 3930K

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3.2 GHz vs 2.2 GHz More than 45% higher clock speed
Much better PassMark score 12,084 vs 1,291 More than 9.2x better PassMark score
Much better PassMark (Single core) score 1,949 vs 685 More than 2.8x better PassMark (Single core) score
Much better overclocked clock speed (Air) 4.67 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Air)
More threads 12 vs 2 10 more threads
More cores 6 vs 2 Three times as many cores; run more applications at once
Significantly better performance per watt 5.5 pt/W vs 0.87 pt/W More than 6.2x better performance per watt
Newer Nov, 2011 vs May, 2005 Release date over 6 years later
Much better overclocked clock speed (Water) 4.67 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Water)
Front view of AMD Opteron 275

Reasons to consider the
AMD Opteron 275

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Much lower typical power consumption 69.06W vs 172.6W 2.5x lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.33 MB/core More than 3x more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 20.48 $/year vs 56.96 $/year 2.8x lower annual home energy cost
Much lower annual commercial energy cost 74.46 $/year vs 177.83 $/year 2.4x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 3930K vs Opteron 275

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 3930K
18,254
Opteron 275
2,534

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 3930K
2,430,000 MB/s
Opteron 275
60,200 MB/s

PassMark Data courtesy Passmark

Core i7 3930K
12,084
Opteron 275
1,291

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3930K  vs
Opteron 275 
Clock speed 3.2 GHz 2.2 GHz
Cores Hexa core Dual core
Socket type
LGA 2011
940

features

Has a NX bit 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

details

Core i7 3930K  vs
Opteron 275 
Threads 12 2
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 1 MB/core
Manufacture process 32 nm 90 nm
Max CPUs 1 2
Clock multiplier 32 11
Voltage range 0.6 - 1.35V 1.2 - UnknownV
Operating temperature Unknown - 66.8°C 0 - 67°C

overclocking

Overclocked clock speed 4.67 GHz 2.2 GHz
Overclocked clock speed (Water) 4.67 GHz 2.2 GHz
PassMark (Overclocked) 6,119.5 1,303.6
Overclocked clock speed (Air) 4.67 GHz 2.2 GHz

power consumption

TDP 130W 85W
Annual home energy cost 56.96 $/year 20.48 $/year
Annual commercial energy cost 177.83 $/year 74.46 $/year
Performance per watt 5.5 pt/W 0.87 pt/W
Typical power consumption 172.6W 69.06W
Intel Core i7 3930K
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AMD Opteron 275
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