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Differences What are the advantages of each

Front view of Intel Celeron 1007U

Reasons to consider the
Intel Celeron 1007U

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Much better geekbench 3 AES single core score 78,500 MB/s vs 54.4 MB/s More than 1443x better geekbench 3 AES single core score
Much newer manufacturing process 22 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 13.81W vs 77.19W 5.6x lower typical power consumption
Much higher Maximum operating temperature 105 °C vs 67 °C More than 55% higher Maximum operating temperature
Newer Jan, 2013 vs Apr, 2005 Release date over 7 years later
Significantly better performance per watt 4.38 pt/W vs 0.68 pt/W Around 6.5x better performance per watt
Much lower annual home energy cost 4.1 $/year vs 22.89 $/year 5.6x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 83.22 $/year 5.6x lower annual commercial energy cost
Front view of AMD Opteron 870

Reasons to consider the
AMD Opteron 870

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Higher clock speed 2 GHz vs 1.5 GHz Around 35% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly better geekbench 3 Multi-Core score 4,525 vs 2,141 More than 2x better geekbench 3 Multi-Core score
Better overclocked clock speed (Air) 2 GHz vs 1.5 GHz Around 35% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2 GHz vs 1.5 GHz Around 35% better overclocked clock speed (Water)

Benchmarks Real world tests of Celeron 1007U vs Opteron 870

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

Celeron 1007U
78,500 MB/s
Opteron 870
54.4 MB/s

Specifications Full list of technical specs

summary

Celeron 1007U  vs
Opteron 870 
Clock speed 1.5 GHz 2 GHz
Cores Dual core Dual core
Socket type
BGA 1023
940

features

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

details

Celeron 1007U  vs
Opteron 870 
Threads 2 2
L2 cache 0.5 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 22 nm 90 nm
Max CPUs 1 8
Clock multiplier 15 10
Operating temperature Unknown - 105°C 0 - 67°C

overclocking

Overclocked clock speed 1.5 GHz 2 GHz
Overclocked clock speed (Water) 1.5 GHz 2 GHz
Overclocked clock speed (Air) 1.5 GHz 2 GHz

power consumption

TDP 17W 95W
Annual home energy cost 4.1 $/year 22.89 $/year
Annual commercial energy cost 14.89 $/year 83.22 $/year
Performance per watt 4.38 pt/W 0.68 pt/W
Typical power consumption 13.81W 77.19W
Intel Celeron 1007U
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AMD Opteron 870
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