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Differences What are the advantages of each

Front view of Intel Celeron 847

Reasons to consider the
Intel Celeron 847

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Much better geekbench 3 AES single core score 54,500 MB/s vs 79.5 MB/s More than 685.5x better geekbench 3 AES single core score
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 13.81W vs 60.94W 4.4x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 55 °C More than 80% higher Maximum operating temperature
More l3 cache per core 1 MB/core vs 0.5 MB/core 2x more l3 cache per core
Newer Jun, 2011 vs Apr, 2008 Release date over 3 years later
Much lower annual home energy cost 4.1 $/year vs 18.07 $/year 4.4x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 65.7 $/year 4.4x lower annual commercial energy cost
Better performance per watt 3.23 pt/W vs 2.16 pt/W Around 50% better performance per watt
Front view of AMD Opteron 8356

Reasons to consider the
AMD Opteron 8356

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Significantly higher clock speed 2.3 GHz vs 1.1 GHz More than 2x higher clock speed
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly 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 better geekbench 3 Multi-Core score 13,936 vs 1,460 More than 9.5x better geekbench 3 Multi-Core score
Significantly better overclocked clock speed (Air) 2.43 GHz vs 1.1 GHz Around 2.2x better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Significantly better overclocked clock speed (Water) 2.3 GHz vs 1.1 GHz More than 2x better overclocked clock speed (Water)

Benchmarks Real world tests of Celeron 847 vs Opteron 8356

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Celeron 847
1,460
Opteron 8356
13,936

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Celeron 847
54,500 MB/s
Opteron 8356
79.5 MB/s

Specifications Full list of technical specs

summary

Celeron 847  vs
Opteron 8356 
Clock speed 1.1 GHz 2.3 GHz
Cores Dual core Quad core
Socket type
BGA 1023
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 75W
Annual home energy cost 4.1 $/year 18.07 $/year
Annual commercial energy cost 14.89 $/year 65.7 $/year
Performance per watt 3.23 pt/W 2.16 pt/W
Typical power consumption 13.81W 60.94W

details

Celeron 847  vs
Opteron 8356 
Threads 2 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 2 MB 2 MB
L3 cache per core 1 MB/core 0.5 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 8
Clock multiplier 11 11
Operating temperature Unknown - 100°C 0 - 55°C

overclocking

Overclocked clock speed 1.1 GHz 2.43 GHz
Overclocked clock speed (Water) 1.1 GHz 2.3 GHz
Overclocked clock speed (Air) 1.1 GHz 2.43 GHz

integrated graphics

GPU GPU None
Number of displays supported 2 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 800 MHz N/A
Intel Celeron 847
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AMD Opteron 8356
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