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Differences What are the advantages of each

Front view of Intel Pentium P6100

Reasons to consider the
Intel Pentium P6100

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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 28.44W vs 60.94W 2.1x lower typical power consumption
Significantly more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
Newer Jul, 2010 vs Apr, 2008 Release date over 2 years later
Better performance per watt 2.53 pt/W vs 1.23 pt/W More than 2x better performance per watt
Much lower annual home energy cost 8.43 $/year vs 18.07 $/year 2.1x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 65.7 $/year 2.1x lower annual commercial energy cost
Front view of AMD Opteron 8354

Reasons to consider the
AMD Opteron 8354

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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
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Higher clock speed 2.2 GHz vs 2 GHz More than 10% higher clock speed
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Air) 2.35 GHz vs 2.03 GHz More than 15% better overclocked clock speed (Air)
Slightly better PassMark score 2,255 vs 1,328 Around 70% better PassMark score
Slightly better overclocked clock speed (Water) 2.2 GHz vs 2 GHz More than 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium P6100 vs Opteron 8354

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Pentium P6100  vs
Opteron 8354 
Clock speed 2 GHz 2.2 GHz
Cores Dual core Quad core
Socket type
rPGA 988A
F

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 75W
Annual home energy cost 8.43 $/year 18.07 $/year
Annual commercial energy cost 30.66 $/year 65.7 $/year
Performance per watt 2.53 pt/W 1.23 pt/W
Typical power consumption 28.44W 60.94W

details

Pentium P6100  vs
Opteron 8354 
Threads 2 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 8
Clock multiplier 15 11

overclocking

Overclocked clock speed 2.03 GHz 2.35 GHz
Overclocked clock speed (Water) 2 GHz 2.2 GHz
Overclocked clock speed (Air) 2.03 GHz 2.35 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 500 MHz N/A
Turbo clock speed 667 MHz N/A
Intel Pentium P6100
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AMD Opteron 8354
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