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Differences What are the advantages of each

Front view of Nvidia Tegra 2 (250 AP20H)

Reasons to consider the
Nvidia Tegra 2 (250 AP20H)

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Newer manufacturing process 40 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 0.81W vs 20.31W 25x lower typical power consumption
Significantly more l2 cache per core 0.5 MB/core vs 0.17 MB/core More than 3x more l2 cache per core
Significantly lower annual home energy cost 0.24 $/year vs 6.02 $/year 25x lower annual home energy cost
Significantly lower annual commercial energy cost 0.88 $/year vs 21.9 $/year 25x lower annual commercial energy cost
Front view of AMD Phenom II P820

Reasons to consider the
AMD Phenom II P820

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Significantly higher clock speed 1.8 GHz vs 1 GHz 80% higher clock speed
More advanced architecture x86-64 vs ARM A 64-bit architecture allows more RAM to be installed and accessed by the processor
More cores 3 vs 2 1 more cores; run more applications at once
Newer May, 2010 vs Jan, 2010 Release date 4 months later

Benchmarks Real world tests of Tegra 2 (250 AP20H) vs Phenom II P820

GeekBench

Specifications Full list of technical specs

summary

Tegra 2 (250 AP20H)  vs
Phenom II P820 
Clock speed 1 GHz 1.8 GHz
Cores Dual core Tri core

integrated graphics

GPU GPU None
Label ULP GeForce N/A
GPU clock speed 300 MHz N/A

details

Tegra 2 (250 AP20H)  vs
Phenom II P820 
Architecture ARM x86-64
Threads 2 3
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.17 MB/core
Manufacture process 40 nm 45 nm

power consumption

TDP 1W 25W
Annual home energy cost 0.24 $/year 6.02 $/year
Annual commercial energy cost 0.88 $/year 21.9 $/year
Typical power consumption 0.81W 20.31W
Nvidia Tegra 2 (250 AP20H)
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AMD Phenom II P820
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