[morrislee]

Sunspider benchmarks, looking closely at how fast the OS handles webkit engine through the four platforms:

Samsung ARM11 533MHz 32bit (single core) 128MB SDRAM (single channel) - iTouch 2G(iOS 4.2.1): 24229.2ms

S5PC100 600MHz 32bit (single core) 256MB eDRAM (? channel) - iPhone 3GS(iOS 5): 4902.8ms

QSD 8250 768MHz 32bit (single core) 512MB Type Unknown (single channel) - S100(Android2.3.7): 4308.6ms

A4 ~1.0GHz (single core) 512MB eDRAM (? channel) - iPhone 4(iOS 5): 3483.0ms

OMAP 4430 1.0GHz 32bit (dual core) 1GB LPDDR2 400MHz (dual channel) - PlayBook(OS2.0.0.7971): 2549.0ms

AP20H 1.0GHz 32bit (dual core) 1GB LPDDR2 667MHz (single channel) - MB860(Android2.3.7): 2285.9ms

A5 800MHz 32bit (dual core) 512MB eDRAM (? channel) - iPhone 4S(iOS 5): 2270.0ms

N270 1.6GHz 32bit (single core) 1.5GB DDR2 533MHz (single channel) - A110(WindowsXP): 1519.3ms

i5 M460 2.53GHz 64bit (dual core) 4GB RAM DDR3 667MHz (dual channel) AS5820TG(Windows7): 347.7ms

Post your results for your playbook and other devices then I will add it to this list as soon as I can

[app_Developer]

iPhone 4S - 800Mhz A5 (dual core) 512MB RAM iOS 5.1 - 2236.7ms

[CrackedBarry]

Ipad2 OS 5.1 1806
Samsung Galaxy S2 1.2ghz Android 4.03 1934