Samsung Galaxy S3 v/s nokia lumia 920

Reasons for the galaxy s3

OS
Plays Adobe Flash	Yes	vs	No	Adobe Flash with Video and Sound is supported in the device's browser.
The browser has word wrap	Yes	vs	No	The web browser has automatic word wrap when zooming, the user can easily read long lines without scrolling horizontally.
Significantly more apps available	850,000	vs	150,000	5.67x more apps available.
PHYSICAL
Thinner	8.6 mm	vs	10.7 mm	2.1 mm thinner.
Less body volume	82.94 cm³	vs	99 cm³	16.22% less body volume.
Lighter	133 g	vs	185 g	52 g lighter.
Narrower	70.6 mm	vs	70.8 mm	0.2 mm narrower.
Lower SAR for head (EU)	0.21 W/kg	vs	0.7 W/kg	0.49 W/kg lower SAR for head (EU). SAR (Specific Absorption Rate) describes how much radio frequency energy emitted by the device will be absorbed by your body. The rate is measured at head level. The legal limit is 2.0 W/kg in the EU.
Definitely lower SAR for head (USA)	0.55 W/kg	vs	1.08 W/kg	0.53 W/kg lower SAR for head (USA). SAR (Specific Absorption Rate) describes how much radio frequency energy emitted by the device will be absorbed by your body. The rate is measured at head level. The legal limit is 1.6 W/kg in the USA.
DISPLAY
A little bit bigger screen size	4.8"	vs	4.5"	6.67% bigger screen size. The bigger the screen size is, the better the user experience.
POWER
A little more battery power	2,100 mAh	vs	2,000 mAh	5% more battery power.
Has a removable battery	Yes	vs	No	The battery is removable and can be replaced by the user if broken
CAMERA
Has a built-in HDR mode	Yes	vs	No	It can automatically shoot pictures with an higher dynamic range (HDR).
Sizably more megapixel (photo, front camera)	1.9 MP	vs	1.3 MP	46.15% more megapixel (photo, front camera).
CONNECTIVITY
Has an external memory slot	Yes	vs	No	The device has a standardized external memory slot in order to easily extend the internal storage with affordable memory modules which can be SD slot, microSD slot, etc.
Has a radio	Yes	vs	No	It works as an FM radio with included headsets
CPU
Faster CPU clock speed	4x 1.4 GHz	vs	2x 1.5 GHz	1.87x faster CPU clock speed.