The long wait is over: The Samsung Galaxy S III has finally arrived. But how does it stack up against other top smartphones that we already know about? We've listed a full rundown of specs right here, so you can make an informed decision about whether or not it's worth it to spring for this slick new phone.

  Samsung Galaxy S III HTC One X Apple iPhone 4S
Availablity  Available end of May in Europe,
LTE version available later 
AT&T, May 6, $199  AT&T / Verizon / Sprint,
Available Now,
$199
Colors Marble white, Pebble blue White Black, White
Operating System

Android 4.0 (Ice Cream Sandwich)
with TouchWiz 

 Android 4.0 (Ice Cream Sandwich)
with HTC Sense 4 
iOS 5
Processor Quad-core 1.4Ghz
Samsung Exynos
Dual-core 1.5GHz
Qualcomm Snapdragon S4
Dual-core Apple A5
RAM 1GB 1GB 512MB
Cellular HSPA+ 21, LTE expected  LTE and HSPA+  HSPA+ 14.4, CDMA / EDVO Rev. A
Storage  16GB / 32GB / 64 GB internal, 
micro SD expandable
16GB internal   16GB / 32GB / 64GB interna
Dimensions (in)  136.6 x 70.6 x 8.6mm 134.6 x 69.9 x 8.9mm  115.2 x 58.6 x 9.3mm
Weight 133g 130g  140g
Display Size 4.8-inch 4.7-inch 3.5-inch
Display Resolution 1280 x 720 pixels, 
306 ppi
1280 x 720 pixels, 
316 ppi
960 x 640 pixels, 
326 ppi
Display Technology HD Super AMOLED  Super LCD 2  IPS LCD
Back Camera 8-megapixel 8-megapixel, f/2.0  8-megapixel, f/2.4
Front Camera 1.9-megapixel  1.3-megapixel VGA 
Video recording 1080p 1080p 1080p 
Battery 2,100 mAh  1,800 mAh  1,420 mAh
Gyroscope  Yes Yes   Yes
Accelerometer  Yes  Yes  Yes

So there you have it. It's worth considering that raw specs shouldn't be your only consideration in selecting a smartphone, but either way, Samsung's newest flagship device keeps right in step with the competition, and even outdoes them in many other ways.