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Phone Nokia N81 Samsung SGH-i250 i-mate JAQ3 HTC Amaze 4G
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? ? 4.3" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~256 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 1,050 mAh ? 1,100 mAh 1,730 mAh
Processor 369 MHz ARM 11 ? ? 1.5 GHz Qualcomm Snapdragon S3 dual-core
RAM ? ? ? 1 GB
Storage 8 GB * ? raw hardware ? raw hardware 16 GB
Main Camera 2 megapixel 1 megapixel 2 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture VGA (640 x 480) ? ? 1080p HD
Front Camera - - - 2 megapixel
Weight 4.94 oz
(140g)
4.59 oz
(130g)
5.64 oz
(160g)
6.1 oz
(173g)
Dimensions 4.02" x 1.97" x 0.7"
(102 x 50 x 17.8 mm)
3.7" x 1.97" x 1.02"
(94 x 50 x 25.9 mm)
4.96" x 2.66" x 0.57"
(126 x 68 x 14.5 mm)
5.12" x 2.58" x 0.46"
(130 x 66 x 11.7 mm)
Platform / OS S60 (Symbian) Windows Mobile Standard Windows Mobile Professional Android
Network Bands

WCDMA: 1

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EDGE GPRS EDGE HSPA+ 42
Features 
Flashlight - - - Yes
Accessibility
Hearing Aid Compatible - - - Yes
TTY/TDD (Digital) - - Yes Yes
Alerts
Extra Display - Yes - -
Ringer Profiles Yes Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes -
NFC - - - Yes
USB Yes
Micro-USB
- Yes
Mini-USB
Yes
Wi-Fi Yes
802.11 b,g
- Yes
802.11 b,g
Yes
4 (802.11 a,b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - - Yes Yes
Memory
Memory Card Slot Yes * Yes Yes Yes
Music
FM Radio Yes - - Yes
Headphone Jack (3.5mm) Yes - - Yes
Stereo Speakers Yes - - -
Photo & Video
DLNA - - - Yes
TV Output - - - Yes
Voice
Push-To-Talk Yes * - - -
Speaker Phone Yes - Yes Yes
  * Some versions only
  Nokia N81 Samsung SGH-i250 i-mate JAQ3 HTC Amaze 4G
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia N81 Samsung SGH-i250 i-mate JAQ3 HTC Amaze 4G

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