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Phone Samsung Wafer R510 LG Optimus L90 Samsung Impression SGH-A877 LG 6190 Nokia Lumia 635 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
4.7" diag.
16 : 9
3.2" diag.
5 : 3
? 4.5" diag.
16 : 9
Display Resolution & Type 220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~146 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 2,460 mAh 1,000 mAh ? 1,830 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon 400 MSM8226 ? ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM ? 1 GB ? ? 512 MB
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware 8 GB
Main Camera 1 megapixel 5 megapixel 3 megapixel Yes 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 1080p HD QVGA (320 x 240) - 720p HD
Front Camera - Yes - - -
Weight 2.47 oz
(70g)
4.37 oz
(124g)
5.2 oz
(147g)
3.53 oz
(100g)
4.73 oz
(134g)
Dimensions 4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
5.18" x 2.6" x 0.38"
(132 x 66 x 9.7 mm)
4.48" x 2.28" x 0.64"
(114 x 58 x 16.3 mm)
3.54" x 1.89" x 0.98"
(90 x 48 x 24.9 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) Windows
Network Bands

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 HSPA+ 21 HSDPA 3.6 1xRTT LTE (Cat 3)
Features 
Flashlight - Yes - - -
GPS / Location Yes n/a Yes - n/a
Accessibility
Adjustable Text Size - n/a - - n/a
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes - Yes
Infrared (IR) - Yes - - -
Mobile Hotspot - n/a - - n/a
USB - Yes Yes Yes Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes Yes n/a
Ringer ID - n/a Yes Yes n/a
Voice Dialing Yes n/a - Yes n/a
Customization
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers - n/a Yes - n/a
Data & Network
Data Tethering - n/a Yes Yes n/a
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes - n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client - n/a Yes - n/a
Instant Messaging - n/a Yes - n/a
MMS Yes n/a Yes Yes n/a
Text Messaging Templates - n/a Yes Yes n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes - - Yes
Music Player Yes n/a Yes - n/a
Stereo Speakers Yes - - - -
Photo & Video
DLNA - - - - Yes
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List - n/a Yes - n/a
Voice Memo Yes n/a Yes Yes n/a
Software
BREW Yes n/a - - n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) - n/a Yes Yes n/a
Voice
Headset Jack (2.5 mm) - n/a - Yes n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Wafer R510 LG Optimus L90 Samsung Impression SGH-A877 LG 6190 Nokia Lumia 635 (CDMA)
  X > < X > < X > < X > < X

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

 
Phone Samsung Wafer R510 LG Optimus L90 Samsung Impression SGH-A877 LG 6190 Nokia Lumia 635 (CDMA)

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