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Phone BlackBerry Curve 3G 9330 Alcatel 665 Nokia Lumia 635 (CDMA) Samsung SCH-A610 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.5" diag.
4 : 3
1.8" diag.
4 : 3
4.5" diag.
16 : 9
? ?
Display Resolution & Type 320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,150 mAh 650 mAh 1,830 mAh 1,300 mAh 800 mAh
Processor ? ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ? ?
RAM ? 16 MB 512 MB ? ?
Storage ? raw hardware 32 MB 8 GB ? raw hardware ? raw hardware
Main Camera 2 megapixel 2 megapixel 5 megapixel Yes Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QCIF (176 x 144) 720p HD - -
Front Camera - - - - -
Weight 3.7 oz
(105g)
2.72 oz
(77g)
4.73 oz
(134g)
4.23 oz
(120g)
3 oz
(85g)
Dimensions 4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Slab Clamshell Slab Clamshell Clamshell
Platform / OS BlackBerry OS (proprietary) Windows (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 850, 1900

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology EVDO r0 - LTE (Cat 3) 1xRTT GPRS
Features 
GPS / Location n/a - n/a Yes -
Accessibility
Adjustable Text Size n/a - n/a - -
Hearing Aid Compatible Yes Yes Yes - -
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes - -
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes Yes Yes - -
Mobile Hotspot n/a - n/a - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
- -
Wi-Fi Yes
802.11 b,g
- Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a Yes n/a Yes Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a - n/a Yes -
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a Yes n/a - -
Data & Network
Data Tethering n/a - n/a Yes -
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes - -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client n/a - n/a - -
EMS / Picture Messaging n/a - n/a Yes Yes
Instant Messaging n/a Yes n/a - -
MMS n/a Yes n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes Yes
Music
FM Radio - Yes Yes - -
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player n/a Yes n/a - -
Photo & Video
DLNA - - Yes - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a - n/a Yes Yes
Voice Memo n/a Yes n/a Yes Yes
Software
BREW n/a - n/a Yes -
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a Yes n/a - Yes
Voice
Headset Jack (2.5 mm) n/a - n/a Yes Yes
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  BlackBerry Curve 3G 9330 Alcatel 665 Nokia Lumia 635 (CDMA) Samsung SCH-A610 Samsung SGH-X640
  X > < X > < X > < X > < X

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

 
Phone BlackBerry Curve 3G 9330 Alcatel 665 Nokia Lumia 635 (CDMA) Samsung SCH-A610 Samsung SGH-X640

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