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Phone Nokia Lumia 521 / 520 Alcatel 665 BlackBerry Curve 8350i Samsung SCH-A310 Motorola i80s
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
1.8" diag.
4 : 3
2.4" diag.
4 : 3
? ?
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (Grayscale)
?
Display Refresh ? ? ? ? ?
Battery 1,430 mAh 650 mAh 1,400 mAh ? ?
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 ? ? ? ?
RAM 512 MB 16 MB ? ? ?
Storage 8 GB 32 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel 2 megapixel 2 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD QCIF (176 x 144) ? - -
Front Camera - - - - -
Weight 4.39 oz
(124g)
2.72 oz
(77g)
4.76 oz
(135g)
3.2 oz
(91g)
4 oz
(113g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
4.37" x 2.44" x 0.71"
(111 x 62 x 18 mm)
3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
5.4" x 2" x 1"
(137 x 51 x 25.4 mm)
Form Factor Slab Clamshell Slab Clamshell Slab
Platform / OS Windows (proprietary) BlackBerry OS (proprietary) (proprietary)
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1900

iDEN: 800

CDMA: 850, 1900

AMPS: 850

iDEN: 800

Data Technology HSPA+ 21 - - 1xRTT -
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 - Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles - Yes Yes - Yes
Connectivity
Bluetooth Yes Yes Yes - -
Mobile Hotspot n/a - n/a - -
USB Yes Yes
Micro-USB
Yes Yes -
Wi-Fi Yes - Yes
802.11 b,g
- -
Contacts
Picture ID n/a Yes n/a - -
Ringer ID n/a Yes n/a - -
Voice Dialing n/a - n/a Yes Yes
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a Yes n/a - -
Custom Ringtones n/a Yes n/a - -
Real-Music Ringers n/a Yes n/a - -
Data & Network
Data Tethering n/a - n/a Yes 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 - -
Instant Messaging n/a Yes n/a - -
MMS n/a Yes n/a - -
Text Messaging Templates n/a Yes n/a - -
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) Yes Yes - - -
Music Player n/a Yes n/a - -
Productivity
Alarm n/a Yes n/a - Yes
Calculator n/a Yes n/a - Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a - n/a - -
Voice Memo n/a Yes n/a Yes Yes
Software
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
Push-To-Talk - - Yes - Yes
Speaker Phone Yes Yes Yes - Yes
  Nokia Lumia 521 / 520 Alcatel 665 BlackBerry Curve 8350i Samsung SCH-A310 Motorola i80s
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 521 / 520 Alcatel 665 BlackBerry Curve 8350i Samsung SCH-A310 Motorola i80s

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