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Phone Samsung SGH-E640 BlackBerry Curve 3G 9330 Nokia 6275i Samsung Galaxy S6 (GSM) Nokia 2651
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.5" diag.
4 : 3
? 5.1" diag.
16 : 9
?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 1,150 mAh 1,150 mAh 2,550 mAh 760 mAh
Processor ? ? ? 2.1 GHz Samsung Exynos 7420 ?
RAM ? ? ? 3 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB * ? raw hardware
Main Camera 1 megapixel 2 megapixel 2 megapixel 16 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) ? ? 4K UHD -
Front Camera - - - 5 megapixel -
Weight 3.17 oz
(90g)
3.7 oz
(105g)
3.7 oz
(105g)
4.87 oz
(138g)
3.4 oz
(96g)
Dimensions 3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
4.29" x 1.69" x 0.67"
(109 x 43 x 17 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.35" x 1.81" x 0.9"
(85 x 46 x 22.9 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) BlackBerry OS (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1900

Data Technology GPRS EVDO r0 1xRTT LTE (Cat 6) GPRS
Features 
Fingerprint Reader - - - Yes -
Flashlight - - - Yes -
GPS / Location - n/a Yes n/a -
VR-ready - - - Yes -
Accessibility
Adjustable Text Size - n/a - n/a -
Hearing Aid Compatible - Yes - Yes -
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - - Yes Yes -
MirrorLink - - - Yes -
NFC - - - Yes -
USB Yes Yes
Micro-USB
Yes Yes
Micro-USB
-
Wi-Fi - Yes
802.11 b,g
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a -
Ringer ID Yes n/a Yes n/a -
Voice Dialing - n/a Yes n/a -
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers Yes n/a Yes n/a -
Data & Network
Data Tethering - n/a Yes n/a -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - Yes - - -
Touch Screen - - - Yes -
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client Yes n/a - n/a Yes
EMS / Picture Messaging Yes n/a - n/a Yes
Instant Messaging - n/a - n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a -
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes - Yes -
Music Player Yes n/a Yes n/a -
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a Yes n/a -
Voice Memo Yes n/a Yes n/a -
Software
BREW - n/a Yes * n/a -
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a Yes * n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - n/a Yes n/a -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Samsung SGH-E640 BlackBerry Curve 3G 9330 Nokia 6275i Samsung Galaxy S6 (GSM) Nokia 2651
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-E640 BlackBerry Curve 3G 9330 Nokia 6275i Samsung Galaxy S6 (GSM) Nokia 2651

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