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Phone Samsung SGH-X640 Ericsson T66 Coolpad Conjr Nokia 6650 fold
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 5" diag.
16 : 9
2.2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
? 720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 800 mAh ? 2,500 mAh 1,500 mAh
Processor ? ? 1 GHz MediaTek MT6735 369 MHz ARM 11
RAM ? ? 3 GB ?
Storage ? raw hardware ? raw hardware 16 GB ? raw hardware
Main Camera Yes - 13 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - 1080p HD QVGA (320 x 240)
Front Camera - - 8 megapixel -
Weight 3 oz
(85g)
2.08 oz
(59g)
5.14 oz
(146g)
3.95 oz
(112g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
3.93" x 1.86" x 0.64"
(100 x 47 x 16.2 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android S60 (Symbian)
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS - LTE (Cat 4) HSDPA 3.6
Features 
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes -
GPS / Location - - n/a n/a
Accessibility
Hearing Aid Compatible - - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) - - Yes -
Alerts
Extra Display - - - Yes
Ringer Profiles - Yes - Yes
Connectivity
Bluetooth - - Yes Yes
USB - - Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes - n/a n/a
Ringer ID Yes - n/a n/a
Voice Dialing - - n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers - - n/a n/a
Data & Network
Data Tethering - - n/a n/a
Dual-SIM - - Yes -
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client - - n/a n/a
EMS / Picture Messaging Yes Yes n/a n/a
Instant Messaging - - n/a n/a
MMS Yes - n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - - n/a n/a
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List Yes Yes n/a n/a
Voice Memo Yes - n/a n/a
Software
Games Yes Yes n/a n/a
Java (J2ME) Yes - n/a n/a
Voice
Headset Jack (2.5 mm) Yes - n/a n/a
Speaker Phone Yes - Yes Yes
  Samsung SGH-X640 Ericsson T66 Coolpad Conjr Nokia 6650 fold
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Phone Samsung SGH-X640 Ericsson T66 Coolpad Conjr Nokia 6650 fold

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