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Phone Coolpad Conjr AT&T Vista Samsung M220 Samsung SGH-X640 Ericsson T66
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
5.5" diag.
18 : 9
1.5" diag.
4 : 3
? ?
Display Resolution & Type 720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~137 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
?
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 2,500 mAh 2,450 mAh 800 mAh 800 mAh ?
Processor 1 GHz MediaTek MT6735 2 GHz MediaTek Helio A22 (MT6761V) ? ? ?
RAM 3 GB 3 GB ? ? ?
Storage 16 GB 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 13 megapixel 8 megapixel - Yes -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD 1080p HD - - -
Front Camera 8 megapixel 5 megapixel - - -
Weight 5.14 oz
(146g)
5.51 oz
(156g)
3.1 oz
(88g)
3 oz
(85g)
2.08 oz
(59g)
Dimensions 5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
3.5" x 1.9" x 0.8"
(89 x 48 x 20.3 mm)
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)
Form Factor Slab Slab Clamshell Clamshell Slab
Platform / OS Android Android (proprietary) (proprietary) (proprietary)
Network Bands

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

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 4) 1xRTT GPRS -
Features 
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes Yes - - -
GPS / Location n/a n/a Yes - -
Accessibility
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
- -
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) Yes - Yes - -
Alerts
Extra Display - - Yes - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes - -
USB Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
- -
Wi-Fi Yes
4 (802.11 b,g,n)
Yes - - -
Contacts
Picture ID n/a n/a Yes Yes -
Ringer ID n/a n/a Yes Yes -
Voice Dialing n/a n/a Yes - -
Customization
Custom Graphics n/a n/a Yes Yes Yes
Custom Ringtones n/a n/a Yes Yes Yes
Data & Network
Data Tethering n/a n/a Yes - -
Dual-SIM Yes - - - -
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- - -
Memory
Memory Card Slot Yes Yes - - -
Messaging
EMS / Picture Messaging n/a n/a - Yes Yes
MMS n/a n/a - Yes -
Text Messaging Templates n/a n/a Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes Yes
To-Do List n/a n/a Yes Yes Yes
Voice Memo n/a n/a Yes Yes -
Software
Games n/a n/a Yes Yes Yes
Java (J2ME) n/a n/a Yes Yes -
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) n/a n/a Yes Yes -
Speaker Phone Yes Yes Yes Yes -
  Coolpad Conjr AT&T Vista Samsung M220 Samsung SGH-X640 Ericsson T66
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Phone Coolpad Conjr AT&T Vista Samsung M220 Samsung SGH-X640 Ericsson T66

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