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Phone Coolpad REVVL Plus Samsung Impression SGH-A877 Samsung SGH-X820 Samsung SGH-E640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6" diag.
16 : 9
3.2" diag.
5 : 3
? ?
Display Resolution & Type 1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~146 ppi)
AMOLED
220 x 176 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ?
Battery 3,380 mAh 1,000 mAh 650 mAh 800 mAh
Processor 2 GHz Qualcomm Snapdragon 625 (MSM8953) ? ? ?
RAM 2 GB ? ? ?
Storage 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 13 megapixel 3 megapixel 2 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD QVGA (320 x 240) ? QCIF (176 x 144)
Front Camera 8 megapixel - - -
Weight 6.91 oz
(196g)
5.2 oz
(147g)
2.33 oz
(66g)
3.17 oz
(90g)
Dimensions 6.49" x 3.24" x 0.34"
(165 x 82 x 8.6 mm)
4.48" x 2.28" x 0.64"
(114 x 58 x 16.3 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS Android (proprietary) (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 6) HSDPA 3.6 EDGE GPRS
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - - -
GPS / Location n/a Yes - -
Accessibility
Hearing Aid Compatible Yes Yes - -
Multiple Languages n/a Yes Yes Yes
TTY/TDD (Digital) Yes - - -
Alerts
Extra Display - - - Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes
Micro-USB
Yes Yes Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID n/a Yes Yes Yes
Ringer ID n/a Yes Yes Yes
Customization
Custom Graphics n/a Yes Yes Yes
Custom Ringtones n/a Yes Yes Yes
Real-Music Ringers n/a Yes Yes Yes
Data & Network
Data Tethering n/a Yes - -
External Antenna Jack n/a - Yes -
WAP / Web Browser n/a Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen Yes Yes - -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client n/a Yes Yes Yes
EMS / Picture Messaging n/a - Yes Yes
Instant Messaging n/a Yes - -
MMS n/a Yes Yes Yes
Text Messaging Templates n/a Yes Yes Yes
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes - - -
Music Player n/a Yes - Yes
Photo & Video
TV Output - - Yes -
Productivity
Alarm n/a Yes Yes Yes
Calculator n/a Yes Yes Yes
Calendar n/a Yes Yes Yes
To-Do List n/a Yes Yes Yes
Voice Memo n/a Yes Yes Yes
Software
Games n/a Yes Yes Yes
Java (J2ME) n/a Yes Yes Yes
Voice
HD Voice Yes - - -
Speaker Phone Yes Yes Yes Yes
  Coolpad REVVL Plus Samsung Impression SGH-A877 Samsung SGH-X820 Samsung SGH-E640
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Phone Coolpad REVVL Plus Samsung Impression SGH-A877 Samsung SGH-X820 Samsung SGH-E640

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