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Phone Apple iPhone 4 (GSM) T-Mobile REVVL 4 Samsung Ace SPH-i325 Samsung SCH-A990 Coolpad Conjr
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
6.2" diag.
19 : 9
2.3" diag.
4 : 3
? 5" diag.
16 : 9
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
720 x 1520 pixels
(~270 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~174 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? 60 Hz
Battery ? 3,500 mAh 1,300 mAh 1,000 mAh 2,500 mAh
Processor Apple A4 2 GHz MediaTek Helio A22 (MT6761) 416 MHz PXA270 ? 1 GHz MediaTek MT6735
RAM ? 2 GB ? ? 3 GB
Storage 32 GB * 32 GB ? raw hardware ? raw hardware 16 GB
Main Camera 5 megapixel 13 megapixel 1 megapixel 3 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD QVGA (320 x 240) ? 1080p HD
Front Camera Yes 5 megapixel - - 8 megapixel
Weight 4.8 oz
(136g)
5.59 oz
(158g)
3.9 oz
(111g)
4.4 oz
(125g)
5.14 oz
(146g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
6.26" x 2.99" x 0.32"
(159 x 76 x 8.1 mm)
4.65" x 2.32" x 0.46"
(118 x 59 x 11.7 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS iOS Android Windows Mobile Standard (proprietary) Android
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800

CDMA: 850, 1900

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

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology HSPA 7.2 LTE (Cat 6) EVDO r0 EVDO r0 LTE (Cat 4)
Features 
Fingerprint Reader - Yes
stand-alone
- - Yes
stand-alone
Flashlight - Yes - Yes Yes
GPS / Location n/a n/a n/a Yes n/a
Accessibility
Adjustable Text Size n/a n/a n/a - n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a n/a n/a - n/a
USB Yes Yes
USB Type C
Yes Yes Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a n/a n/a Yes n/a
Ringer ID n/a n/a n/a Yes n/a
Voice Dialing n/a n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a n/a Yes n/a
Custom Ringtones n/a n/a n/a Yes n/a
Real-Music Ringers n/a n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a n/a Yes n/a
Dual-SIM - - - - Yes
WAP / Web Browser n/a n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes
Capacitive
Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a n/a n/a - n/a
EMS / Picture Messaging n/a n/a n/a Yes n/a
MMS n/a n/a n/a Yes n/a
Text Messaging Templates n/a n/a n/a Yes n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) Yes Yes - - Yes
Music Player n/a n/a n/a Yes n/a
Stereo Speakers - - - Yes -
Photo & Video
TV Output Yes - - Yes -
Productivity
Alarm n/a n/a n/a Yes n/a
Calculator n/a n/a n/a Yes n/a
Calendar n/a n/a n/a Yes n/a
To-Do List n/a n/a n/a - n/a
Voice Memo n/a n/a n/a Yes n/a
Software
BREW n/a n/a n/a Yes n/a
Games n/a n/a n/a Yes n/a
Voice
HD Voice - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Apple iPhone 4 (GSM) T-Mobile REVVL 4 Samsung Ace SPH-i325 Samsung SCH-A990 Coolpad Conjr
  X > < X > < X > < X > < X

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

 
Phone Apple iPhone 4 (GSM) T-Mobile REVVL 4 Samsung Ace SPH-i325 Samsung SCH-A990 Coolpad Conjr

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