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Phone Samsung Impression SGH-A877 Samsung SGH-A657 Asus ROG Phone II HTC HD7 / HD7S Sony Ericsson T68i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
? 6.6" diag.
19.5 : 9
4.3" diag.
5 : 3
?
Display Resolution & Type 240 x 400 pixels
(~146 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
Display Refresh ? ? 120 Hz ? ?
Battery 1,000 mAh 1,420 mAh 6,000 mAh 1,230 mAh 700 mAh
Processor ? ? 3 GHz Qualcomm Snapdragon 855 Plus 1 GHz Qualcomm Snapdragon S1 QSD8250 ?
RAM ? ? 12 GB ? ?
Storage ? raw hardware ? raw hardware 512 GB 16 GB ? raw hardware
Main Camera 3 megapixel - 48 megapixel 5 megapixel -
Wide Camera - - 13 megapixel - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - 4K UHD 720p HD -
Front Camera - - 24 megapixel - -
Weight 5.2 oz
(147g)
4.34 oz
(123g)
8.47 oz
(240g)
5.71 oz
(162g)
2.96 oz
(84g)
Dimensions 4.48" x 2.28" x 0.64"
(114 x 58 x 16.3 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
4.8" x 2.7" x 0.44"
(122 x 69 x 11.2 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Windows (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 HSDPA 3.6 LTE (Cat 20) HSPA 7.2 GPRS
Features 
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - Yes Yes - -
GPS / Location Yes Yes n/a n/a -
Ruggedized - Yes - - -
Accessibility
Hearing Aid Compatible Yes - Yes - -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes - Yes -
Alerts
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - - - Yes
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - - n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes Yes n/a n/a -
Data & Network
Data Tethering Yes Yes n/a n/a Yes
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - Yes Yes -
Memory
Memory Card Slot Yes Yes - - -
Messaging
Email Client Yes Yes n/a n/a Yes
EMS / Picture Messaging - - n/a n/a Yes
Instant Messaging Yes Yes n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - - Yes Yes -
Music Player Yes Yes n/a n/a -
Stereo Speakers - - Yes Yes -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes Yes n/a n/a Yes
Voice Memo Yes Yes n/a n/a Yes
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes Yes n/a n/a -
Voice
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes -
  Samsung Impression SGH-A877 Samsung SGH-A657 Asus ROG Phone II HTC HD7 / HD7S Sony Ericsson T68i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Impression SGH-A877 Samsung SGH-A657 Asus ROG Phone II HTC HD7 / HD7S Sony Ericsson T68i

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