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Phone Samsung SCH-A990 Samsung SGH-X640 Sony Xperia PRO-I Sony Xperia XZ Samsung Galaxy S II / SGH-i777
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? ? 6.5" diag.
21 : 9
5.2" diag.
16 : 9
4.3" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
AMOLED
Display Refresh ? ? 120 Hz 60 Hz 60 Hz
Battery 1,000 mAh 800 mAh 4,500 mAh 2,900 mAh 1,650 mAh
Processor ? ? Qualcomm Snapdragon 888 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) 1.2 GHz Samsung Exynos dual-core
RAM ? ? 12 GB 3 GB ?
Storage ? raw hardware ? raw hardware 512 GB 32 GB 16 GB
Main Camera 3 megapixel Yes 12 megapixel 23 megapixel 8 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 12 megapixel - -
Video Capture ? - 4K UHD 4K UHD 1080p HD
Front Camera - - 8 megapixel 13 megapixel 2 megapixel
Weight 4.4 oz
(125g)
3 oz
(85g)
7.44 oz
(211g)
5.6 oz
(159g)
4.3 oz
(122g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.54" x 2.83" x 0.35"
(166 x 72 x 8.9 mm)
5.7" x 2.8" x 0.3"
(145 x 71 x 7.6 mm)
4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

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

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 GPRS NR (5G) LTE (Cat 9) HSPA+ 21
Features 
Barometer - - - Yes -
Fingerprint Reader - - Yes
stand-alone
Yes * -
Flashlight Yes - Yes Yes -
GPS / Location Yes - n/a n/a n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Mobile Hotspot - - n/a n/a n/a
NFC - - Yes Yes Yes
USB Yes - Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes - n/a n/a n/a
Data & Network
Data Tethering Yes - n/a n/a n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes 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
EMS / Picture Messaging Yes Yes n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player Yes - n/a n/a n/a
Stereo Speakers Yes - Yes Yes -
Photo & Video
DLNA - - - Yes Yes
Miracast - - - Yes -
TV Output Yes - Yes - Yes
Power
Fast Charging - - Yes Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW Yes - n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 Samsung SGH-X640 Sony Xperia PRO-I Sony Xperia XZ Samsung Galaxy S II / SGH-i777
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-A990 Samsung SGH-X640 Sony Xperia PRO-I Sony Xperia XZ Samsung Galaxy S II / SGH-i777

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