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Phone | Samsung SCH-A990 | ZTE Aspect | Sony Ericsson T310 | Microsoft Surface Duo 2 |
Current U.S. Carriers | (none) | (none) | (none) | (none) |
Global Availability | Released | Released | Released | Released |
Specifications | ||||
---|---|---|---|---|
Display Size | ? |
2.4" diag. 4 : 3 |
? |
8.3" diag. 4 : 3 |
Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
2688 x 1892 pixels (~396 ppi) AMOLED |
Display Refresh | ? | ? | ? | 90 Hz |
Battery | 1,000 mAh | 1,000 mAh | ? | 4,449 mAh |
Processor | ? | 230 MHz Qualcomm QSC6270 | ? | Qualcomm Snapdragon 888 |
RAM | ? | 128 MB | ? | 8 GB |
Storage | ? raw hardware | 256 MB | ? raw hardware | 128 GB * |
Main Camera | 3 megapixel | 2 megapixel | - | 12 megapixel |
Wide Camera | - | - | - | 16 megapixel |
Tele Camera | - | - | - | 12 megapixel |
Video Capture | ? | QVGA (320 x 240) | - | 4K UHD |
Front Camera | - | - | - | 12 megapixel |
Weight |
4.4 oz (125g) |
3.7 oz (105g) |
3.42 oz (97g) |
10.02 oz (284g) |
Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm) |
4.09" x 1.93" x 0.75" (104 x 49 x 19.1 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
Form Factor | Clamshell | Slab | Slab | Unique |
Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 4 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
Data Technology | EVDO r0 | WCDMA (UMTS) | GPRS | NR (5G) |
Features | ||||
Fingerprint Reader | - | - | - |
Yes stand-alone |
Flashlight | Yes | - | - | Yes |
GPS / Location | Yes | Yes | Yes | n/a |
Accessibility | ||||
Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Multiple Languages | Yes | Yes | Yes | n/a |
TTY/TDD (Digital) | Yes | Yes | - | - |
Alerts | ||||
Extra Display | Yes | - | - | - |
Ringer Profiles | - | Yes | - | - |
Connectivity | ||||
Bluetooth | Yes | Yes | - | Yes |
Infrared (IR) | - | - | Yes | - |
NFC | - | - | - | Yes |
USB | Yes |
Yes Micro-USB |
Yes |
Yes USB Type C |
Wi-Fi | - | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Contacts | ||||
Picture ID | Yes | Yes | Yes | n/a |
Ringer ID | Yes | Yes | Yes | n/a |
Voice Dialing | Yes | - | - | n/a |
Customization | ||||
Custom Graphics | Yes | Yes | Yes | n/a |
Custom Ringtones | Yes | Yes | Yes | n/a |
Real-Music Ringers | Yes | Yes | - | n/a |
Data & Network | ||||
Data Tethering | Yes | - | Yes | n/a |
Dual-SIM | - | - | - | Yes |
WAP / Web Browser | Yes | Yes | Yes | n/a |
Input | ||||
Predictive Text Entry | Yes | Yes | Yes | n/a |
Side Keys | Yes | Yes | Yes | Yes |
Text Keyboard, Hardware | - | Yes | - | - |
Touch Screen | - | - | - |
Yes Capacitive |
Memory | ||||
Memory Card Slot | Yes | Yes | - | - |
Messaging | ||||
Email Client | - | Yes | Yes | n/a |
EMS / Picture Messaging | Yes | - | Yes | n/a |
MMS | Yes | Yes | Yes | n/a |
Text Messaging Templates | Yes | Yes | Yes | n/a |
Music | ||||
Headphone Jack (3.5mm) | - | Yes | - | - |
Music Player | Yes | Yes | - | n/a |
Stereo Speakers | Yes | - | - | Yes |
Photo & Video | ||||
Miracast | - | - | - | Yes |
TV Output | Yes | - | - | Yes |
Power | ||||
Fast Charging | - | - | - | Yes |
Productivity | ||||
Alarm | Yes | Yes | Yes | n/a |
Calculator | Yes | Yes | Yes | n/a |
Calendar | Yes | Yes | Yes | n/a |
Voice Memo | Yes | Yes | Yes | n/a |
Software | ||||
BREW | Yes | - | - | n/a |
Games | Yes | Yes | Yes | n/a |
Java (J2ME) | - | Yes | - | n/a |
Voice | ||||
HD Voice | - | - | - | Yes |
Speaker Phone | Yes | Yes | - | Yes |
Samsung SCH-A990 | ZTE Aspect | Sony Ericsson T310 | Microsoft Surface Duo 2 |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
Phone | Samsung SCH-A990 | ZTE Aspect | Sony Ericsson T310 | Microsoft Surface Duo 2 |