Compare Phones
Maximum number of phones selected. Remove a phone to compare others.
Phone | Samsung SCH-A990 | Microsoft Surface Duo 2 | ZTE Aspect | Sony Ericsson T310 | Samsung SGH-X640 |
Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
Global Availability | Released | Released | Released | Released | Released |
Specifications | |||||
---|---|---|---|---|---|
Display Size | ? |
8.3" diag. 4 : 3 |
2.4" diag. 4 : 3 |
? | ? |
Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
2688 x 1892 pixels (~396 ppi) AMOLED |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
Display Refresh | ? | 90 Hz | ? | ? | ? |
Battery | 1,000 mAh | 4,449 mAh | 1,000 mAh | ? | 800 mAh |
Processor | ? | Qualcomm Snapdragon 888 | 230 MHz Qualcomm QSC6270 | ? | ? |
RAM | ? | 8 GB | 128 MB | ? | ? |
Storage | ? raw hardware | 128 GB * | 256 MB | ? raw hardware | ? raw hardware |
Main Camera | 3 megapixel | 12 megapixel | 2 megapixel | - | Yes |
Wide Camera | - | 16 megapixel | - | - | - |
Tele Camera | - | 12 megapixel | - | - | - |
Video Capture | ? | 4K UHD | QVGA (320 x 240) | - | - |
Front Camera | - | 12 megapixel | - | - | - |
Weight |
4.4 oz (125g) |
10.02 oz (284g) |
3.7 oz (105g) |
3.42 oz (97g) |
3 oz (85g) |
Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 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) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
Form Factor | Clamshell | Unique | Slab | Slab | Clamshell |
Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) | (proprietary) |
Network Bands |
CDMA: 850, 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 |
WCDMA: 2, 4 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
Data Technology | EVDO r0 | NR (5G) | WCDMA (UMTS) | GPRS | GPRS |
Features | |||||
Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
Flashlight | Yes | Yes | - | - | - |
GPS / Location | Yes | n/a | Yes | Yes | - |
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 | n/a | Yes | Yes | Yes |
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 USB Type C |
Yes Micro-USB |
Yes | - |
Wi-Fi | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- | - | - |
Contacts | |||||
Picture ID | Yes | n/a | Yes | Yes | Yes |
Ringer ID | Yes | n/a | Yes | Yes | Yes |
Voice Dialing | Yes | n/a | - | - | - |
Customization | |||||
Custom Graphics | Yes | n/a | Yes | Yes | Yes |
Custom Ringtones | Yes | n/a | Yes | Yes | Yes |
Real-Music Ringers | Yes | n/a | Yes | - | - |
Data & Network | |||||
Data Tethering | Yes | n/a | - | Yes | - |
Dual-SIM | - | Yes | - | - | - |
WAP / Web Browser | Yes | n/a | Yes | Yes | Yes |
Input | |||||
Predictive Text Entry | Yes | n/a | Yes | Yes | Yes |
Side Keys | Yes | Yes | Yes | Yes | Yes |
Text Keyboard, Hardware | - | - | Yes | - | - |
Touch Screen | - |
Yes Capacitive |
- | - | - |
Memory | |||||
Memory Card Slot | Yes | - | Yes | - | - |
Messaging | |||||
Email Client | - | n/a | Yes | Yes | - |
EMS / Picture Messaging | Yes | n/a | - | Yes | Yes |
MMS | Yes | n/a | Yes | Yes | Yes |
Text Messaging Templates | Yes | n/a | Yes | Yes | Yes |
Music | |||||
Headphone Jack (3.5mm) | - | - | Yes | - | - |
Music Player | Yes | n/a | Yes | - | - |
Stereo Speakers | Yes | Yes | - | - | - |
Photo & Video | |||||
Miracast | - | Yes | - | - | - |
TV Output | Yes | Yes | - | - | - |
Power | |||||
Fast Charging | - | Yes | - | - | - |
Productivity | |||||
Alarm | Yes | n/a | Yes | Yes | Yes |
Calculator | Yes | n/a | Yes | Yes | Yes |
Calendar | Yes | n/a | Yes | Yes | Yes |
To-Do List | - | n/a | - | - | Yes |
Voice Memo | Yes | n/a | Yes | Yes | Yes |
Software | |||||
BREW | Yes | n/a | - | - | - |
Games | Yes | n/a | Yes | Yes | Yes |
Java (J2ME) | - | n/a | Yes | - | Yes |
Voice | |||||
HD Voice | - | Yes | - | - | - |
Headset Jack (2.5 mm) | - | n/a | - | - | Yes |
Speaker Phone | Yes | Yes | Yes | - | Yes |
Samsung SCH-A990 | Microsoft Surface Duo 2 | ZTE Aspect | Sony Ericsson T310 | Samsung SGH-X640 |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
Phone | Samsung SCH-A990 | Microsoft Surface Duo 2 | ZTE Aspect | Sony Ericsson T310 | Samsung SGH-X640 |