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| Phone | Samsung Knack U310 | Samsung SGH-A727 | HTC G2 | LG Revolution | Google Pixel 3a XL |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? |
3.7" diag. 5 : 3 |
4.3" diag. 5 : 3 |
6" diag. 18 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | ? | 1,300 mAh | 1,500 mAh | 3,700 mAh |
| Processor | ? | ? | 800 MHz Qualcomm S2 MSM7230 | 1 GHz Qualcomm Snapdragon S2 MSM8655 | 2 GHz Qualcomm Snapdragon 670 |
| RAM | ? | ? | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB | 64 GB |
| Main Camera | - | 1 megapixel | 5 megapixel | 5 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | 720p HD | 720p HD | 4K UHD |
| Front Camera | - | - | - | 1 megapixel | 8 megapixel |
| Weight |
3.63 oz (103g) |
2.82 oz (80g) |
6.5 oz (184g) |
6.08 oz (172g) |
5.89 oz (167g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm) |
6.3" x 3" x 0.3" (160 x 76 x 7.6 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | HSDPA 1.8 | HSPA 14.4 | LTE (Cat 3) | LTE (Cat 11) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | Yes | - | n/a | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | Yes | - | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a | n/a |
| NFC | - | - | - | - | Yes |
| USB | - | Yes | Yes | Yes |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | - | Yes | n/a | n/a | n/a |
| Ringer ID | - | Yes | n/a | n/a | n/a |
| Voice Dialing | Yes | - | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | Yes | n/a | n/a | n/a |
| Custom Ringtones | - | 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 |
| WAP / Web Browser | - | 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 |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | Yes | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | - | n/a | n/a | n/a |
| Instant Messaging | - | Yes | n/a | n/a | n/a |
| MMS | - | Yes | n/a | n/a | n/a |
| Text Messaging Templates | - | 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 |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| TV Output | - | - | - | Yes | - |
| Video Calling | - | - | n/a | n/a | n/a |
| Power | |||||
| Fast Charging | - | - | - | - | 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 | n/a | n/a | n/a |
| Software | |||||
| Games | - | Yes | n/a | n/a | n/a |
| Java (J2ME) | - | Yes | n/a | n/a | n/a |
| Voice | |||||
| Call Screening | - | - | - | - | Yes |
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung Knack U310 | Samsung SGH-A727 | HTC G2 | LG Revolution | Google Pixel 3a XL | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Samsung SGH-A727 | HTC G2 | LG Revolution | Google Pixel 3a XL |
