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| Phone | Samsung Knack U310 | Alcatel PulseMix / A50 / A5 | Samsung Saga i770 | TCL 20 Pro 5G | Samsung SGH-A157 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
5.2" diag. 16 : 9 |
2.6" diag. 1 : 1 |
6.7" diag. 20 : 9 |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~282 ppi) LCD (TFT/TFD) |
320 x 320 pixels (~177 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~395 ppi) AMOLED |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 2,800 mAh | 1,300 mAh | 4,500 mAh | 800 mAh |
| Processor | ? | 1.5 GHz MT6738 | 384 MHz MSM7500 | 2 GHz Qualcomm Snapdragon 750G | ? |
| RAM | ? | 2 GB | ? | 6 GB | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 256 GB | 256 MB |
| Main Camera | - | 8 megapixel | 2 megapixel | 48 megapixel | - |
| Wide Camera | - | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | QVGA (320 x 240) | 4K UHD | - |
| Front Camera | - | 2 megapixel | - | 32 megapixel | - |
| Weight |
3.63 oz (103g) |
5.14 oz (146g) |
4.59 oz (130g) |
6.82 oz (193g) |
2.99 oz (85g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
5.75" x 2.84" x 0.31" (146 x 72 x 7.9 mm) |
4.88" x 2.44" x 0.53" (124 x 62 x 13.5 mm) |
6.46" x 2.87" x 0.36" (164 x 73 x 9.1 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Windows Mobile Professional | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 7, 41, 66, 71, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | LTE (Cat 4) | EVDO rA | NR (5G) | ? |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
- |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a | Yes |
| Water-Resistant | - | - | - |
Yes IPX2 (drip) |
- |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | n/a | Yes |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Infrared (IR) | - | - | - | Yes | - |
| NFC | - | - | - | Yes | - |
| USB | - |
Yes USB Type C |
Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | Yes |
| Ringer ID | - | n/a | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | Yes |
| Custom Ringtones | - | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | - |
| WAP / Web Browser | - | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Stylus | - | - | Yes | - | - |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - | Yes | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | n/a | - |
| MMS | - | n/a | n/a | n/a | Yes |
| Text Messaging Templates | - | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | Yes | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | n/a | n/a | n/a | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | n/a | Yes |
| Voice Memo | - | n/a | n/a | n/a | Yes |
| Software | |||||
| Games | - | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung Knack U310 | Alcatel PulseMix / A50 / A5 | Samsung Saga i770 | TCL 20 Pro 5G | Samsung SGH-A157 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Alcatel PulseMix / A50 / A5 | Samsung Saga i770 | TCL 20 Pro 5G | Samsung SGH-A157 |
