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| Phone | Samsung Knack U310 | Nokia 3220 | Samsung Saga i770 | TCL 20 Pro 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? |
2.6" diag. 1 : 1 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (TFT/TFD) |
320 x 320 pixels (~177 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~395 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 760 mAh | 1,300 mAh | 4,500 mAh |
| Processor | ? | ? | 384 MHz MSM7500 | 2 GHz Qualcomm Snapdragon 750G |
| RAM | ? | ? | ? | 6 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 256 GB |
| Main Camera | - | Yes | 2 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 16 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | QVGA (320 x 240) | 4K UHD |
| Front Camera | - | - | - | 32 megapixel |
| Weight |
3.63 oz (103g) |
3.03 oz (86g) |
4.59 oz (130g) |
6.82 oz (193g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.11" x 1.74" x 0.74" (104 x 44 x 18.8 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) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Professional | Android |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 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 |
| Data Technology | - | EDGE | EVDO rA | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | - | n/a | n/a |
| Water-Resistant | - | - | - |
Yes IPX2 (drip) |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | n/a | n/a |
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| NFC | - | - | - | Yes |
| USB | - | Yes | Yes |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | - | Yes | n/a | n/a |
| Ringer ID | - | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | - | Yes | n/a | n/a |
| Custom Ringtones | - | Yes | n/a | n/a |
| Real-Music Ringers | - | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | n/a |
| WAP / Web Browser | - | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Stylus | - | - | Yes | - |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a |
| Instant Messaging | - | Yes | n/a | n/a |
| MMS | - | Yes | n/a | n/a |
| Text Messaging Templates | - | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | - | n/a | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | - | n/a | n/a |
| Voice Memo | - | Yes | n/a | n/a |
| Software | ||||
| Games | - | Yes | n/a | n/a |
| Java (J2ME) | - | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Knack U310 | Nokia 3220 | Samsung Saga i770 | TCL 20 Pro 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Nokia 3220 | Samsung Saga i770 | TCL 20 Pro 5G |
