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| Phone | Samsung Galaxy S21 | Samsung Delve R800 | Samsung Knack U310 | HTC G2 |
| Current U.S. Carriers | Verizon | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
3" diag. 5 : 3 |
2.2" diag. 4 : 3 |
3.7" diag. 5 : 3 |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
240 x 400 pixels (~154 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
| Display Refresh | 120 Hz | ? | ? | 60 Hz |
| Battery | 4,000 mAh | 1,000 mAh | 1,000 mAh | 1,300 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | ? | ? | 800 MHz Qualcomm S2 MSM7230 |
| RAM | 8 GB | ? | ? | ? |
| Storage | 128 GB * | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | 2 megapixel | - | 5 megapixel |
| Wide Camera | 12 megapixel | - | - | - |
| Tele Camera | 64 megapixel | - | - | - |
| Video Capture | 8K | QVGA (320 x 240) | - | 720p HD |
| Front Camera | 10 megapixel | - | - | - |
| Weight |
6.03 oz (171g) |
3.63 oz (103g) |
3.63 oz (103g) |
6.5 oz (184g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.55" x 2.15" x 0.49" (116 x 55 x 12.4 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | NR (5G) | EVDO r0 | - | HSPA 14.4 |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
- | - | - |
| Flashlight | Yes | - | - | - |
| GPS / Location | n/a | Yes | Yes | n/a |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | Yes | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | n/a | - | - | n/a |
| NFC | Yes | - | - | - |
| USB |
Yes USB Type C |
Yes | - | Yes |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | - | n/a |
| Ringer ID | n/a | Yes | - | n/a |
| Voice Dialing | n/a | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | - | n/a |
| Custom Ringtones | n/a | Yes | - | n/a |
| Real-Music Ringers | n/a | Yes | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | n/a |
| WAP / Web Browser | n/a | Yes | - | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Resistive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | - | n/a |
| EMS / Picture Messaging | n/a | - | Yes | n/a |
| Instant Messaging | n/a | - | - | n/a |
| MMS | n/a | Yes | - | n/a |
| Text Messaging Templates | n/a | Yes | - | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | n/a | Yes | - | n/a |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Wireless Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| Voice Memo | n/a | Yes | - | n/a |
| Software | ||||
| BREW | n/a | Yes | - | n/a |
| Games | n/a | Yes | - | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | - | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Galaxy S21 | Samsung Delve R800 | Samsung Knack U310 | HTC G2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | Samsung Delve R800 | Samsung Knack U310 | HTC G2 |
