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| Phone | Samsung Knack U310 | LG Tritan AX-840 / UX-840 | Asus ROG Phone 5(s) (Pro / Ultimate) | Samsung Galaxy S II / SGH-i777 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
3" diag. 5 : 3 |
6.8" diag. 20.5 : 9 |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
1080 x 2448 pixels (~395 ppi) AMOLED |
480 x 800 pixels (~217 ppi) AMOLED |
| Display Refresh | ? | ? | 144 Hz | 60 Hz |
| Battery | 1,000 mAh | 950 mAh | 6,000 mAh | 1,650 mAh |
| Processor | ? | ? | Qualcomm Snapdragon 888 | 1.2 GHz Samsung Exynos dual-core |
| RAM | ? | ? | 16 GB * | ? |
| Storage | ? raw hardware | ? raw hardware | 256 GB * | 16 GB |
| Main Camera | - | 3 megapixel | 64 megapixel | 8 megapixel |
| Wide Camera | - | - | 13 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | 8K | 1080p HD |
| Front Camera | - | - | 24 megapixel | 2 megapixel |
| Weight |
3.63 oz (103g) |
5.03 oz (143g) |
8.43 oz (239g) |
4.3 oz (122g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm) |
6.81" x 3.03" x 0.39" (173 x 77 x 9.9 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 41, 66, 71, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 41, 48, 66, 71 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | EVDO r0 | NR (5G) | HSPA+ 21 |
| Features | ||||
| Fingerprint Reader | - | - |
Yes in-display (optical) |
- |
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | Yes | Yes | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes * | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| NFC | - | - | Yes | Yes |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 a,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 | ||||
| Custom Graphics | - | Yes | n/a | n/a |
| Custom Ringtones | - | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | - | n/a | n/a |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | - | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | - | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes | Yes |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | n/a | n/a |
| EMS / Picture Messaging | 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 | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | - | Yes | n/a | n/a |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| Voice Memo | - | Yes | n/a | n/a |
| Software | ||||
| BREW | - | Yes | n/a | n/a |
| Games | - | 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 |
| * Some versions only | ||||
| Samsung Knack U310 | LG Tritan AX-840 / UX-840 | Asus ROG Phone 5(s) (Pro / Ultimate) | Samsung Galaxy S II / SGH-i777 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | LG Tritan AX-840 / UX-840 | Asus ROG Phone 5(s) (Pro / Ultimate) | Samsung Galaxy S II / SGH-i777 |
