Sharp 813SH vs Ulefone Armor 3
| Type | Clamshell | Touch |
| Waterproofness & dust-resistance |  | IP68, IP69K |
| Dimensions | 97.00 x 49.00 x 17.60 mm | 164.80 x 79.20 x 18.15 mm |
| Weight | 104.00 g | 364.90 g |
| Display size | 2.40" | 5.70" |
| Display | Color / TFT 256k colors 240 x 320 px (2.40") 167 ppi | Color / IPS TFT 16M colors 1080 x 2160 px (5.70") 424 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | Mono / OLED 96 x 39 px (0.80") | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 240 min. (4.0 h) 3G: 150 min. (2.5 h) | |
| Stand-by (max.) | 2G: 320 h. (13.3 days) 3G: 330 h. (13.8 days) | 2G: 640 h. (26.7 days) |
| Standard battery | | Li-Po 10300 mAhBuy powerbank
|
| Quick battery charging | | Pump Express 2.0 |
| Wireless battery charging | | |
| Internal memory | | 64 GB |
| RAM memory | | 4 GB |
| Memory cards |  microSD | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | - | Android 8.1 Oreo |
| Processor | - | MediaTek Helio P23 MT6763T |
| Processor clock | - | 2500 MHz |
| GPU | - | ARM Mali-G71 MP2 @770 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | | 4Q 2018 |
| Other names | - | - |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 850 900 1700 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1800, 900, 800 |
| CDMA | | CDMA2000 1xEV-DO |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | nd | Sony IMX230 |
| Photo matrix | nd | 21 Mpx |
| Resolution | nd | 6144x3456 px |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.236, H.234, MPEG4 - 30 fps |
| Additional | nd | AF, f/1.8 |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 8 Mpx |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.236, H.234, MPEG4 - 30 fps |
| Additional | nd | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | class 10 | |
| EDGE | | |
| Bluetooth | | v4.0 LE |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 a/b/g/n |
| WiFi frequencies | | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | | T9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | |
| HD Voice | | |
| Sound formats | AAC, AAC+ | AAC, AAC+, AMR, WAV |
| Polyphony | 64 voices | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |