Sharp 770SH MM vs Redmi K20 Pro
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Prices
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| Type | Clamshell | Touch |
| Dimensions | 101.00 x 49.90 x 17.10 mm | 156.70 x 74.30 x 8.80 mm |
| Weight | 101.00 g | 191.00 g |
| Display size | 2.20" | 6.39" |
| Display | Color / LCD 256k colors 240 x 320 px (2.20") 182 ppi | Color / AMOLED 16M colors 1080 x 2340 px (6.39") 403 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector |
| Additional display | Mono / LCD 12 x 72 px | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 220 min. (3.7 h) 3G: 140 min. (2.3 h) |  |
| Stand-by (max.) | 2G: 330 h. (13.8 days) 3G: 320 h. (13.3 days) | |
| Standard battery | | Li-Po 4000 mAhBuy powerbank |
| Quick battery charging | |  |
| Wireless battery charging | | |
| Phonebook memory | 500 places | |
| Internal memory | 20 MB | 64 GB, 128 GB, 256 GB |
| RAM memory | | 6 GB, 8 GB, 12 GB |
| Memory cards | microSD | |
| Operating system | - | Android 9.0 Pie |
| Interface | - | MIUI 10 |
| Processor | - | Qualcomm Snapdragon 855 |
| Processor clock | - | 2840 MHz |
| GPU | - | Adreno 640 |
| Touchscreen | | |
| SAR (10g) | 0,36 W/kg | |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | 2Q 2006 | 2Q 2019 |
| Other names | - | Xiaomi Redmi K20 Pro |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 850 900 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300, 2100, 1900 |
| CDMA | | |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | | Sony IMX586 |
| Photo matrix | 1.3 Mpx | 48 Mpx |
| Resolution | 1280x960 px | 8000x6000 px |
| Optical zoom | | |
| Digital zoom | 4x | 10x |
| Flash | | 2x LED |
| Dual-colour LED flash | | |
| Video resolution | 176x144 px | 3840x2160 px |
| Video formats | H.263 | H.263, H.264, H.265, MPEG4 - 60 fps |
| Additional | - | AF, Laser AF, f/1.75 |
| Second camera | | |
| Photo sensor model | nd | OmniVision OV8856 |
| Photo matrix | nd | 8 Mpx |
| Resolution | nd | 3264x2448 px |
| Optical zoom | nd | |
| Flash | nd | 2x LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 - 60 fps |
| Additional | nd | AF, Laser AF, f/2.4 |
| Third camera | | |
| Photo sensor model | nd | Samsung S5K3L6 |
| Photo matrix | nd | 13 Mpx |
| Resolution | nd | 4208x3120 px |
| Optical zoom | nd | |
| Flash | nd | 2x LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 - 60 fps |
| Additional | nd | FF, Laser AF, f/2.4 |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | | 20 Mpx |
| Resolution | 640x480 px | |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | nd | 1920x1080 px |
| Video formats | nd | H.263, H.264, H.265, MPEG4 - 60 fps |
| Additional | - | FF, f/2.2 |
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 | | 979.00 Mbit/s |
| LTE UP | | - |
| WIMAX+ | | |
| GPRS | class 10 | |
| EDGE | | |
| Bluetooth | v1.1 | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 a/b/g/n/ac |
| WiFi frequencies | | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v1.1 | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | POP3 | POP3,IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, eAAC+ | AAC, AAC+, AMR, FLAC, MKA, WAV, eAAC+ |
| Polyphony | 40 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 | | |