Leica Leitz Phone 1 vs JVC J20
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP65, IP68 |  |
| Dimensions | 164.00 x 74.00 x 9.50 mm | 148.00 x 72.00 x 7.90 mm |
| Weight | 212.00 g | 161.00 g |
| Display size | 6.60" | 5.65" |
| Display | Color / OLED 16M colors 240 Hz 1260 x 2730 px (6.60") 456 ppi | Color / IPS TFT 16M colors 1080 x 2160 px (5.65") 427 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 4G: 2120 min. (35.3 h) | |
| Stand-by (max.) | 4G: 520 h. (21.7 days) | |
| Standard battery | Li-Ion 5000 mAhBuy powerbank
| Li-Ion 3400 mAhBuy powerbank
|
| Quick battery charging | Quick Charge | Quick Charge 3.0 |
| Wireless battery charging | | |
| Internal memory | 256 GB | 64 GB |
| RAM memory | 12 GB | 4 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 1000 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
| Operating system | Android 11 | Android 8.0 Oreo |
| Processor | Qualcomm Snapdragon 888 SM8350 | Qualcomm Snapdragon 630 |
| Processor clock | 2800 MHz | 2200 MHz |
| GPU | Adreno 660 | Adreno 508 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | | SingleSIM(nanoSIM) |
| Announced | 2Q 2021 | 3Q 2018 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1700, 1500, 900, 850, 800, 700 TDD LTE: 3500, 2500, 2300, 1900 | |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | Standard | |
| Photo matrix | 20.2 Mpx | 16 Mpx |
| Sensor size | 1/1 | |
| Optical zoom | | |
| Number of lenses | 7 | |
| Focal length | 19 mm | |
| Flash | LED | 2x LED |
| Dual-colour LED flash | | |
| Video resolution | 3840x2160 px | 3840x2160 px |
| Video formats | H.264, H.265, MPEG4 - 30 fps | |
| Additional | AF, f/1.9 | AF |
| Second camera | | |
| Photo matrix | nd | 5 Mpx |
| Optical zoom | nd | |
| Flash | nd | 2x LED |
| Dual-colour LED flash | nd | |
| Additional | nd | FF |
CAMERAS - FRONT
| First camera | | |
| Camera type | Portrait | |
| Photo matrix | 12.6 Mpx | 8 Mpx |
| Optical zoom | | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video formats | H.264, H.265, MPEG4 - 30 fps | |
| Additional | FF, f/2.6 | 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 | 838.00 Mbit/s | |
| LTE UP | 46.00 Mbit/s | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v5.0 | |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac/ax | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | Type-C | 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, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, MID, WAV, eAAC+ | AAC, AAC+, AMR, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | 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 | | |