Oukitel U20 Plus vs Oukitel U23
| Type | Touch | Touch |
| Dimensions | 154.00 x 77.50 x 8.50 mm | 153.50 x 73.20 x 8.70 mm |
| Weight | 195.00 g | 201.00 g |
| Display size | 5.50" | 6.18" |
| Display | Color / IPS TFT 16M colors 1080 x 1920 px (5.50") 401 ppi | Color / IPS TFT 16M colors 1080 x 2246 px (6.18") 403 ppi |
| Display protection |   |  |
| Additional display | | |
| Protection of the secondary display | | |
| Standard battery | Li-Ion 3300 mAhBuy powerbank
| Li-Po 3500 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | Qi |
| Internal memory | 16 GB | 64 GB |
| RAM memory | 2 GB | 6 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC, microSDXC up to 64 GBBuy memory card |
| Operating system | Android 6.0 Marshmallow | Android 8.1 Oreo |
| Processor | MediaTek MT6737T | MediaTek Helio P23 MT6763T |
| Processor clock | 1500 MHz | 2000 MHz |
| GPU | ARM Mali-T720 MP2 @600 MHz | ARM Mali-G71 MP2 @770 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | DualSIM(microSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | microSIM, microSD | nanoSIM, microSD |
| Announced | 4Q 2016 | 4Q 2018 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 800 | FDD LTE: 2600, 2100, 1800, 900, 800 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | Sony IMX135 | Samsung S5K3P9 |
| Photo matrix | 13 Mpx | 16 Mpx |
| Resolution | 4128x3096 px | 4640x3488 px |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video formats | MPEG4, H.263, H.264 | MPEG4, H.263, H.264 |
| Additional | AF | f/2.0 |
| Second camera | | |
| Photo matrix | 0.3 Mpx | 2 Mpx |
| Resolution | 640x480 px |  |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video formats | MPEG4, H.263, H.264 | MPEG4, H.263, H.264 |
| Additional | - | FF |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | | Samsung S5K4H7 |
| Photo matrix | 5 Mpx | 8 Mpx |
| Resolution | 2592x1944 px | 3264x2448 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | MPEG4, H.263, H.264 | MPEG4, H.263, H.264 |
| Additional | - | 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 | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.0 | v4.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz | 2,4 GHz |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | XT9 | XT9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, WAV, eAAC+ | AAC, AAC+, AMR, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| 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 | | |