Haier M300 vs Oppo K7x
| Type | Slide | Touch |
| Dimensions | 103.00 x 43.00 x 19.00 mm | 162.20 x 75.10 x 9.10 mm |
| Weight | 85.00 g | 194.00 g |
| Display size | 1.90" | 6.50" |
| Display | Color / TFT 256k colors 176 x 220 px (1.90") 148 ppi | Color / LTPS TFT 16M colors 90 Hz 1080 x 2400 px (6.50") 405 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 150 min. (2.5 h) |  |
| Stand-by (max.) | 2G: 110 h. (4.6 days) | |
| Playback time (max.) | nd | Audio: 34 h (1.4 days) Video: 16 h (0.7 days) |
| Standard battery | Li-Ion 600 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
|
| Quick battery charging | | VOOC 4.0 |
| Wireless battery charging | | |
| Phonebook memory | 250 places | |
| Internal memory | | 128 GB |
| RAM memory | | 6 GB |
| Memory cards |  microSD | |
| Operating system | - | Android 10 |
| Interface | - | ColorOS 7.2.1 |
| Processor | - | MediaTek Dimensity 720 MT6853 |
| Processor clock | - | 2000 MHz |
| GPU | - | ARM Mali-G57 MC3 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | | 4Q 2020 |
| Other names | - | PERM00 |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 850 900 1700 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850 TDD LTE: 22600, 2500, 2300, 2100, 1900 |
| Standard 5G | | FDD 5G: 2100 TDD 5G: 3700, 3500, 2500 |
| CDMA | | 850 CDMA2000 1xEV-DO |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | | Standard |
| Photo matrix | 1.3 Mpx | 48 Mpx |
| Resolution | 1280x1024 px | |
| Optical zoom | | |
| Digital zoom | 4x | |
| Number of lenses | | 5 |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | | 3840x2160 px |
| Video formats | | H.264, H.265, MPEG4 - 30 fps |
| Additional | - | AF, EIS, f/1.7 |
| Second camera | | |
| Camera type | nd | Wide-angle |
| Photo matrix | nd | 8 Mpx |
| Optical zoom | nd | |
| Number of lenses | nd | 5 |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.2 |
| Third camera | | |
| Camera type | nd | Macro |
| Photo matrix | nd | 2 Mpx |
| Optical zoom | nd | |
| Number of lenses | nd | 3 |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.4 |
| Fourth camera | | |
| Camera type | nd | Depth of field |
| Photo matrix | nd | 2 Mpx |
| Optical zoom | nd | |
| Number of lenses | nd | 3 |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.4 |
CAMERAS - FRONT
| First camera | | |
| Camera type | nd | Portrait |
| Photo matrix | nd | 16 Mpx |
| Optical zoom | nd | |
| Number of lenses | nd | 5 |
| Field of view | nd | 79 ° |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video resolution | nd | 1920x1080 px |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.0 |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | v2.0 |
| HSCSD | | |
| HSDPA | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | | 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 | | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | 260 places | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC | AAC, AAC+, AMR, MID, WAV, eAAC+ |
| Polyphony | | |
| 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 | | |