Black Fox B4 Mini vs LG G4
| Type | Touch | Touch |
| Dimensions | 138.00 x 65.70 x 9.60 mm | 148.90 x 76.10 x 9.80 mm |
| Weight | 175.00 g | 155.00 g |
| Display size | 4.95" | 5.50" |
| Display | Color / IPS TFT 16M colors 480 x 960 px (4.95") 217 ppi | Color / IPS TFT 16M colors 1440 x 2560 px (5.50") 534 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Standard battery | Li-Po 2000 mAhBuy powerbank
| Li-Ion 3000 mAhBuy powerbank
|
| Quick battery charging | | Quick Charge 2.0 |
| Wireless battery charging | | |
| Internal memory | 8 GB | 32 GB |
| RAM memory | 1 GB | 3 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 64 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card |
| Operating system | Android 8.1 Oreo Go | Android 5.1 Lollipop |
| Processor | MediaTek MT6580M | Qualcomm Snapdragon 808 8992 |
| Processor clock | 1300 MHz | 1800 MHz |
| GPU | ARM Mali-400 MP2 400 MHz | Adreno 418 @600 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | DualSIM(microSIM, nanoSIM) | SingleSIM(microSIM) |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | | nd |
| Announced | 1Q 2019 | 2Q 2015 |
| Other names | BMM531B | H815; H818 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 850 900 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1800, 900, 800 |
| Standard 5G | |  |
| CDMA | | CDMA2000 1xEV-DO |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | | Sony IMX234 |
| Photo matrix | 5 Mpx | 16 Mpx |
| Resolution | 2592x1944 px | 5312x2988 px |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1280x720 px | 3840x2160 px |
| Video formats | MPSG4 - 30 fps | H.263, H.264, MPEG4 |
| Additional | AF | AF, Laser AF, OIS, f/1.8 |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | | Toshiba T4KA3 |
| Photo matrix | 2 Mpx | 8 Mpx |
| Resolution | 1600x1200 px | 3264x2448 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | MPSG4 - 30 fps | H.263, H.264, MPEG4 |
| Additional | 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 | v2.0 |
| HSCSD | | |
| HSDPA | 21.10 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | class 12 |
| EDGE | | class 12 |
| Bluetooth | v4.0 | v4.1 LE |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| 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 | | z RDS |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, APE, FLAC, MID, WAV, eAAC+ | |
| Polyphony | | 128 voices |
| 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 | | |