Acer Iconia B1-A71 vs Umidigi Bison Pro
| Type | A tablet | Touch |
| Waterproofness & dust-resistance |  | IP68, IP69K |
| Dimensions | 128.50 x 197.40 x 11.30 mm | 164.00 x 79.60 x 12.70 mm |
| Weight | 320.00 g | 265.00 g |
| Display size | 7.00" | 6.30" |
| Display | Color / TFT 16M colors 1024 x 600 px (7.00") 170 ppi | Color / IPS TFT 16M colors 60 Hz 1080 x 2340 px (6.30") 409 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Standard battery | Li-Ion 2710 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
|
| Quick battery charging | |  |
| Wireless battery charging | | |
| Internal memory | 8 GB | 128 GB |
| RAM memory | 512 MB | 4 GB, 8 GB |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | Android 4.1 Jelly Bean | Android 11 |
| Processor | MediaTek MT8317T | MediaTek Helio G80 MT6769T |
| Processor clock | 1200 MHz | 2000 MHz |
| GPU | PowerVR SGX531 @522 MHz | ARM Mali-G52 MC2 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | nanoSIM, microSD |
| Announced | | 3Q 2021 |
| Other names | - | - |
| GSM frequencies | | 850 900 1800 1900 |
| UMTS | | 850 900 1700 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 2000, 1900 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | | Standard |
| Photo matrix | 0.3 Mpx | 48 Mpx |
| Sensor size | | 1/2 |
| Pixel size | | 0,8 µm |
| Resolution | 640x480 px | |
| Optical zoom | | |
| Number of lenses | | 6 |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | nd | 1920x1080 px |
| Video formats | nd | H.263, H.264, MPEG4 |
| Additional | - | AF, f/1.8 |
| Second camera | | |
| Camera type | nd | Wide-angle |
| Photo matrix | nd | 16 Mpx |
| Optical zoom | nd | |
| Field of view | nd | 117 ° |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, MPEG4 |
| Additional | nd | FF |
| Third camera | | |
| Camera type | nd | Macro |
| Photo matrix | nd | 5 Mpx |
| Optical zoom | nd | |
| Focal length | nd | 25 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, MPEG4 |
| Additional | nd | FF |
CAMERAS - FRONT
| First camera | | |
| Camera type | nd | Portrait |
| Photo matrix | nd | 24 Mpx |
| Optical zoom | nd | |
| Number of lenses | nd | 5 |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video resolution | nd | 1920x1080 px |
| Video formats | nd | H.263, H.264, MPEG4 |
| 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 | | 21.10 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | - |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.0 | v5.0 |
| 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 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | | T9 |
| Swype | | |
| e-mail client | | 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, WAV, WMA, eAAC+ | AAC, AAC+, AMR, APE, MID, PCM, WAV, WB, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | 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 | | |