AT Mobile Viper vs Samsung Galaxy A71
| Type | Slide | Touch |
| Dimensions | 98.00 x 48.00 x 17.00 mm | 163.60 x 76.00 x 7.70 mm |
| Weight | 104.00 g | 179.00 g |
| Display size | 2.20" | 6.70" |
| Display | Color / TFT 256k colors 240 x 320 px (2.20") | Color / Super AMOLED Plus 16M colors 1080 x 2400 px (6.70") 393 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 210 min. (3.5 h) | 4G: 2560 min. (42.7 h) |
| Stand-by (max.) | 2G: 120 h. (5.0 days) |  |
| Playback time (max.) | nd | Audio: 107 h (4.5 days) Video: 24 h (1.0 days) |
| Internet browsing time (max.) | nd | WiFi: 16 h (0.7 days) 4G: 16 h (0.7 days) |
| Standard battery | Li-Ion 750 mAhBuy powerbank
| Li-Ion 4500 mAhBuy powerbank
|
| Quick battery charging | |  |
| Wireless battery charging | | |
| Phonebook memory | 300 places | |
| Internal memory | 64 MB | 128 GB |
| End-user memory | | 101.6 GB |
| RAM memory | | 6 GB, 8 GB |
| Memory cards | microSD | microSD, microSDHC, microSDXC up to 512 GBBuy memory card |
| Operating system | - | Android 10 |
| Interface | - | One UI 2.0 |
| Processor | - | Qualcomm Snapdragon 730 |
| Processor clock | - | 2200 MHz |
| GPU | - | Adreno 618 |
| Touchscreen | | |
| SAR (10g) | | 1,562 W/kg |
| DualSIM | | |
| SIM cards standard | | SingleSIM(nanoSIM) |
| Announced | | 4Q 2019 |
| Other names | - | SM-A715F |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 850 900 1900 2100 |
| LTE standard | | FDD LTE: 2100, 1900, 1700, 850, 800, 700 TDD LTE: 2500 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | | Samsung S5KGW1 |
| Photo matrix | 2 Mpx | 64 Mpx |
| Resolution | | 9280x6944 px |
| Optical zoom | | |
| Digital zoom | 6x | 8x |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | 176x144 px | 3840x2160 px |
| Video formats | | H.263, H.264, H.265, MPEG4 |
| Additional | - | AF, f/1.8 |
| Second camera | | |
| Photo matrix | nd | 12 Mpx |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 |
| Additional | nd | FF, f/2.2 |
| Third camera | | |
| Photo matrix | nd | 5 Mpx |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 |
| Additional | nd | FF, f/2.2 |
| Fourth camera | | |
| Photo matrix | nd | 5 Mpx |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 |
| Additional | nd | FF, f/2.4 |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | nd | Sony IMX616 |
| Photo matrix | nd | 32 Mpx |
| Resolution | nd | 6528x4896 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 |
| Additional | nd | FF, f/2.2 |
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 | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 10 | |
| 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 | v1.1 | 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 | 200 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 | | 3GA, AAC, AMR, AWB, FLAC, IMY, M4A, MID, MIDI, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF |
| Polyphony | 40 voices | |
| 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 | | |