Oppo A57 vs Oppo A3
| Vormgeving | Touchscreen | Touchscreen |
| Afmetingen | 149.10 x 72.90 x 7.65 mm | 156.00 x 75.30 x 7.80 mm |
| Gewicht | 147.00 g | 159.00 g |
| Schermgrootte | 5.20" | 6.20" |
| Scherm | Kleurrijk / IPS TFT 16M kleuren 720 x 1280 px (5.20") 282 ppi | Kleurrijk / IPS TFT 16M kleuren 1080 x 2280 px (6.20") 407 ppi |
| Bescherming scherm |   | |
| Extra scherm | | |
| Secundaire bescherming scherm | | |
| Max. gesprekstijd | 2G: 1420 min. (23.7 h) |  |
| Max. standbytijd | 3G: 230 uur (9.6 dagen) | |
| Standaard batterij | Li-Ion 2900 mAhBuy powerbank | Li-Ion 3400 mAhBuy powerbank |
| Snel opladen van de batterij | | |
| Draadloos opladen van de batterij | | |
| Intern geheugen | 32 GB | 64 GB, 128 GB |
| RAM-geheugen | 3 GB | 4 GB, 6 GB |
| Geheugen kaarten |  microSD, microSDHC, microSDXC tot 128 GBBuy memory card | microSD, microSDHC, microSDXC tot 256 GBBuy memory card |
| Besturingssysteem | Android 6.0 Marshmallow | Android 8.1 Oreo |
| Interface | ColorOS 3.0 | ColorOS 5.0 |
| Processor | Qualcomm Snapdragon 435 8940 | MediaTek Helio P60 MT6771 |
| CPU-klok | 1400 MHz | 2000 MHz |
| GPU | Adreno 505 | ARM Mali-G72 MP3 @800 MHz |
| Touchscreen | | |
| Dual SIM | | |
| SIM-kaarten standaard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| Dual SIM-modus | dual standby | dual standby |
| Hybride Dual SIM | | |
| Introductiedatum | IV. kwartaal 2016 | II. kwartaal 2018 |
| Andere namen van deze telefoon | - | PADT00 |
| GSM standaard | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS standaard (3G) | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE-standaard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1800, 1700, 900, 850 TDD LTE: 2600, 2500, 2300, 1900 |
| CDMA standaard | | 850 CDMA2000 1xEV-DO |
| TD-SCDMA-standaard | 1900 2000 | 1900 2000 |
| UMA standaard | | |
CAMERA'S - TERUG
| Eerste camera | | |
| Matrix | 13 Mpx | 16 Mpx |
| Schermresolutie | 4160x3120 px | 4608x3456 px |
| Optische zoom | | |
| Flitser | LED | |
| Dual-color LED-flitser | | |
| Videoresolutie | 1280x720 px | 1920x1080 px |
| Videoformaten | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Extra | AF, f/2.2 | AF, f/1.8 |
CAMERA'S - VOORKANT
| Eerste camera | | |
| Matrix | 16 Mpx | 8 Mpx |
| Schermresolutie | 4608x3456 px | 3264x2448 px |
| Optische zoom | | |
| Flitser | | |
| Dual-color LED-flitser | | |
| Videoresolutie | 1920x1080 px | |
| Videoformaten | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Extra | FF, f/2.0 | FF, f/2.2 |
SENSORS
| Accelerometer | | |
| Nabijheid | | |
| Licht sensor | | |
| Magnetometer | | |
| Gyroscoop | | |
| Barometer | | |
| Altimeter | | |
| Gravity sensor | | |
| Hall-effect sensor | | |
| Iris scanner | | |
| Vingerafdrukscanner | | |
| Thermometer | | |
| Hygrometer | | |
Gegevens transmissie
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | 42.00 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | - | - |
| LTE UP | 51.00 Mbit/s | - |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.1 | v4.2 |
| Perfil A2DP | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n/ac |
| WiFi frequenties | 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 | | |
COMMUNICATIE EN BERICHTEN
| Call waiting | | |
| Video conferentie verbinding | | |
| Redirect | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Predictive text | T9 | T9 |
| Swype | | |
| E-mailclient | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| QWERTY toetsenbord | | |
| RSS reader | | |
Multimedia
| Radio | | |
| MP3 bediening | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Geluidsformaten | AAC, AAC+, AMR, APE, FLAC, OGG, WAV, WMA | AAC, AAC+, AMR, APE, FLAC, OGG, WAV, WMA, eAAC+ |
| Ringtone polyfoon | | |
| Video beltonen | | |
| Beltoon componist | | |
| Spelletjes | | |
| Java | ART | ART |
| Videoverbinding | | |
| DVB-H televisie | | |
| TV aansluiting | | |
PIM EN EXTRA FUNCTIES
| Klok | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Valuta Converter | | |
| Organizer | | |
| Agenda | | |
| Vliegtuigstand | | |
| SyncML | | |
| Data en fax | | |
| Schermbeveiliging | | |
| Thema's | | |
| Verwisselbare cover | | |
| Voice picking | | |
| Speaker | | |
| Memorecorder | | |
| Trilalarm | | |