Oppo A31 vs Oppo A78
Comparing 2 products
| General Overview | ||
| Device Type | Bar | Bar |
| Model | CPH2015 | CPH2483, CPH2495 |
| Announced | 2020, February | 2023, January |
| Released | 2020, February | 2023, January |
| Status | Available | Available |
| Design | ||
| Type | Bar | Bar |
| Dimensions | 163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in) | 163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in) |
| Weight | 180 g (6.35 oz) | 188 g (6.63 oz) |
| Protection | Glass front, plastic back, plastic frame | IP54 |
| Colors | Fantasy White, Mystery Black | Glowing Black, Glowing Purple |
| Network | ||
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | Yes |
| 3G Network | HSDPA 850 / 900 / 2100 | Yes |
| 4G Network | LTE (unspecified) | Yes |
| SIM | Nano SIM | Nano SIM |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | Yes, Dual SIM (Nano-SIM, dual stand-by) |
| 5G Network | - | Yes |
| Display | ||
| Display Type | IPS LCD | IPS LCD |
| Size | 6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio) | 6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels | 720 x 1612 pixels |
| Display Colors | 16M colors | 16M colors or less |
| Pixel Density | 270 ppi density | 269 ppi density |
| Touch Screen | Capacitive Touchscreen | Yes |
| Features | 480 nits typ. brightness | 90Hz, 480 nits (typ), 600 nits (HBM) |
| Display Protection | - | Panda glass |
| Media | ||
| FM Radio | Yes | No |
| Earphone Jack | Yes | Yes |
| Camera | ||
| Camera Set | Triple Cameras | Dual Cameras |
| Main Camera | 12 MP, f/1.8, (wide), PDAF | 50 MP, f/1.8, 27mm (wide), PDAF |
| 2nd Camera | 2 MP, f/2.4, 27mm (macro), 1/5.0", 1.75µm | 2 MP, f/2.4, (depth) |
| 3rd Camera | 2 MP, f/2.4, (depth) | - |
| Camera Video | 1080p@30fps | 1080p@30fps |
| Features | HDR, panorama | HDR, panorama |
| Flash | LED flash, | LED flash |
| Selfie Set | Single Camera | Single Camera |
| Selfie Camera | 8 MP, f/2.0 | 8 MP, f/2.0, 27mm (wide) |
| Selfie Video | 1080p@30fps | 1080p@30fps |
| Features | HDR | - |
| Software | ||
| OS | Android 9.0 (Pie) | Android 12 |
| User Interface | ColorOS 6.1 | ColorOS 13 |
| Hardware | ||
| Chipset | Mediatek MT6765V/CB Helio P35 (12nm) | Mediatek MT6833 Dimensity 700 (7 nm) |
| CPU | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| GPU | PowerVR GE8320 | Mali-G57 MC2 |
| RAM | 4 GB | 8 GB |
| Internal Storage | 128 GB (eMMC 5.1) | 128 GB |
| Card Slot | Yes, microSD, up to 256 GB | Yes microSD |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Connectivity | ||
| Bluetooth | 5.0, A2DP, LE | 5.3, A2DP, LE, aptX |
| Wi-fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Wi-fi Hotspot | Yes | Yes |
| USB | microUSB 2.0, USB On-The-Go | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS, BDS | Yes, with A-GPS, GALILEO, GLONASS, BDS, QZSS |
| NFC | No | Yes |
| Data | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | HSPA, LTE-A, 5G |
| Battery | ||
| Battery Type | Li-Poly (Lithium Polymer) | Li-Poly (Lithium Polymer) |
| Capacity | 4230 mAh battery | 5000 mAh, Battery |
| Placement | Non-removable | Non-removable |
| Fast Charging | - | Yes, 33W, PD, 52% in 30 min, 100% in 67 min (advertised) |
