Oppo A78 vs Oppo A31 2020 (6GB RAM + 128GB)
Here you can compare Oppo A78 and Oppo A31 2020 (6GB RAM + 128GB). Comparing Oppo A78 vs Oppo A31 2020 (6GB RAM + 128GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Oppo A78 stands against Oppo A31 2020 (6GB RAM + 128GB) and which one should you buy The current lowest price found for Oppo A78 is ₹21,300 and for Oppo A31 2020 (6GB RAM + 128GB) is ₹11,990. The details of both of these products were last updated on Jun 20, 2026.
| Specification | Oppo A78 | Oppo A31 2020 (6GB RAM + 128GB) |
|---|---|---|
| CPU | 2.2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| OS | Android v12 | Android v9.0 (Pie) |
| RAM | 8 GB | 6 GB |
| Display | 6.56 inches, 720 x 1612 pixels, 90 Hz | 6.5 inches, 720 x 1600 pixels |
| Internal Memory | 128 GB | 128 GB |
| Price | ₹21,300 | ₹11,990 |
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Overview
| Specs Score | 54 / 100 Better Specs | 41 / 100 |
| Display Resolution | 720 x 1612 pixels Better Resolution | 720 x 1600 pixels |
| Screen To Body Ratio | ~ 84% | ~ 89% Less Bezels |
| RAM | 8 GB More RAM | 6 GB |
| Rear Camera | 50 MP + 2 MP Dual Better Camera Resolution | 12 MP + 2 MP + 2 MP Triple |
| Battery | 5000 mAh Bigger Battery | 4230 mAh |
| Unique Features | 5G Fast Charging No | No No FM Radio |
General
| Model | A78 | A31 2020 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 16, 2023 | March 6, 2020 |
Design
| Dimensions | 75.1 x 163.8 x 8 mm | 75.5 x 163.9 x 8.3 mm |
| Weight | 188 g | 180 g |
| Colors | Glowing Black, Glowing Purple |
Display
| Type | Color IPS Screen (16.7 M) | Color IPS LCD Screen |
| Touch | Yes | Yes |
| Size | 6.56 inches, 720 x 1612 pixels, 90 Hz | 6.5 inches, 720 x 1600 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 269 PPI | ~ 270 PPI |
| Screen to Body Ratio | ~ 84% | ~ 89% |
| Glass Type | Panda glass | |
| Features | 100% DCI-P3, 600nits (Typical), 480nits (Typical) | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
Memory
| RAM | 8 GB | 6 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes | Yes, upto 256 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | NR: n1/n5/n8/n28A/n41/n78 | |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (802.11ac) | |
| Bluetooth | Yes, v5.3, A2DP, LE, aptX HD | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, microUSB v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Charging |
Performance
| Camera Score | 69 (DxOMark) |
Extra
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | yes with A-GPS |
| Fingerprint Sensor | Yes, Side | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Light sensor, Proximity sensor, Accelerometer |
| 3.5mm Headphone Jack | Yes | Yes |
| IP Rating | IP54 |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 12 MP ƒ/1.8 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Night, Videos, Photos, Portrait, Expert, Extra HD, Panoramic, Time-lapse, Slow-motion, Sticker, Text scanner, and Google Lens | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) Screen Flash | 8 MP ƒ/2 (Main) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v12 | Android v9.0 (Pie) |
| Chipset | Mediatek Dimensity 700 5G | MediaTek Helio P35 |
| CPU | 2.2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 |
| GPU | Mali-G57 MC2 | PowerVR GE8320 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 4230 mAh, Li-ion Battery |
| Fast Charging | Yes, 33W Fast Charging |
Discuss
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