Oppo F31 5G vs Oppo A31 2020 (6GB RAM + 128GB)
Quick Comparison
Oppo F31 5G has better RAM than Oppo A31 2020 (6GB RAM + 128GB). In terms of display resolution, Oppo F31 5G has better resolution of 2412 x 1080 than Oppo A31 2020 (6GB RAM + 128GB) which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Oppo F31 5G | Oppo A31 2020 (6GB RAM + 128GB) |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.57 in | 6.5 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 4230 mAh |
| Camera | 50 MP + 2 MP Dual | 12 MP + 2 MP + 2 MP Triple |
| Price | Rs. 26999 | Rs. 15990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 15, 2025. The cost of Oppo F31 5G is Rs. 26999. The launch Date of the second phone is March 6, 2020. The cost of Oppo A31 2020 (6GB RAM + 128GB) is Rs. 15990.
Display comparison
Oppo A31 2020 (6GB RAM + 128GB) has screen size of 6.5 inches which falls short to Oppo F31 5G's 6.57 inch screen. Oppo F31 5G has AMOLED Screen type where as Oppo A31 2020 (6GB RAM + 128GB) has IPS LCD Screen type. Oppo F31 5G has display density of 402 PPI & Oppo A31 2020 (6GB RAM + 128GB) has only 270 PPI display density. In terms of screen to body ratio, Oppo F31 5G has better screen to body ratio of ~ 92.2% than Oppo A31 2020 (6GB RAM + 128GB)'s ~ 89%. Both phones have same aspect ratio of 20:9.
Memory comparison
Oppo F31 5G's larger 8 GB RAM is better for playing games and all with respect to Oppo A31 2020 (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Oppo F31 5G's 50 MP + 2 MP Dual Rear Camera outclasses Oppo A31 2020 (6GB RAM + 128GB)'s 12 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Oppo F31 5G will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to Oppo A31 2020 (6GB RAM + 128GB)'s 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on v9.0 (Pie) version.
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Full Comparison
| Name | Oppo F31 5G | Oppo A31 2020 (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | CPH2781 | A31 2020 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 15, 2025 | March 6, 2020 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | |
| Design | ||
| Dimensions | 75.5 x 163.9 x 8.3 mm | |
| Weight | 180 g | |
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color IPS LCD Screen |
| Touch | Yes, 360 Hz Touch Sampling Rate | Yes |
| Size | 6.57 inches, 1080 x 2412 pixels, 120 Hz | 6.5 inches, 720 x 1600 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 402 PPI | ~ 270 PPI |
| Screen to Body Ratio | ~ 92.2% | ~ 89% |
| Glass Type | AGC DT-Star D+ | |
| Notch | Yes, Punch Hole | 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, (Hybrid Slot) | Yes, upto 256 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n7/n8/n20/n28A/n28B/n66/n38/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 802.11 a/b/g/n/ac, Wi-Fi 5 (802.11 ac), 802.11 a/b/g/n, WLAN (2.4 GHz | 5 GHz), WLAN Display, WLAN Tethering, 1 x 1 SOSO | |
| Bluetooth | Yes, v5.4, Support SBC, AAC, aptX, aptX HD, LDAC, LHDC | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, microUSB v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS | yes with A-GPS |
| Fingerprint Sensor | Yes, Side | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Induction, Ambient Light Induction, Proximity Sensor, Acceleration Sensor, Gravity Sensor, Gyroscope, Infrared Sensor, Step Recording Function, Facial Recognition Sensor | Light sensor, Proximity sensor, Accelerometer |
| 3.5mm Headphone Jack | No | Yes |
| AI Features | Smart Document (AI summaries, translations, rewriting), Smart Note (AI-enhanced note-taking), and high-quality scanning. Integrated Google Gemini delivers multimodal AI intelligence | |
| Water Resistance | Yes | |
| IP Rating | IP69+IP68+IP66 | |
| Dust Resistant | Yes | |
| Extra Features | 4300 mm² VC cooling system | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) Sensor: OV50D40, Sensor size: 1/2.88″, Single pixel size: 0.612 um, Aperture size: f/1.8, Focal length: 27 mm, Lens configuration: 5P, Supporting AF 2 MP Sensor: GC02M1-C24YK, Sensor size: 1/5″, Single pixel size: 1.75 um, Aperture size: f/2.4, Focal length: 22 mm, Lens configuration: 3P | 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 | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Video Recording | 1080p @ 30 fps FHD, 720p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP (Wide Angle) Sensor size: 1/3.09″, Single pixel size: 1.0 um, Aperture size: f/2.4, Focal length: 23 mm, Lens configuration: 4P Punch Hole | 8 MP ƒ/2 (Main) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v9.0 (Pie) |
| Custom UI | ColorOS 15 | |
| Chipset | Mediatek Dimensity 6300 | MediaTek Helio P35 |
| CPU | 2.4 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 |
| GPU | Arm 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 | 7000 mAh | 4230 mAh, Li-ion Battery |
| Fast Charging | Yes, 80W SUPERVOOC Charging | |
| Reverse Charging | Yes | |