OPPO F31 5G vs Redmi Note 15 5G
The short answer
- OPPO F31 5G has the bigger battery: 7,000 mAh against 5,520.
- OPPO F31 5G charges faster, at 80 W against 45.
Compared only on figures both makers publish. Everything else is in the table below.
2 phones side by side.
| Specification |
 OPPO F31 5G
₹22,999launch price · Sep 2025
|
 Redmi Note 15 5G
₹22,999launch price · Jan 2026
|
|---|---|---|
| Placement | ||
| At its price | Lower half ₹20–25k | Bottom quarter ₹20–25k |
| Spec index | 7.8 / 10 | 7.7 / 10 |
| Key Specs | ||
| RAM | 8 GB | 8 GB |
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 6 Gen 3 |
| Rear Camera | 50 MP + 2 MP | 108 MP + 8 MP |
| Front Camera | 16 MP | 20 MP |
| Battery | 7000 mAh | 5520 mAh |
| Display | 6.57 inches (16.69 cm) | 6.77 inches (17.20 cm) |
| General | ||
| Launch Date | September 27, 2025 (Official) | January 6, 2026 (Official) |
| Operating System | Android v15 | Android v15 |
| Custom UI | ColorOS 15 | Xiaomi HyperOS 2 |
| Performance | ||
| Chipset | MediaTek Dimensity 6300 | Qualcomm Snapdragon 6 Gen 3 |
| CPU | Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55) | Octa core (2.4 GHz, Quad core, Cortex A78 + 1.8 GHz, Quad core, Cortex A55) |
| Architecture | 64 bit | 64 bit |
| Fabrication | 6 nm | 4 nm |
| Graphics | Mali-G57 MC2 | Adreno 710 |
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Display | ||
| Display Type | AMOLED | AMOLED (curved) |
| Screen Size | 6.57 inches (16.69 cm) | 6.77 inches (17.20 cm) |
| Resolution | 1080x2372 px (FHD+) | 1080x2392 px (FHD+) |
| Aspect Ratio | 19.8:9 | 20:9 |
| Pixel Density | 397 ppi | 388 ppi |
| Screen to Body Ratio (calculated) | 93 % | 89.66 % |
| Screen Protection | AGC DT-Star D+ | — |
| Bezel-less display | Yes with punch-hole display | Yes with punch-hole display |
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch | Yes, Capacitive Touchscreen, Multi-touch (240 Hz touch sampling) |
| Brightness | 1400 nits (HBM) | 3200 nits (peak), 800 nits (typical) |
| Refresh Rate | 120 Hz | 120 Hz |
| HDR 10 / HDR+ support | — | Yes, HDR10+ |
| Design | ||
| Height | 158.2 mm | 164 mm |
| Width | 75 mm | 75.42 mm |
| Thickness | 8 mm | 7.35 mm |
| Weight | 185 grams | 178 grams |
| Colours | Midnight Blue, Cloud Green, Bloom Red | Black, Glacier Blue, Mist Purple |
| Waterproof | Yes, IP66 / IP68 / IP69 | Yes, IP65 + IP66 |
| Ruggedness | Drop and impact tested to MIL-STD 810H methodologies, SGS certified | MIL-STD-810H tested, drop tested to 1.7 m |
| Build Material | — | Frame: Plastic Back: Plastic |
| Main Camera | ||
| Camera Setup | Dual | Dual |
| Resolution | 50 MP f/1.8, Wide Angle, Primary Camera (76 degree field of view, 5P lens, autofocus) 2 MP f/2.4, Monochrome Camera (89 degree field of view, 3P lens) | 108 MP f/1.7, Wide Angle, Primary Camera (1/1.67" sensor size, 0.64µm pixel size, 9-in-1 to 1.92µm) 8 MP f/2.2, Ultra-Wide Angle Camera (1/4" sensor size, 1.12µm pixel size) |
| Autofocus | Yes | Yes |
| Flash | Yes, LED Flash | Yes, LED Flash |
| Shooting Modes | Photo Video Portrait Night Panorama Slo-mo Dual-view video Time-lapse Hi-Res Underwater Pro Doc Scanner | Continuous Shooting High Dynamic Range mode (HDR) Portrait mode Pro Mode Panorama Slow Motion Time-lapse Dynamic Shots |
| Camera Features | 10 x Digital Zoom Auto Flash Face detection Touch to focus Underwater photography Motion Photo AI Perfect Shot AI Eraser 2.0 AI Unblur AI Reflection Remover AI Recompose AI Night Mode | 3 x In-sensor Zoom Auto Flash Face detection Touch to focus AI Erase AI Sky AI Reflection Removal AI Beautify AI Bokeh |
| Video Recording | 1920x1080 @ 60 fps 1920x1080 @ 30 fps 1280x720 @ 60 fps 1280x720 @ 30 fps | 3840x2160 @ 30 fps 1920x1080 @ 30 fps 1280x720 @ 30 fps |
| Video Recording Features | Slo-motion (1280x720 @ 120 fps) Time-lapse (1920x1080 @ 30 fps) Dual-view video Underwater video Up to 10 x digital zoom while recording | Slo-motion Time-lapse Electronic Image Stabilisation (gyro-EIS) |
| Sensor | — | Samsung ISOCELL HM9 (primary) |
| OIS | — | Yes |
| Settings | — | Exposure compensation, ISO control |
| Front Camera | ||
| Camera Setup | Single | Single |
| Resolution | 16 MP f/2.4, Wide Angle, Primary Camera (85 degree field of view, 4P lens) | 20 MP f/2.2, Wide Angle, Primary Camera (1/4" sensor size, 0.702µm pixel size, 4P lens) |
| Autofocus | No | No |
| Flash | No | No |
| Camera Features | Screen Fill Light Portrait mode Night mode Panorama Hi-Res Dual-view video | High Dynamic Range mode (HDR) AI Group Selfie |
| Video Recording | 1920x1080 @ 30 fps 1280x720 @ 30 fps | 1920x1080 @ 30 fps 1280x720 @ 30 fps |
| Battery | ||
| Capacity | 7000 mAh | 5520 mAh |
| Type | Li-ion | Li-ion (Silicon-Carbon) |
| Removable | No | No |
| Wireless Charging | No | No |
| Quick Charging | Yes, Fast, 80W | Yes, Fast, 45W (45W adapter in box, 18W reverse wired charging) |
| USB Type-C | Yes | Yes |
| Storage | ||
| Internal Memory | 128 GB / 256 GB | 128 GB / 256 GB |
| Expandable Memory | Yes, microSD | Yes, Up to 1 TB (hybrid SIM slot) |
| USB OTG | Yes | Yes |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Network & Connectivity | ||
| SIM Slot(s) | Dual SIM, GSM+GSM (Nano SIM + Nano SIM) | Dual SIM, GSM+GSM (Nano SIM + Nano SIM / microSD hybrid) |
| SIM Size | SIM1: Nano, SIM2: Nano | SIM1: Nano, SIM2: Nano (Hybrid) |
| Network Support | 5G Supported in India, 4G Supported in India, 3G, 2G | 5G Supported in India, 4G Supported in India, 3G, 2G |
| VoLTE | Yes | Yes |
| SIM 1 | - | - |
| 5G Bands | N1 / N3 / N5 / N8 / N28B / N38 / N40 / N41 / N77 / N78 | SA N1 / N3 / N5 / N8 / N28 / N40 / N78 NSA N1 / N3 / N40 / N78 |
| 4G Bands | FD-LTE Band 1 / 3 / 5 / 8 / 19 / 28B TD-LTE Band 38 / 40 / 41 / 42 / 48 | FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) / 900(band 8) / 700(band 28) TD-LTE 2300(band 40) / 2500(band 41) |
| 3G Bands | WCDMA Band 1 / 8 | UMTS 2100 / 850 / 900 MHz |
| SIM 2 | - | - |
| SAR Value | Head SAR: 1.179 W/kg, Body SAR: 0.806 W/kg | — |
| Wi-Fi | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac), 2.4 GHz + 5 GHz |
| Wi-Fi Features | Wi-Fi Display, Mobile Hotspot | Wi-Fi Direct, Mobile Hotspot |
| Bluetooth | Yes, v5.4 | Yes, v5.1 |
| GPS | Yes with Beidou, Glonass, Galileo, QZSS | Yes with Glonass, Beidou, Galileo |
| NFC | No | — |
| USB Connectivity | USB Type-C, Mass storage device, USB charging, USB OTG, Reverse wired charging | USB 2.0, Type-C, Mass storage device, USB charging, USB OTG |
| 2G Bands | — | GSM 1800 / 850 / 900 MHz |
| EDGE | — | Available |
| GPRS | — | Available |
| Infrared Sensor | — | Yes |
| Multimedia | ||
| Stereo Speaker | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Audio Jack | USB Type-C | USB Type-C |
| Audio Features | Dual stereo speakers, Ultra Volume Mode (up to 300 % extra volume) | Dolby Atmos, Hi-Res Audio (24-bit/192 kHz), 300% volume boost |
| FM Radio | — | No |
| Sensors | ||
| Fingerprint Sensor | Yes | Yes |
| Fingerprint Sensor Position | In Display | In Display |
| Fingerprint Sensor Type | Optical | Optical |
| Heart Rate Monitor | No | No |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass | Ambient light sensor, Virtual proximity sensor, Accelerometer, Electronic compass, Gyroscope, Infrared blaster |