Both Oppo F31 5G and Xiaomi Redmi Note 15 5G comes with same RAM. In terms of display resolution, Oppo F31 5G has better resolution of 2412 x 1080 than Xiaomi Redmi Note 15 5G which has resolution of 2392 x 1080. Both have the same amount of internal memory.
| Name | Oppo F31 5G | Xiaomi Redmi Note 15 5G |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.57 in | 6.77 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 5520 mAh |
| Camera | 50 MP + 2 MP Dual | 108 MP + 8 MP Dual |
| Price | Rs. 24999 | Rs. 22999 |
The launch Date of the first phone is September 15, 2025. The cost of Oppo F31 5G is Rs. 24999. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G is Rs. 22999.
Oppo F31 5G has screen size of 6.57 inches which falls short to Xiaomi Redmi Note 15 5G's 6.77 inch screen. There is AMOLED Screen Type in both the phones. OPPO's phone has display density of 402 PPI & Xiaomi's phone has only 388 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 92.2% than Xiaomi's phone ~ 89.7%. Oppo F31 5G has 20:9 aspect ratio where as Xiaomi Redmi Note 15 5G has 20.5:9 aspect ratio.
Both phones come with 8 GB RAM and both have same Internal Memory of 128 GB.
Xiaomi Redmi Note 15 5G's 108 MP + 8 MP Dual Rear Camera outshines Oppo F31 5G's 50 MP + 2 MP Dual Rear Camera in terms of resolution. Xiaomi Redmi Note 15 5G will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Oppo F31 5G's 16 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Oppo F31 5G | Xiaomi Redmi Note 15 5G |
| General | ||
| Country of Origin | India | India |
| Model | CPH2781 | 25096RA9BG, 25098RA98G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 15, 2025 | December 18, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card |
| Design | ||
| Dimensions | 75.4 x 164 x 7.35 mm | |
| Weight | 178 g | |
| Colors | Black, Glacier Blue, Mist Purple | |
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color AMOLED Screen (68B) |
| Touch | Yes, 360 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.57 inches, 1080 x 2412 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 402 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 92.2% | ~ 89.7% |
| Glass Type | AGC DT-Star D+ | Scratch/drop-resistant glass, Mohs level 5 |
| Brightness | 3200nits peak brightness, 800nits (typ) | |
| Features | Contrast Ratio: 8,000,000:1, DCI- P3 wide Color Gamut, Sunlight Display, Reading Mode, 3840Hz PWM Dimming | 16,000-level Brightness Adjustment, TÜV Rheinland Low Blue Light, (Hardware Solution) Certified, TUV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot) | Yes, (Hybrid Slot), upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n7/n8/n20/n28A/n28B/n66/n38/n40/n41/n77/n78 | 5G NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| 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, v5.3, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| 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 | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | No | No |
| NFC | 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 | Gemini Live, Circle to Search |
| Water Resistance | Yes | Yes, 1.7 m |
| IP Rating | IP69+IP68+IP66 | IP65 + IP66 |
| Dust Resistant | Yes | 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 | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | |
| Video Recording | 1080p @ 30 fps FHD, 720p | 4K @ 30 fps UHD, 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 | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | ColorOS 15 | Xiaomi HyperOS 2 |
| Chipset | Mediatek Dimensity 6300 | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.4 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Arm Mali-G57 MC2 | Adreno 710 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, AMR, FLAC, APE |
| Video | Yes | MP4, M4V, MKV, XVID |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Features | Dual Ultra-Linear Speakers, Misound tuning and Dolby Atmos | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5520 mAh |
| Fast Charging | Yes, 80W SUPERVOOC Charging | Yes, 45W Fast Charging |
| Reverse Charging | Yes | Yes, 18W |