Both Oppo F31 5G (8GB RAM + 256GB) and Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) comes with same RAM. In terms of display resolution, Oppo F31 5G (8GB RAM + 256GB) has better resolution of 2412 x 1080 than Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) which has resolution of 1080 x 2392. Oppo F31 5G (8GB RAM + 256GB) has more internal memory than Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB)
| Name | Oppo F31 5G (8GB RAM + 256GB) | Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.57 in | 6.77 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7000 mAh | 5800 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 36999 | Rs. 26590 |
The launch Date of the first phone is September 15, 2025. The cost of Oppo F31 5G (8GB RAM + 256GB) is Rs. 36999. The launch Date of the second phone is April 02, 2026. The cost of Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) is Rs. 26590.
Oppo F31 5G (8GB RAM + 256GB) has screen size of 6.57 inches which falls short to Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB)'s 6.77 inch screen. Both the phones have AMOLED Screen Type. 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 (8GB RAM + 256GB) has 20:9 aspect ratio where as Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) has 20.5:9 aspect ratio.
Both mobiles come with 8 GB RAM Oppo F31 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) (128 GB).
Oppo F31 5G (8GB RAM + 256GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB)'s 50 MP + 2 MP Dual Rear Camera. Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) 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 (8GB RAM + 256GB)'s 16 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Oppo F31 5G (8GB RAM + 256GB) | Xiaomi Redmi Note 15 SE 5G (8GB RAM + 128GB) |
| General | ||
| Country of Origin | India | India |
| Model | CPH2781 | MZB0NT3IN, Note 15 SE 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 4 years | |
| Security Updates | 6 years | |
| Release Date | September 15, 2025 | April 02, 2026 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | REDMI Note 15 SE 5G / Adapter / USB Type-C Cable / SIM Eject Tool / Protective Case / Quick Start Guide / Warranty Card |
| Design | ||
| Dimensions | 75.42 x 164 x 7.82 mm | |
| Weight | 182 g | |
| Colors | Crimson Reserve, Frosted White, Carbon Black | |
| 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, 2392 x 1080 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, 16000-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 |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 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 | Wi-Fi Protocol: 802.11a/b/g/n/ac Supports 2.4GHz Wi-Fi | 5GHz Wi-Fi Supports Wi-Fi Direct |
| Bluetooth | Yes, v5.4, Support SBC, AAC, aptX, aptX HD, LDAC, LHDC | Yes, v5.1, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB Tethering, 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 | |
| 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 | AI Erase, AI Bokeh, AI Sky, AI Bokeh, Gemini. Circle to Search |
| Water Resistance | Yes | |
| IP Rating | IP69+IP68+IP66 | IP65 + IP66 |
| Dust Resistant | Yes | Yes |
| Extra Features | 4300 mm² VC cooling system | IP65/IP66 Water & Dust Resistant, TÜV Rheinland Low Blue Light Certification (Hardware Solution), TÜV Rheinland Circadian Friendly Certification, TÜV Rheinland Flicker Free Certification |
| 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 | 50 MP ƒ/1.8 (Wide Angle) 1/2.88", 1.22μm 4in1 Super Pixel5P lens, f/1.8 2 MP (Depth Sensor) |
| Camera Sensor | Light Fusion 400 | |
| Auto Focus | Yes | Yes |
| Features | HDR, Potriat, Ultra HD, Timer, Watermark, Night Mode, Time Lapse | |
| Video Recording | 1080p @ 30 fps FHD, 720p | 4K @ 30 fps UHD, 1080p @ 30 fps FHD, 720p @ 30 fps HD |
| 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 1/4" Sensor Size, 4P lens Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
| Front Camera Features | Photo, Video, Pro, Pano, Portrait, Night, Timelapse, Retouch, Sticker, Screen Flash | HDR, panorama |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | ColorOS 15 | Xiaomi HyperOS 2 |
| Chipset | Mediatek Dimensity 6300 | Snapdragon 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 GPU |
| 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 | Dolby Atmos | Hi-Res | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5800 mAh |
| Fast Charging | Yes, 80W SUPERVOOC Charging | Yes, 45W Turbo Charging |
| Reverse Charging | Yes | Yes, 18W |