Both Oppo F31 5G and Vivo Y400 Pro 5G (8GB RAM + 256GB) comes with same RAM. In terms of display resolution, Oppo F31 5G has better resolution of 2412 x 1080 than Vivo Y400 Pro 5G (8GB RAM + 256GB) which has resolution of 2392 x 1080. Vivo Y400 Pro 5G (8GB RAM + 256GB) has more internal memory than Oppo F31 5G
| Name | Oppo F31 5G | Vivo Y400 Pro 5G (8GB RAM + 256GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.57 in | 6.77 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 7000 mAh | 5500 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 26999 | Rs. 24550 |
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 June 20, 2025. The cost of Vivo Y400 Pro 5G (8GB RAM + 256GB) is Rs. 24550.
Oppo F31 5G has screen size of 6.57 inches which falls short to Vivo Y400 Pro 5G (8GB RAM + 256GB)'s 6.77 inch screen. There is AMOLED Screen Type in both the phones. OPPO's phone has display density of 402 PPI & Vivo'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 Vivo's phone ~ 88.8%. Both mobiles have same aspect ratio of 20:9.
Both phones come with 8 GB RAM Vivo Y400 Pro 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Oppo F31 5G (128 GB).
Oppo F31 5G has 50 MP + 2 MP Dual Rear Camera in comparison to Vivo Y400 Pro 5G (8GB RAM + 256GB)'s 50 MP + 2 MP Dual Rear Camera. Vivo Y400 Pro 5G (8GB RAM + 256GB) will be better choice if you're looking to click lot of selfies as it has better 32 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 | Vivo Y400 Pro 5G (8GB RAM + 256GB) |
| General | ||
| Country of Origin | India | India |
| Model | CPH2781 | Y400 Pro 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 0.9 W/kg (Head) 0.9 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | September 15, 2025 | June 20, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | |
| Design | ||
| Dimensions | 75 x 163.72 x 7.49 mm | |
| Weight | 182 g | |
| Colors | Black, Ocean Blue, Titanium, White | |
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes, 360 Hz Touch Sampling Rate | Yes |
| Size | 6.57 inches, 1080 x 2412 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 402 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 92.2% | ~ 88.8% |
| Glass Type | AGC DT-Star D+ | |
| Brightness | 4500nits | |
| Features | Always-on display | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot) | |
| 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 | n1/n3/n5/n8/n28B/n38/n40/n41 (2535–2655 MHz)/n77/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 | 2.4 GHz, 5 GHz |
| Bluetooth | Yes, v5.4, Support SBC, AAC, aptX, aptX HD, LDAC, LHDC | Yes, v5.4 |
| 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 |
| Performance | ||
| AnTuTu Score | 720,000 (Total) (v10) | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS | GPS, BeiDou, GLONASS, Galileo, QZSS |
| 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 | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | 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 Super Link, AI Transcript Assist, AI Note Assist |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP69+IP68+IP66 | IP65 |
| 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 | 50 MP (Wide Angle) 2 MP (Depth Sensor) |
| Camera Sensor | Sony IMX882 | |
| Auto Focus | Yes | Yes |
| Features | Photo, Portrait, Night, Video, 50 MP, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Pro, Food, Dual View, Film Camera | |
| Video Recording | 1080p @ 30 fps FHD, 720p | 4K, 1080p |
| 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 | 32 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p, 4K |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | ColorOS 15 | Funtouch OS 15 |
| Chipset | Mediatek Dimensity 6300 | Mediatek Dimensity 7300 |
| CPU | 2.4 GHz, Octa Core Processor | 2.5 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 |
| Fabrication Node | 4nm | |
| GPU | Arm Mali-G57 MC2 | Mali-G615 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | AAC, WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, OPUS |
| Video | Yes | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5500 mAh, Li-ion Battery |
| Fast Charging | Yes, 80W SUPERVOOC Charging | Yes, 90W Fast Charging |
| Reverse Charging | Yes | |
| Video Playback Time | 21 hours | |