Both Xiaomi Redmi 15C 5G and Vivo Y31 5G comes with same RAM. In terms of display resolution, Vivo Y31 5G has better resolution of 1620 x 720 than Xiaomi Redmi 15C 5G which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Xiaomi Redmi 15C 5G | Vivo Y31 5G |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.9 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 6500 mAh |
| Camera | 50 MP + Auxiliary lens Dual | 50 MP + 0.08 MP Dual |
| Price | Rs. 12499 | Rs. 14999 |
The launch Date of the first phone is December 03, 2025. The cost of Xiaomi Redmi 15C 5G is Rs. 12499. The launch Date of the second phone is September 14, 2025. The cost of Vivo Y31 5G is Rs. 14999.
Xiaomi Redmi 15C 5G has larger screen size of 6.9 inches in comparison to Vivo Y31 5G's 6.68 inch screen. Xiaomi Redmi 15C 5G has IPS LCD Screen type where as Vivo Y31 5G has IPS Screen type. Vivo's phone has display density of 266 PPI & Xiaomi's phone has only 254 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 90.7% than Xiaomi's phone ~ 82.1%. Xiaomi Redmi 15C 5G has 20.6:9 aspect ratio where as Vivo Y31 5G has 20:9 aspect ratio.
Both mobiles come with 4 GB RAM and both have same Internal Memory of 128 GB.
They both have the same 50 MP + Auxiliary lens Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Xiaomi Redmi 15C 5G | Vivo Y31 5G |
| General | ||
| Country of Origin | India | |
| Model | 15C 5G | Y31 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 2 years | |
| Security Updates | 4 years | |
| Release Date | December 03, 2025 | September 14, 2025 |
| In The Box | Dark Purple, Moonlight Blue, Midnight Black | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 79.47 x 171.56 x 7.99 mm | |
| Weight | 211 g | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.9 inches, 720 x 1600 pixels, 120 Hz | 6.68 inches, 720 x 1620 pixels, 120 Hz |
| Aspect Ratio | 20.6:9 | 20:9 |
| PPI | ~ 254 PPI | ~ 266 PPI |
| Screen to Body Ratio | ~ 82.1% | ~ 90.7% |
| Brightness | 660 nits (typ), 810 nits HBM | 1000nts |
| Features | TÜV Rheinland Low Blue Light (Software Solution) Certified, TÜV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified, Contrast ratio: 1200:1, Color gamut: 83% NTSC | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | Upto 4 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 1 TB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi: 2.4GHz | 5GHz | |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.4 |
| USB | Yes | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | No | |
| Extra | ||
| GPS | GPS | Glonass | Galileo | Beidou | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Virtual Proximity Sensor, Ambient Light Sensor Accelerometer, Electronic compass | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope |
| 3.5mm Headphone Jack | Yes | |
| AI Features | Gemini, Circle to Search | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) (Auxiliary lens) | 50 MP (Main) 0.08 MP |
| Auto Focus | Yes | Yes |
| Features | HDR Mode, Night Mode, Auto Night Mode, Portrait Mode, Time-lapse | |
| Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 8 MP ƒ/2 |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | HyperOS 2 | |
| Chipset | Mediatek Dimensity 6300 | MediaTek Dimensity 6300 |
| CPU | 2.4 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| GPU | Arm Mali-G57 MC2 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | Yes | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | Yes | Yes |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-Po Battery | 6500 mAh |
| Fast Charging | Yes, 33W | Yes, 44W |
| Reverse Charging | Yes | |