Xiaomi Redmi 15 5G vs Vivo Y31 5G
Quick Comparison
Xiaomi Redmi 15 5G has better RAM than Vivo Y31 5G. In terms of display resolution, Xiaomi Redmi 15 5G has better resolution of 2340 x 1080 than Vivo Y31 5G which has resolution of 1620 x 720. Both have the same amount of internal memory.
| Name | Xiaomi Redmi 15 5G | Vivo Y31 5G |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6.9 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 6500 mAh |
| Camera | 50 MP Dual | 50 MP + 0.08 MP Dual |
| Price | Rs. 14998 | Rs. 14999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is August 01, 2025. The cost of Xiaomi Redmi 15 5G is Rs. 14998. The launch Date of the second phone is September 14, 2025. The cost of Vivo Y31 5G is Rs. 14999.
Display comparison
Vivo Y31 5G has screen size of 6.68 inches which falls short to Xiaomi Redmi 15 5G's 6.9 inch screen. Both the phones have IPS Screen Type. Xiaomi's phone has display density of 374 PPI & Vivo's phone has only 266 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 ~ 83.2%. Xiaomi Redmi 15 5G has 20.6:9 aspect ratio where as Vivo Y31 5G has 20:9 aspect ratio.
Memory comparison
Xiaomi Redmi 15 5G's larger 6 GB RAM is better for playing games and all with respect to Vivo Y31 5G's lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 50 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Xiaomi Redmi 15 5G | Vivo Y31 5G |
| General | ||
| Country of Origin | India | |
| Model | 15C 5G | Y31 |
| 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 | 2 years | |
| Security Updates | 4 years | |
| Release Date | August 01, 2025 | September 14, 2025 |
| In The Box | Mobile Phone * 1, Adapter * 1, USB Type-C cable * 1, SIM Eject Tool * 1, Quick Start Guide, & Warranty Card * 1, Safety Information * 1 | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 80.45 x 168.48 x 8.4 mm | |
| Weight | 217 g | |
| Colors | Sandy Purple, Frosted White, Midnight Black | |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes, 288 Hz Touch Sampling Rate | Yes |
| Size | 6.9 inches, 1080 x 2340 pixels, 144 Hz | 6.68 inches, 720 x 1620 pixels, 120 Hz |
| Aspect Ratio | 20.6:9 | 20:9 |
| PPI | ~ 374 PPI | ~ 266 PPI |
| Screen to Body Ratio | ~ 83.2% | ~ 90.7% |
| Brightness | 850nits Peak Brightness | 1000nts |
| Features | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 6 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card 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 | 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 |
| Bluetooth | Yes, v5.1, A2DP, LE | Yes, v5.4 |
| USB | Yes, USB-C | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, Glonass, Beidou | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope |
| AI Features | Circle to Search, Gemini AI, AI Erase | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Hydro Touch | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.75 (Wide Angle) | 50 MP (Main) 0.08 MP |
| Auto Focus | Yes | Yes |
| Features | AI Sky, AI Erase, Classic Film Filters | |
| Video Recording | 1080p @ 30 fps FHD | 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 | Qualcomm Snapdragon 6s Gen3 | MediaTek Dimensity 6300 |
| CPU | 2.3 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 | |
| GPU | Adreno 619 | |
| 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 | Bottom Firing Loud Speaker | Dual Stereo |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Si-C EV-Grade Technology | 6500 mAh |
| Fast Charging | Yes, 33W | Yes, 44W |
| Reverse Charging | Yes, 18W | |