Vivo Y31 5G (6GB RAM + 128GB) vs Xiaomi Redmi 15 5G
Here you can compare Vivo Y31 5G (6GB RAM + 128GB) and Xiaomi Redmi 15 5G. Comparing Vivo Y31 5G (6GB RAM + 128GB) vs Xiaomi Redmi 15 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Vivo Y31 5G (6GB RAM + 128GB) stands against Xiaomi Redmi 15 5G and which one should you buy The current lowest price found for Vivo Y31 5G (6GB RAM + 128GB) is ₹19,999 and for Xiaomi Redmi 15 5G is ₹21,499. The details of both of these products were last updated on Aug 04, 2026.
| Specification | Vivo Y31 5G (6GB RAM + 128GB) | Xiaomi Redmi 15 5G |
|---|---|---|
| RAM | 6 GB | 6 GB |
| Battery | 6500 mAh | 7000 mAh, Si-C EV-Grade Technology |
| CPU | 2.2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| OS | Android v15 | Android v15 |
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) | 50 MP ƒ/1.75 (Wide Angle) |
| Price | ₹19,999 | ₹21,499 |
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Overview
| Specs Score | 58 / 100 | 61 / 100 Better Specs |
| Display Resolution | 720 x 1608 pixels | 1080 x 2340 pixels Better Resolution |
| Battery | 6500 mAh | 7000 mAh Bigger Battery |
| Unique Features | No Water Resistant No No | FM Radio No Reverse Charging IR Blaster |
General
| Country of Origin | India | India |
| Model | Y31 | 15 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 | 2 years | |
| Security Updates | 4 years | |
| Release Date | September 15, 2025 | August 01, 2025 |
| In The Box | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter | Mobile Phone * 1, Adapter * 1, USB Type-C cable * 1, SIM Eject Tool * 1, Quick Start Guide, & Warranty Card * 1, Safety Information * 1 |
Design
| Dimensions | 77 x 166.1 x 8.4 mm | 80.45 x 168.48 x 8.4 mm |
| Weight | 209 g | 217 g |
| Colors | Rose Red, Diamond Green | Sandy Purple, Frosted White, Midnight Black |
Display
| Type | Color IPS Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes, 288 Hz Touch Sampling Rate |
| Size | 6.68 inches, 720 x 1608 pixels, 120 Hz | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| PPI | ~ 264 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 84% | ~ 83.2% |
| Glass Type | Guardian Glass (ion-strengthened) | |
| Brightness | 1000nts | 850nits Peak Brightness |
| Features | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
Memory
| RAM | 6 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | 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 | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.2 | Yes, v5.1, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes |
Extra
| GPS | with A-GPS, BeiDou, GLONASS, Galileo | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| 3.5mm Headphone Jack | No | |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | Circle to Search, Gemini AI, AI Erase |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP68/IP69 | IP64 |
| Dust Resistant | Yes | Yes |
| Extra Features | Hydro Touch |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) | 50 MP ƒ/1.75 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Ring- panorama | 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 (Wide Angle) | 8 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 | HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 4 Gen2 | Qualcomm Snapdragon 6s Gen3 |
| CPU | 2.2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 |
| GPU | Adreno 613 | Adreno 619 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A | Yes |
| Video | MP4, 3GP, AVI, TS, MKV, FLV | Yes |
| FM Radio | No | Yes |
| Speaker Type | Dual Stereo | Bottom Firing Loud Speaker |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6500 mAh | 7000 mAh, Si-C EV-Grade Technology |
| Fast Charging | Yes, 44W | Yes, 33W |
| Reverse Charging | Yes, 18W |
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