Vivo Y31 (6GB RAM + 128GB) vs Xiaomi Redmi 15 5G
Quick Comparison
Both Vivo Y31 (6GB RAM + 128GB) and Xiaomi Redmi 15 5G comes with same RAM. In terms of display resolution, Vivo Y31 (6GB RAM + 128GB) has better resolution of 2408 x 1080 than Xiaomi Redmi 15 5G which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Vivo Y31 (6GB RAM + 128GB) | Xiaomi Redmi 15 5G |
| RAM | 6 GB | 6 GB |
|---|---|---|
| Display | 6.58 in | 6.9 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5000 mAh | 7000 mAh |
| Camera | 48 MP + 2 MP + 2 MP Triple | 50 MP Dual |
| Price | Rs. 20490 | Rs. 16499 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is January 20, 2021. The cost of Vivo Y31 (6GB RAM + 128GB) is Rs. 20490. The launch Date of the second phone is August 01, 2025. The cost of Xiaomi Redmi 15 5G is Rs. 16499.
Display comparison
Xiaomi Redmi 15 5G has larger screen size of 6.9 inches in comparison to Vivo Y31 (6GB RAM + 128GB)'s 6.58 inch screen. Vivo Y31 (6GB RAM + 128GB) has IPS LCD Screen type where as Xiaomi Redmi 15 5G has IPS Screen type. Vivo's phone has display density of 401 PPI & Xiaomi's phone has only 374 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 84.5% than Xiaomi's phone ~ 83.2%. Vivo Y31 (6GB RAM + 128GB) has 20:9 aspect ratio where as Xiaomi Redmi 15 5G has 20.6:9 aspect ratio.
Memory comparison
Both mobiles come with 6 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Xiaomi Redmi 15 5G's 50 MP Dual Rear Camera outclasses Vivo Y31 (6GB RAM + 128GB)'s 48 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Vivo Y31 (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to Xiaomi Redmi 15 5G's 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 15 version.
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Full Comparison
| Name | Vivo Y31 (6GB RAM + 128GB) | Xiaomi Redmi 15 5G |
| General | ||
| Country of Origin | India | |
| Model | Y31 2021 | 15 5G |
| 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 | January 20, 2021 | August 01, 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 | |
| Design | ||
| Dimensions | 75 x 163 x 8.4 mm | 80.45 x 168.48 x 8.4 mm |
| Weight | 188 g | 217 g |
| Colors | Sandy Purple, Frosted White, Midnight Black | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes, 288 Hz Touch Sampling Rate |
| Size | 6.58 inches, 1080 x 2408 pixels | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| PPI | ~ 401 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 84.5% | ~ 83.2% |
| Brightness | 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 | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 1 TB | Yes, (Hybrid Slot), upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | 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, v5.0, A2DP, LE | Yes, v5.1, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| 3.5mm Headphone Jack | Yes | |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Hydro Touch | |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 50 MP ƒ/1.75 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Portrait, Photo, Video, Pano, Live Photo, Slo-Mo, Time-Lapse, Pro, DOC, Super Night Mode | AI Sky, AI Erase, Classic Film Filters |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 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 v11 | Android v15 |
| Custom UI | HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 662 | Qualcomm Snapdragon 6s Gen3 |
| CPU | 2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 |
| GPU | Adreno 610 | Adreno 619 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | Yes | Yes |
| Speaker Type | Bottom Firing Loud Speaker | |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-ion Battery | 7000 mAh, Si-C EV-Grade Technology |
| Fast Charging | Yes, 18W Fast Charging | Yes, 33W |
| Reverse Charging | Yes, 18W | |