Xiaomi Redmi Note 15 5G has better RAM than Vivo Y31 (6GB RAM + 128GB). In terms of display resolution, Vivo Y31 (6GB RAM + 128GB) has better resolution of 2408 x 1080 than Xiaomi Redmi Note 15 5G which has resolution of 2392 x 1080. Both have the same amount of internal memory.
| Name | Vivo Y31 (6GB RAM + 128GB) | Xiaomi Redmi Note 15 5G |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.58 in | 6.77 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5000 mAh | 5520 mAh |
| Camera | 48 MP + 2 MP + 2 MP Triple | 108 MP + 8 MP Dual |
| Price | Rs. 20490 | Rs. 22999 |
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 December 18, 2025. The cost of Xiaomi Redmi Note 15 5G is Rs. 22999.
Vivo Y31 (6GB RAM + 128GB) has screen size of 6.58 inches which falls short to Xiaomi Redmi Note 15 5G's 6.77 inch screen. Vivo Y31 (6GB RAM + 128GB) has IPS LCD Screen type where as Xiaomi Redmi Note 15 5G has AMOLED Screen type. Vivo's phone has display density of 401 PPI & Xiaomi's phone has only 388 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 89.7% than Vivo's phone ~ 84.5%. Vivo Y31 (6GB RAM + 128GB) has 20:9 aspect ratio where as Xiaomi Redmi Note 15 5G has 20.5:9 aspect ratio.
Xiaomi Redmi Note 15 5G's larger 8 GB RAM is better for playing games and all with respect to Vivo Y31 (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Xiaomi Redmi Note 15 5G's 108 MP + 8 MP Dual Rear Camera outclasses Vivo Y31 (6GB RAM + 128GB)'s 48 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Xiaomi Redmi Note 15 5G will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Vivo Y31 (6GB RAM + 128GB)'s 16 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 15 version.
| Name | Vivo Y31 (6GB RAM + 128GB) | Xiaomi Redmi Note 15 5G |
| General | ||
| Country of Origin | India | |
| Model | Y31 2021 | 25096RA9BG, 25098RA98G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 20, 2021 | December 18, 2025 |
| In The Box | REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card | |
| Design | ||
| Dimensions | 75 x 163 x 8.4 mm | 75.4 x 164 x 7.35 mm |
| Weight | 188 g | 178 g |
| Colors | Black, Glacier Blue, Mist Purple | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color AMOLED Screen (68B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.58 inches, 1080 x 2408 pixels | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 401 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 84.5% | ~ 89.7% |
| Glass Type | Scratch/drop-resistant glass, Mohs level 5 | |
| Brightness | 3200nits peak brightness, 800nits (typ) | |
| Features | Contrast Ratio: 8,000,000:1, DCI- P3 wide Color Gamut, Sunlight Display, Reading Mode, 3840Hz PWM Dimming | 16,000-level Brightness Adjustment, TÜV Rheinland Low Blue Light, (Hardware Solution) Certified, TUV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| 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 | 5G NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.3, A2DP, LE |
| 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 | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| AI Features | Gemini Live, Circle to Search | |
| Water Resistance | Yes, 1.7 m | |
| IP Rating | IP65 + IP66 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| Auto Focus | Yes | Yes |
| Features | Portrait, Photo, Video, Pano, Live Photo, Slo-Mo, Time-Lapse, Pro, DOC, Super Night Mode | HDR, Panorama |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2 (Wide Angle) | 20 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 | Xiaomi HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 662 | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Adreno 610 | Adreno 710 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, AMR, FLAC, APE |
| Video | Yes | MP4, M4V, MKV, XVID |
| FM Radio | Yes | No |
| Speaker Type | Dual Stereo | |
| Audio Features | Dual Ultra-Linear Speakers, Misound tuning and Dolby Atmos | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-ion Battery | 5520 mAh |
| Fast Charging | Yes, 18W Fast Charging | Yes, 45W Fast Charging |
| Reverse Charging | Yes, 18W | |