Xiaomi Redmi Note 15 5G has better RAM than Vivo Y31d. In terms of display resolution, Xiaomi Redmi Note 15 5G has better resolution of 2392 x 1080 than Vivo Y31d which has resolution of 1570 x 720. Both have the same amount of internal memory.
| Name | Vivo Y31d | Xiaomi Redmi Note 15 5G |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.75 in | 6.77 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7200 mAh | 5520 mAh |
| Camera | 50 MP Dual | 108 MP + 8 MP Dual |
| Price | Rs. 11990 | Rs. 24999 |
The launch Date of the first phone is January 16, 2026. The Expected cost of Vivo Y31d is Rs. 11990. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G is Rs. 24999.
Vivo Y31d has screen size of 6.75 inches which falls short to Xiaomi Redmi Note 15 5G's 6.77 inch screen. Vivo Y31d has IPS Screen type where as Xiaomi Redmi Note 15 5G has AMOLED Screen type. Xiaomi's phone has display density of 388 PPI & Vivo's phone has only 256 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 ~ 85.3%. Vivo Y31d 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 Y31d'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 outshines Vivo Y31d's 50 MP Dual 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 Y31d's 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 15 version.
| Name | Vivo Y31d | Xiaomi Redmi Note 15 5G |
| General | ||
| Country of Origin | India | |
| Model | Y31d | 25096RA9BG, 25098RA98G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 16, 2026 | 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 | 78.4 x 166.6 x 8.4 mm | 75.4 x 164 x 7.35 mm |
| Weight | 219 g | 178 g |
| Bezel less | No | |
| Colors | Glow White, Starlight Grey | Black, Glacier Blue, Mist Purple |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color AMOLED Screen (68B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.75 inches, 720 x 1570 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 256 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 85.3% | ~ 89.7% |
| Glass Type | Scratch/drop-resistant glass, Mohs level 5 | |
| Brightness | 3200nits peak brightness, 800nits (typ) | |
| Features | 83% NTSC, 1000 nits (HBM) | 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, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | Upto 8 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 | |
| 5G Bands | 5G NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.1 | 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 | Yes |
| Extra | ||
| GPS | GPS, BeiDou, GLONASS, Galileo, QZSS | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | |
| AI Features | Gemini Live, Circle to Search | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.7 m |
| IP Rating | IP68 | IP65 + IP66 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/2 (Wide Angle) | 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 | HDR, Panorama | HDR, Panorama |
| Video Recording | 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.1 (Wide Angle) Punch Hole | 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 v16 | Android v15 |
| Custom UI | OriginOS 6 | Xiaomi HyperOS 2 |
| Chipset | Qualcomm Snapdragon 6s Gen 2 4G | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.9 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz | |
| GPU | Adreno | Adreno 710 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, OGG, FLAC, WAV, APE, MP3, MP2, MP1, OPUS, M4A | MP3, AMR, FLAC, APE |
| Video | MP4, 3GP, AVI, FLV, MKV | MP4, M4V, MKV, XVID |
| FM Radio | No | 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 | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7200 mAh, Li-ion Battery | 5520 mAh |
| Fast Charging | Yes, 444W Fast Charging | Yes, 45W Fast Charging |
| Reverse Charging | Yes | Yes, 18W |