Redmi Note 15 4G vs Vivo Y31d Full Specification Comparison
| Specs | Redmi Note 15 4G | Vivo Y31d | |
|---|---|---|---|
Launch | |||
| Date | December 12, 2025 In Nepal: 19 Jan 2026 | January 30, 2026 In Nepal: February 25, 2026 | |
| Market Status | Upcoming | In stock | |
Type | |||
| Series | Note 15 | Vivo Y | |
| Device Type | Traditional Smartphone | Traditional Smartphone | |
Body | |||
| Dimension | Unspecified | 166.6 × 78.4 × 8.39 mm | |
| Weight | Unspecified | 219 gm | |
| Build | Back: Plastic Front: Gorilla Glass 5 Frame: Plastic IP rating: IP64 dust and splash resistance | Back: Plastic Front: Glass Frame: Plastic IP rating: IP69 dust and water resistance | |
| Colors | Black, Forest Green, Glacier Blue | Glow White, Starlight Gray | |
Display | |||
| Size | 6.77 inches | 6.75 inches | |
| Display Type | AMOLED | IPS LCD | |
| Resolution | FHD+ (2392 x 1080), 20 : 9 ratio, 388 PPI | HD+ (1570 x 720), 19.5 : 9 ratio, 256 PPI | |
| Protection | Corning Gorilla Glass 5 | Glass | |
| Refresh Rate | 120Hz | 120Hz | |
| Touch Sampling Rate | Unspecified | Unspecified | |
| Brightness | Unspecified | 1250 nits (HBM) | |
| Other | 8 bit color depth, DCI- P3 wide color gamut, 960Hz PWM dimming | ||
| Others | TÜV Rheinland Blue Light Reduction | ||
Network | |||
| SIM | Dual SIM (Nano) | Dual SIM (Nano) | |
| Technology | GSM / HSPA / LTE | GSM / WCDMA / LTE | |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 | |
| 3G Bands | HSDPA 850 / 900 / 2100 | WCDMA 1 / 5 / 8 | |
| 4G Bands | B1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | B1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | |
| 5G Bands | No | ||
Performance | |||
| Chipset | Mediatek Helio G100 Ultra (6nm) | Qualcomm Snapdragon 6s 4G Gen 2 (6nm) | |
| CPU | Octa-core - 2x Cortex-A76 (2.2 GHz) - 6x Cortex-A55 (2.0 GHz) | Octa-core - 4x Cortex-A73 (2.9 GHz) - 4x Cortex-A53 (1.9 GHz) | |
| GPU | Mali-G57 MC2 | Adreno GPU | |
| OS | Android 15 | Android 16 | |
| UI Version | HyperOS 2 | OriginOS 6 | |
| Promised Updates | Unspecified | Unspecified | |
Memory | |||
| RAM | 6GB / 8GB LPDDR4X | 6GB / 8GB LPDDR4X | |
| Storage | 128GB / 256GB UFS 2.2 | 128GB / 256GB UFS 2.2 | |
| Variant | 6/128GB, 8/256GB | 6GB / 128GB, 8GB / 128GB, 8GB / 256GB | |
| SD Card | Yes (microSD) | No | |
Back Cameras | |||
| Modules | Primary: 108MP, f/1.7, PDAF, 1/1.67” ISOCELL sensor Macro: 2MP, f/2.4 | Primary: 50MP, f/2.0, 21mm, PDAF Auxiliary lens | |
| Features | LED flash, HDR, panorama | LED flash, HDR, Panorama | |
| Video | 1080p @ 30 fps | 1080p @ 30 fps | |
Front Camera | |||
| Modules | 20MP, f/2.2, 1/4.0" PureCel sensor | 5MP, f/2.2 | |
| Features | Unspecified | Night, Portrait, Video, Live Photo, Dual View | |
| Video | 1080p @ 30 fps | 1080p @ 30 fps | |
Security | |||
| Fingerprint | In-display (Optical) | Side-mounted | |
| Face Unlock | 2D Face Recognition | Unspecified | |
Audio | |||
| Speaker | Stereo Speakers | Stereo Speakers | |
| 3.5 mm Jack | Yes | No | |
| Others | 24-bit/192kHz Hi-Res audio | Unspecified | |
Sensors | |||
| Type | Accelerometer, Compass, Gyro, Proximity | Accelerometer, Compass, Gyro, Proximity | |
Connectivity | |||
| WLAN | Wi-Fi 5, Dual-band | Wi-Fi 5, Dual-band | |
| Bluetooth | 5.3, A2DP, LE | 5.1, LE | |
| GPS | Yes, with A-GPS, BDS, Galileo, Glonass | Yes with A-GPS, BDS, GALILEO, GLONASS, QZSS | |
| NFC | Yes | No | |
| USB | USB 2.0 Type-C, OTG | USB 2.0 Type-C, OTG | |
Battery | |||
| Type | Si-Ca 6000 mAh, non-removable | Si-Ca 7200 mAh, non-removable | |
| Charging | 33W Fast Charging | 44W Fast Charging | |
| Wireless Charging | No | No | |
Extras | |||
| Features | AI Erase, AI Sky Replacement, High Brightness AMOLED Display | Unspecified | |
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