Vivo Y400 5G has better RAM than Xiaomi Redmi Note 15 5G. In terms of display resolution, Vivo Y400 5G has better resolution of 2400 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 Y400 5G | Xiaomi Redmi Note 15 5G |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.67 in | 6.77 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 5520 mAh |
| Camera | 50 MP + 2 MP Dual | 108 MP + 8 MP Dual |
| Price | Rs. 22999 | Rs. 17999 |
The launch Date of the first phone is August 04, 2025. The cost of Vivo Y400 5G is Rs. 22999. The launch Date of the second phone is December 18, 2025. The Expected cost of Xiaomi Redmi Note 15 5G is Rs. 17999.
Vivo Y400 5G has screen size of 6.67 inches which falls short to Xiaomi Redmi Note 15 5G's 6.77 inch screen. There is AMOLED Screen Type in both the phones. Vivo's phone has display density of 395 PPI & Xiaomi's phone has only 388 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 91.96% than Xiaomi's phone ~ 89.7%. Vivo Y400 5G has 20:9 aspect ratio where as Xiaomi Redmi Note 15 5G has 20.5:9 aspect ratio.
Vivo Y400 5G's larger 8 GB RAM is better for playing games and all with respect to Xiaomi Redmi Note 15 5G'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 Y400 5G's 50 MP + 2 MP Dual Rear Camera in terms of resolution. Vivo Y400 5G will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Xiaomi Redmi Note 15 5G's 20 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Vivo Y400 5G | Xiaomi Redmi Note 15 5G |
| General | ||
| Model | V2506 | 25096RA9BG, 25098RA98G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| SAR | 0.99 W/kg (Head) 0.8 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | August 04, 2025 | December 18, 2025 |
| In The Box | Handset, Quick Start Guide, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (Applied), Warranty Card | |
| Design | ||
| Dimensions | 75.31 x 162.29 x 7.9 mm | 75.4 x 164 x 7.4 mm |
| Weight | 197 g | 178 g |
| Bezel less | No | |
| Colors | Olive Green | Glam White | Black, Glacier Blue, Mist Purple |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color AMOLED Screen (68B) |
| Touch | Yes | Yes |
| Size | 6.67 inches, 1080 x 2400 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 395 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 91.96% | ~ 89.7% |
| Glass Type | Scratch/drop-resistant glass, Mohs level 5 | |
| Brightness | Local Peak Brightness: 1800 nits, Brightness HBM: 1200 nits | 3200 nits (peak) |
| Features | Color Gamut: P3 Wide Color Gamut | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Card Slot | Yes, upto 1 TB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n77/n78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz / 5 GHz | |
| Bluetooth | Yes, v5.4 | Yes, v5.3, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | GPS, BeiDou, GLONASS, Galileo, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-Compass, Gyroscope, Ordinary Motor | Accelerometer, Gyro, Compass |
| 3.5mm Headphone Jack | No | |
| NFC | Yes | |
| AI Features | AI Transcript, AI Note Assist, Circle to Search | |
| Water Resistance | Yes | Yes, 1.7 m |
| IP Rating | IP68&69 | IP66 |
| Dust Resistant | Yes | Yes |
| Extra Features | Hi-Res Audio Certification | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Main) 2 MP ƒ/2.4 (Macro) Macro | 108 MP ƒ/1.7 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Night, Portrait, Photo, Video, 50 MP, Pano, Documents, Slo-mo, Time-lapse, Pro, Dual View, Live Photo, Underwater Photography | HDR, Panorama |
| Video Recording | 4K, 1080p | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP (Wide Angle) Punch Hole | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Funtouch OS 15 | MIUI15 |
| Chipset | Qualcomm Snapdragon 4 Gen2 | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | 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, WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, OPUS | MP3, AMR, FLAC, APE |
| Video | MP4, 3GP, AVI, TS, MKV, FLV | MP4, M4V, MKV, XVID |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-ion Battery | 5520 mAh |
| Fast Charging | Yes, 90W Fast Charging | Yes, 45W Fast Charging |
| Reverse Charging | Yes | |