Vivo Y400 5G vs Vivo Y21 5G (6GB RAM + 128GB)
Quick Comparison
Vivo Y400 5G has better RAM than Vivo Y21 5G (6GB RAM + 128GB). In terms of display resolution, Vivo Y400 5G has better resolution of 2400 x 1080 than Vivo Y21 5G (6GB RAM + 128GB) which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Vivo Y400 5G | Vivo Y21 5G (6GB RAM + 128GB) |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.67 in | 6.74 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 6500 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 0.08 MP Dual |
| Price | Rs. 25999 | Rs. 20999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is August 04, 2025. The cost of Vivo Y400 5G is Rs. 25999. The launch Date of the second phone is March 26, 2026. The cost of Vivo Y21 5G (6GB RAM + 128GB) is Rs. 20999.
Display comparison
Vivo Y400 5G has screen size of 6.67 inches which falls short to Vivo Y21 5G (6GB RAM + 128GB)'s 6.74 inch screen. Vivo Y400 5G has AMOLED Screen type where as Vivo Y21 5G (6GB RAM + 128GB) has IPS Screen type. Vivo Y400 5G has display density of 395 PPI & Vivo Y21 5G (6GB RAM + 128GB) has only 260 PPI display density. In terms of screen to body ratio, Vivo Y400 5G has better screen to body ratio of ~ 91.96% than Vivo Y21 5G (6GB RAM + 128GB)'s ~ 85%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Vivo Y400 5G's larger 8 GB RAM is better for playing games and all with respect to Vivo Y21 5G (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 50 MP + 2 MP Dual Rear Camera. 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 Vivo Y21 5G (6GB RAM + 128GB)'s 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 16 version.
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Full Comparison
| Name | Vivo Y400 5G | Vivo Y21 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | V2506 | Y21 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 0.99 W/kg (Head) 0.8 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | August 04, 2025 | March 26, 2026 |
| 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 | 77.1 x 167.4 x 8.4 mm |
| Weight | 197 g | 209 g |
| Bezel less | No | |
| Colors | Olive Green | Glam White | Champagne Gold, Midnight Blue |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color IPS Screen |
| Touch | Yes | Yes |
| Size | 6.67 inches, 1080 x 2400 pixels, 120 Hz | 6.74 inches, 720 x 1600 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 395 PPI | ~ 260 PPI |
| Screen to Body Ratio | ~ 91.96% | ~ 85% |
| Brightness | Local Peak Brightness: 1800 nits, Brightness HBM: 1200 nits | 1200 nits Peak Brightness |
| Features | Color Gamut: P3 Wide Color Gamut | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | |
| Card Slot | Yes | |
| 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 | n1/n3/n5/n8/n28B/n38/n40/n77/n78 |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz / 5 GHz | 2.4 GHz / 5 GHz |
| Bluetooth | Yes, v5.4 | Yes |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | Yes | |
| Extra | ||
| GPS | GPS, BeiDou, GLONASS, Galileo, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-Compass, Gyroscope, Ordinary Motor | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | |
| NFC | Yes | |
| AI Features | AI Transcript, AI Note Assist, Circle to Search | AI Creation, AI Photo Enhance, AI Documents, AI Screen Translation, Circle to Search |
| Water Resistance | Yes | Yes |
| IP Rating | IP68&69 | IP65 |
| 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 | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP |
| 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 | |
| Video Recording | 4K, 1080p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP (Wide Angle) Punch Hole | 5 MP ƒ/2.2 (Wide Angle) |
| Front Video Recording | 1080p | |
| Technical | ||
| OS | Android v15 | Android v16 |
| Custom UI | Funtouch OS 15 | OriginOS 6 |
| Chipset | Qualcomm Snapdragon 4 Gen2 | Mediatek Dimensity 6300 |
| CPU | 2.2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz |
| GPU | Adreno | Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, OPUS | Yes |
| Video | MP4, 3GP, AVI, TS, MKV, FLV | Yes |
| 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 | 6500 mAh, Li-ion Battery |
| Fast Charging | Yes, 90W Fast Charging | Yes, 44W Fast Charging |
| Reverse Charging | Yes | |