Both Vivo Y400 Pro 5G and Vivo V21 5G (8GB RAM + 256GB) comes with same RAM. In terms of display resolution, Vivo V21 5G (8GB RAM + 256GB) has better resolution of 2400 x 1080 than Vivo Y400 Pro 5G which has resolution of 2392 x 1080. Vivo V21 5G (8GB RAM + 256GB) has more internal memory than Vivo Y400 Pro 5G
| Name | Vivo Y400 Pro 5G | Vivo V21 5G (8GB RAM + 256GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.77 in | 6.44 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 5500 mAh | 4000 mAh |
| Camera | 50 MP + 2 MP Dual | 64 MP + 8 MP + 2 MP Triple |
| Price | Rs. 25999 | Rs. 30990 |
The launch Date of the first phone is June 20, 2025. The cost of Vivo Y400 Pro 5G is Rs. 25999. The launch Date of the second phone is April 27, 2021. The cost of Vivo V21 5G (8GB RAM + 256GB) is Rs. 30990.
Vivo Y400 Pro 5G has larger screen size of 6.77 inches in comparison to Vivo V21 5G (8GB RAM + 256GB)'s 6.44 inch screen. Vivo Y400 Pro 5G has AMOLED Screen type where as Vivo V21 5G (8GB RAM + 256GB) has Screen type. Vivo V21 5G (8GB RAM + 256GB) has display density of 409 PPI & Vivo Y400 Pro 5G has only 388 PPI display density. In terms of screen to body ratio, Vivo Y400 Pro 5G has better screen to body ratio of ~ 88.8% than Vivo V21 5G (8GB RAM + 256GB)'s ~ 84.8%. Both phones have same aspect ratio of 20:9.
Both mobiles come with 8 GB RAM Vivo V21 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Vivo Y400 Pro 5G (128 GB).
Vivo V21 5G (8GB RAM + 256GB)'s 64 MP + 8 MP + 2 MP Triple Rear Camera outclasses Vivo Y400 Pro 5G's 50 MP + 2 MP Dual Rear Camera in terms of resolution. Vivo V21 5G (8GB RAM + 256GB) will be better choice if you're looking to click lot of selfies as it has better 44 MP Front Camera in comparison to Vivo Y400 Pro 5G's 32 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 11 version.
| Name | Vivo Y400 Pro 5G | Vivo V21 5G (8GB RAM + 256GB) |
| General | ||
| Model | Y400 Pro 5G | V21 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| SAR | 0.9 W/kg (Head) 0.9 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | June 20, 2025 | April 27, 2021 |
| Design | ||
| Dimensions | 75 x 163.72 x 7.49 mm | 73.9 x 159.7 x 7.3 mm |
| Weight | 182 g | 176 g |
| Colors | Black, Ocean Blue, Titanium, White | |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color E3 AMOLED (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.44 inches, 1080 x 2400 pixels, 90 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 388 PPI | ~ 409 PPI |
| Screen to Body Ratio | ~ 88.8% | ~ 84.8% |
| Glass Type | Schott Xensation UP Display Protection | |
| Brightness | 4500nits | |
| Features | Always-on display | HDR10+ |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot) | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n38/n40/n41 (2535–2655 MHz)/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz, 5 GHz | |
| Bluetooth | Yes, v5.4 | Yes, v5.1, 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 | |
| Performance | ||
| AnTuTu Score | 720,000 (Total) (v10) | |
| Extra | ||
| GPS | GPS, BeiDou, GLONASS, Galileo, QZSS | Yes, with A-GPS, BEIDOU, GALILEO, GLONASS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Gyroscope, Ambient Light Sensor, Proximity Sensor, E-compass |
| 3.5mm Headphone Jack | No | No |
| AI Features | AI Super Link, AI Transcript Assist, AI Note Assist | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 2 MP (Depth Sensor) | 64 MP ƒ/1.79 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.2 (Macro) Macro |
| Camera Sensor | Sony IMX882 | |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Photo, Portrait, Night, Video, 50 MP, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Pro, Food, Dual View, Film Camera | HDR, Panorama, Eye Autofocus, Night, Ultra-Wide Night, Ultra Stable Video, Art Portrait Video, Super Macro, Bokeh Portrait, Multi-Style Portrait |
| Video Recording | 4K, 1080p | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) Punch Hole | 44 MP ƒ/2 (Wide Angle) Autofocus, LED Flash |
| Front Video Recording | 1080p, 4K | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v11 |
| Custom UI | Funtouch OS 15 | |
| Chipset | Mediatek Dimensity 7300 | MediaTek Dimensity 800U |
| CPU | 2.5 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 |
| Fabrication Node | 4nm | |
| GPU | Mali-G615 MC2 | Mali-G57 MC3 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, OPUS | WAV, MP3, MP2, MIDI, Vorbis, APE, FLAC |
| Video | MP4, 3GP, AVI, TS, MKV, FLV | MP4, 3GP, AVI, FLV, MKV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5500 mAh, Li-ion Battery | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 90W Fast Charging | Yes, 33W Fast Charging |
| Video Playback Time | 21 hours | |