Vivo X21 UD vs Vivo V31 Pro 5G
Quick Comparison
Vivo V31 Pro 5G has better RAM than Vivo X21 UD. In terms of display resolution, Vivo V31 Pro 5G has better resolution of 2800 x 1260 than Vivo X21 UD which has resolution of 2280 x 1080. Vivo V31 Pro 5G has more internal memory than Vivo X21 UD
| Name | Vivo X21 UD | Vivo V31 Pro 5G |
| RAM | 6 GB | 12 GB |
|---|---|---|
| Display | 6.28 in | 6.8 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 3200 mAh | 5000 mAh |
| Camera | 12 MP + 5 MP Dual | 64 MP + 50 MP + 50 MP Triple |
| Price | Rs. 29990 | Rs. 42990 |
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Detailed Comparison
Price And Launch
The cost of Vivo X21 UD is Rs. 29990. The launch Date of the second phone is expected to be September 07, 2025 (Expected). The Expected cost of Vivo V31 Pro 5G is Rs. 42990.
Display comparison
Vivo X21 UD has screen size of 6.28 inches which falls short to Vivo V31 Pro 5G's 6.8 inch screen. Vivo X21 UD has Super AMOLED Screen type where as Vivo V31 Pro 5G has AMOLED Screen type. Vivo V31 Pro 5G has display density of 453 PPI & Vivo X21 UD has only 402 PPI display density. Vivo X21 UD has 19:9 aspect ratio where as Vivo V31 Pro 5G has 20:9 aspect ratio.
Memory comparison
Vivo V31 Pro 5G's larger 12 GB RAM is better for playing games and all with respect to Vivo X21 UD's lower 6 GB RAM. Vivo V31 Pro 5G has more Internal Memory (256 GB) than Vivo X21 UD (128 GB).
Camera comparison
Vivo V31 Pro 5G's 64 MP + 50 MP + 50 MP Triple Rear Camera outclasses Vivo X21 UD's 12 MP + 5 MP Dual Rear Camera in terms of resolution. Vivo V31 Pro 5G will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Vivo X21 UD's 12 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 8.1 and the second one on 14 version.
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Full Comparison
| Name | Vivo X21 UD | Vivo V31 Pro 5G |
| General | ||
| Model | V31 Pro | |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 07, 2025 (Expected) | |
| Design | ||
| Dimensions | 74.8 x 154.5 x 7.4 mm | |
| Weight | 156 g | |
| Bezel less | Yes | |
| Qwerty | No | |
| Display | ||
| Type | Color Super AMOLED Screen (16M colors Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes, 480 Hz Touch Sampling Rate |
| Size | 6.28 inches, 1080 x 2280 pixels | 6.8 inches, 1260 x 2800 pixels, 120 Hz |
| Aspect Ratio | 19:9 | 20:9 |
| PPI | ~ 402 PPI | ~ 453 PPI |
| Screen to Body Ratio | ~ 89.9% | |
| Features | HDR10+, 3500 nits (peak) | |
| Notch | Yes, Punch Hole | |
| Foldable Display | No | |
| Curved Display | Yes | |
| Dual Display | No | |
| Memory | ||
| RAM | 6 GB | 12 GB |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, (Hybrid Slot) | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n8/n28A/n40/n77/n78 | |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes | Yes, v5.4 |
| USB | Yes, microUSB | Yes, USB-C v2.0 |
| USB Features | USB on-the-go | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| Extra | ||
| GPS | Yes, with A-GPS Support | GPS, Beidou, Galileo, GLONASS, QZSS, NavIC, GNSS |
| Fingerprint Sensor | Yes | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Compass | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Not Available in Indian Variant | |
| Splash Resistant | Yes | |
| IP Rating | IP54 | |
| Dust Resistant | Yes | |
| Extra Features | SAR Value Head: 0.990 W/kg (at 1g), SAR Value Body: 0.975 W/kg (at 1g) | |
| Camera | ||
| Rear Camera | 12 MP + 5 MP | 64 MP ƒ/1.88 (Wide Angle) 50 MP ƒ/1.85 Portrait 50 MP ƒ/2 (Wide Angle) |
| Camera Sensor | Sony IMX920 Main + Sony IMX816 Portrait | |
| Auto Focus | Yes | Yes |
| Features | Face detection, Geo tagging, Panorama, Touch to focus | Zeiss optics, Zeiss T Lens Coating, High resolution, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Astro, Pro, Sports, Food, Dual View, Live Photo, Night, Portrait, Photo, Video, Micro Movie |
| Video Recording | 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 12 MP | 50 MP ƒ/2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v8.1 (Oreo) | Android v14 |
| Custom UI | Funtouch OS 14 | |
| Chipset | Qualcomm Snapdragon 660 | Mediatek Dimensity 9300 |
| CPU | 2.2 GHz, Octa Core Processor | 3.25 GHz, Octa Core Processor |
| Core Details | 4xArm Cortex-X4@3.25GHz & 4xCortex-A720@2.0GHz | |
| GPU | Adreno 512 | Arm Immortalis-G720 |
| Java | Yes, via 3rd party | No |
| Browser | Yes, supports HTML | Yes |
| Multimedia | ||
| Supports | MMS | |
| Yes, with Push Email | Yes | |
| Music | MP3, WAV, eAAC+, FLAC | AAC, OGG, FLAC, WAV, APE, MP3, MP2, MP1, OPUS, M4A |
| Video | MP4, H.264 | MP4, 3GP, AVI, FLV, MKV |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 3200 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W FlashCharge | |