Xiaomi Mi A1 has better RAM than Vivo Y91 (3GB RAM + 32GB). In terms of display resolution, Xiaomi Mi A1 has better resolution of 1920 x 1080 than Vivo Y91 (3GB RAM + 32GB) which has resolution of 1520 x 720. Xiaomi Mi A1 has more internal memory than Vivo Y91 (3GB RAM + 32GB)
| Name | Xiaomi Mi A1 | Vivo Y91 (3GB RAM + 32GB) |
| RAM | 4 GB | 3 GB |
|---|---|---|
| Display | 5.5 in | 6.22 in |
| Internal Memory | 64 GB | 32 GB |
| Battery | 3080 mAh | 4030 mAh |
| Camera | 12 MP + 12 MP Dual | 13 MP + 2 MP Dual |
| Price | Rs. 9990 | Rs. 8960 |
The cost of Xiaomi Mi A1 is Rs. 9990. The launch Date of the second phone is May 20, 2019. The cost of Vivo Y91 (3GB RAM + 32GB) is Rs. 8960.
Xiaomi Mi A1 has screen size of 5.5 inches which falls short to Vivo Y91 (3GB RAM + 32GB)'s 6.22 inch screen. Xiaomi Mi A1 has IPS Screen type where as Vivo Y91 (3GB RAM + 32GB) has IPS LCD Screen type. Xiaomi's phone has display density of 401 PPI & Vivo's phone has only 270 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 82.9% than Xiaomi's phone ~ 70.1%. Xiaomi Mi A1 has 16:9 aspect ratio where as Vivo Y91 (3GB RAM + 32GB) has 19:9 aspect ratio.
Xiaomi Mi A1's larger 4 GB RAM is better for playing games and all with respect to Vivo Y91 (3GB RAM + 32GB)'s lower 3 GB RAM. Xiaomi Mi A1 has more Internal Memory (64 GB) than Vivo Y91 (3GB RAM + 32GB) (32 GB).
Vivo Y91 (3GB RAM + 32GB)'s 13 MP + 2 MP Dual Rear Camera outshines Xiaomi Mi A1's 12 MP + 12 MP Dual Rear Camera in terms of resolution. Vivo Y91 (3GB RAM + 32GB) will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Xiaomi Mi A1's 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 8.0 and the second one on 8.1 version.
| Name | Xiaomi Mi A1 | Vivo Y91 (3GB RAM + 32GB) |
| General | ||
| Model | Mi A1 | Y91 |
| 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 | May 20, 2019 | |
| Design | ||
| Dimensions | 75.8 x 155.4 x 7.3 mm | 75.1 x 155.1 x 8.3 mm |
| Weight | 165 g | 163.5 g |
| Display | ||
| Type | Color IPS Screen (16M colors Colors) | Color IPS LCD Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 5.5 inches, 1080 x 1920 pixels | 6.22 inches, 720 x 1520 pixels |
| Aspect Ratio | 16:9 | 19:9 |
| PPI | ~ 401 PPI | ~ 270 PPI |
| Screen to Body Ratio | ~ 70.1% | ~ 82.9% |
| Features | Corning Gorilla Glass 3 | |
| Notch | Yes, Water Drop Notch | |
| Memory | ||
| RAM | 4 GB | 3 GB |
| Storage | 64 GB | 32 GB |
| Card Slot | Yes, (Hybrid Slot), upto 128 GB | Yes, upto 256 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.2 | Yes, v4.2 |
| USB | Yes | Yes, microUSB v2.0 |
| USB Features | USB on-the-go | |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS Support | Yes, with A-GPS, GLONASS, BDS |
| Fingerprint Sensor | Yes, Rear | Yes, Rear |
| Sensors | Accelerometer, Gyroscope, Compass | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Extra Features | Android One Phone | |
| Camera | ||
| Rear Camera | 12 MP + 12 MP | 13 MP + 2 MP |
| Auto Focus | Yes | Yes |
| Features | Face detection, Geo tagging, Panorama, Touch to focus | Panorama |
| Video Recording | 4K @ 30 fps UHD | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 5 MP | 8 MP |
| Technical | ||
| OS | Android v8.0 (Oreo) | Android v8.1 (Oreo) |
| Chipset | Qualcomm Snapdragon 625 | MediaTek Helio P22 |
| CPU | 2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| GPU | Adreno 506 | IMG PowerVR GE8320 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS, Instant Messaging | |
| Yes, with Push Email | Yes | |
| Music | MP3, WAV, eAAC+, FLAC | Yes |
| Video | MP4, H.264 | Yes |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 3080 mAh, Li-Po Battery | 4030 mAh, Li-ion Battery |