Xiaomi Mi 8 SE (6GB RAM + 64GB) has better RAM than Vivo Y91i. In terms of display resolution, Xiaomi Mi 8 SE (6GB RAM + 64GB) has better resolution of 2244 x 1080 than Vivo Y91i which has resolution of 1520 x 720. Xiaomi Mi 8 SE (6GB RAM + 64GB) has more internal memory than Vivo Y91i
| Name | Xiaomi Mi 8 SE (6GB RAM + 64GB) | Vivo Y91i |
| RAM | 6 GB | 2 GB |
|---|---|---|
| Display | 5.88 in | 6.22 in |
| Internal Memory | 64 GB | 16 GB |
| Battery | 3120 mAh | 4030 mAh |
| Camera | 12 MP + 5 MP Dual | 13 MP |
| Price | Rs. 20476 | Rs. 8189 |
The launch Date of the first phone is May, 2018. The cost of Xiaomi Mi 8 SE (6GB RAM + 64GB) is Rs. 20476. The launch Date of the second phone is March, 2019. The cost of Vivo Y91i is Rs. 8189.
Vivo Y91i has larger screen size of 6.22 inches in comparison to Xiaomi Mi 8 SE (6GB RAM + 64GB)'s 5.88 inch screen. Xiaomi Mi 8 SE (6GB RAM + 64GB) has Super AMOLED Screen type where as Vivo Y91i has IPS LCD Screen type. Xiaomi's phone has display density of 424 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 ~ 81.3%. Xiaomi Mi 8 SE (6GB RAM + 64GB) has 18.7:9 aspect ratio where as Vivo Y91i has 19:9 aspect ratio.
Xiaomi Mi 8 SE (6GB RAM + 64GB)'s larger 6 GB RAM is better for playing games and all with respect to Vivo Y91i's lower 2 GB RAM. Xiaomi Mi 8 SE (6GB RAM + 64GB) has more Internal Memory (64 GB) than Vivo Y91i (16 GB).
Vivo Y91i's 13 MP Rear Camera outshines Xiaomi Mi 8 SE (6GB RAM + 64GB)'s 12 MP + 5 MP Dual Rear Camera in terms of resolution. Xiaomi Mi 8 SE (6GB RAM + 64GB) will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Vivo Y91i's 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 8.1 and the second one on v8.1 (Oreo) version.
| Name | Xiaomi Mi 8 SE (6GB RAM + 64GB) | Vivo Y91i |
| General | ||
| Model | Mi 8 SE 6GB | Y91i |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | May, 2018 | March, 2019 |
| Design | ||
| Dimensions | 73.09 x 147.3 x 7.5 mm | 75 x 155 x 8.3 mm |
| Weight | 164 g | 163.5 g |
| Display | ||
| Type | Color Super AMOLED Screen (16M colors Colors) | Color IPS LCD Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 5.88 inches, 1080 x 2244 pixels | 6.22 inches, 720 x 1520 pixels |
| Aspect Ratio | 18.7:9 | 19:9 |
| PPI | ~ 424 PPI | ~ 270 PPI |
| Screen to Body Ratio | ~ 81.3% | ~ 82.9% |
| Features | Corning Gorilla Glass 5 Screen Protection | yes with waterdrop notch |
| Notch | Yes, Large Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 6 GB | 2 GB |
| Storage | 64 GB | 16 GB |
| Card Slot | No | 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, v5.0 | Yes, v4.2 |
| USB | Yes, USB-C | Yes, microUSB v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS Support | Yes |
| Fingerprint Sensor | Yes, Rear | No |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyroscope, Compass, Proximity | Light sensor, Proximity sensor, Accelerometer |
| 3.5mm Headphone Jack | No | Yes |
| Camera | ||
| Rear Camera | 12 MP + 5 MP | 13 MP |
| Auto Focus | Yes | Yes |
| Features | Face detection, Geo tagging, Panorama, Touch to focus | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Video Recording | 4K @ 60 fps UHD | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP | 8 MP |
| Technical | ||
| OS | Android v8.1 (Oreo) | Android v8.1 (Oreo) |
| Chipset | Qualcomm Snapdragon 710 | Mediatek Helio P22 |
| CPU | 2.2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| GPU | Adreno 616 | PowerVR GE8320 |
| Java | Yes, via 3rd party | Yes |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS, Instant Messaging | |
| Yes, with Push Email | Yes | |
| Music | PCM, AAC/AAC+/eAAC+, MP3, AMR – NB and WB, FLAC, APE, WAV | Yes |
| Video | MP4, M4V, MKV, XVID, WAV, AAC, MP3, AMR, FLAC, APE, H.265/HEVC, H.264, MPEG4 | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 3120 mAh, Li-Po Battery | 4030 mAh, Li-Po Battery |
| Fast Charging | Yes, Quick Charge 3.0 | |