Xiaomi Mi A2 vs Vivo Y66 - comparison
| Xiaomi Mi A2 | Vivo Y66 | 
| Change Model   | Change Model   | 
|   |   | 
| Buy Now ₹15,999.00 | Buy Now ₹12,990.00 | 
Comparison Overview Xiaomi Mi A2 vs Vivo Y66
| Key Feature- Xiaomi Mi A2 | Key Feature- Vivo Y66 | 
|---|---|
| Display: 5.99 inch, Resolution: 1080x2160 ~ 403 PPI pixel density | Display: 5.5 inch, Resolution: 720x1280 ~ 267 PPI pixel density | 
| Camera : Back Camera - 20 + 12 MP, FrontCamera - 20 MP | Camera : Back Camera - 13 MP, FrontCamera - 16 MP | 
| Memory : RAM - 4 GB, Internal Memory - 64 GB, Extendable - 0 GB | Memory : RAM - 3 GB, Internal Memory - 32 GB, Extendable - 128 GB | 
| Processor : Octa Core - 1.2GHz Qualcomm Snapdragon 660 with Adreno 512 GPU | Processor : Octa Core - 1.5GHz Mediatek MT6750 with Adreno 505 GPU | 
Reason to Buy Xiaomi Mi A2 over Vivo Y66
| Announced on | |
| Xiaomi Mi A2 | August 2018 | 
| Vivo Y66 | April 2017 | 
| Back Camera | |
| Xiaomi Mi A2 | 20 + 12 MP | 
| Vivo Y66 | 13 MP | 
| Front Camera | |
| Xiaomi Mi A2 | 20 MP | 
| Vivo Y66 | 16 MP | 
| Display Size | |
| Xiaomi Mi A2 | 5.99 inch | 
| Vivo Y66 | 5.5 inch | 
| Pixel Density | |
| Xiaomi Mi A2 | 403 ppi | 
| Vivo Y66 | 267 ppi | 
| Display resolution | |
| Xiaomi Mi A2 | 1080x2160 pixels | 
| Vivo Y66 | 720x1280 pixels | 
| RAM | |
| Xiaomi Mi A2 | 4 GB | 
| Vivo Y66 | 3 GB | 
| Internal Memory | |
| Xiaomi Mi A2 | 64 GB | 
| Vivo Y66 | 32 GB | 
| Battery Capacity | |
| Xiaomi Mi A2 | 3010 mAh | 
| Vivo Y66 | 3000 mAh | 
| Thickness | |
| Xiaomi Mi A2 | 7.3 mm | 
| Vivo Y66 | 7.6 mm | 
| Sensors | |
| Xiaomi Mi A2 | Fingerprint, accelerometer, proximity, compass, Light, Hall, Gyro, Motor | 
| Vivo Y66 | Accelerometer, proximity, compass | 
Reason to Buy Vivo Y66 over Xiaomi Mi A2
| Expandable Memory | |
| Vivo Y66 | 128 GB | 
| Xiaomi Mi A2 | 0 GB | 
| Weight | |
| Vivo Y66 | 155 gm | 
| Xiaomi Mi A2 | 168 gm | 
| Price | |
| Vivo Y66 | 12990 Rs | 
| Xiaomi Mi A2 | 15999 RS | 
Common features in Vivo Y66 and Xiaomi Mi A2
| Network Technology | |
| Xiaomi Mi A2 | GSM, HSPA, LTE, VoLTE | 
| Vivo Y66 | GSM, HSPA, LTE, VoLTE | 
Compare Specification - Xiaomi Mi A2 vs Vivo Y66
| Xiaomi Mi A2 | Vivo Y66 | |
| General | ||
|---|---|---|
| Brand Name | Xiaomi | Vivo | 
| Model Name | Mi A2 | Y66 | 
| Announced On | 2018-08-08 | 2017-04-11 | 
| Network Technology | GSM  HSPA  LTE  VoLTE | GSM  HSPA  LTE  VoLTE | 
| Internet Connectivity | GPRS, EDGE,HSPA, LTE | GPRS, EDGE,HSPA, LTE | 
| SIM | Dual SIM (Nano-SIM + Nano-SIM) | Dual SIM(Micro SIM + Micro SIM) | 
| Operating System | Android v8.1 (Oreo) | Android v6 (marshmallow) | 
| Display | ||
| Display Size | 5.99-inch | 5.5-inch | 
| Display Type | Full HD+ FullView Display | HD IPS Display | 
| Resolution | 1080x2160 Pixels | 720x1280 Pixels | 
| Pixel density | 403PPI | 267PPI | 
| Display Feature | gorilla glass | |
| Processor | ||
| ChipSet | Qualcomm Snapdragon 660 | Mediatek MT6750 | 
| CPU | Octa Core - 1.2GHz | Octa Core - 1.5GHz | 
| GPU | Adreno 512 | Adreno 505 | 
| Memory | ||
| RAM | 4GB | 3GB | 
| Internal Memory | 64GB | 32GB | 
| Expandable Memory | No card slot | 128GB | 
| Camera | ||
| Back Camera | 20 + 12MP | 13MP | 
| Front Camera | 20MP | 16MP | 
| Camera Feature | Back Camera Feature Flash :    LED FLash  f1.75 aperture + Video Recording: 4K(3840x2160)@30fps  AI Dual Camera  Face recognition AI Beautify 4.0 Front Camera Feature Flash :    AI powered portrait mode AI-powered Beautify 4.0 HDR  Face recognition | Back Camera Feature Flash :    LED Flash  f/2.2 Aperture  Video: 1080p @ 30fps Front Camera Feature Flash :    LED Flash  f/2.2 Aperture  Video: 1080p @ 30fps | 
| Connectivity | ||
| WiFi | Yes, Wi-Fi 802.11 b/g/n/ac, Wi-Fi Driect, Wi-Fi hotspot | Yes, Wifi-802.11 b/g/n, Wi-Fi hotspot | 
| Bluetooth | Yes, v5.0 | Yes, v4.0 | 
| Radio | unknown | FM Radio | 
| USB | Type-C | Micro USB | 
| HeadPhone | No 3.5 mm jack (Type-C to 3.5mm converter) | 3.5mm standard jack | 
| Connectivity Features | ||
| GPS | Yes, with A-GPS | Yes, A-GPS | 
| Sensors | Fingerprint  accelerometer  proximity  compass  Light  Hall  Gyro  Motor | Accelerometer  proximity  compass | 
| Battery | ||
| Battery | 3010 mAh Li-ion Battery | 3000 mAh Li-Polymer | 
| Battery StandBy | ||
| Battery Talktime | ||
| Other | ||
| Dimension | 158.7 x 75.4 x 7.3 mm | 153.8 x 75.5 x 7.6 mm | 
| Weight | 168gm | 155gm | 
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