Product
Xiaomi Mi Max
Xiaomi Mi Max
Vivo Y12
Vivo Y12
Battery
Type Li-Ion 4850 mAh, non-removable 5000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 4), aluminum back, aluminum frame Glass front, plastic back, plastic frame
Dimensions 173.1 x 88.3 x 7.5 mm (6.81 x 3.48 x 0.30 in) 159.4 x 76.8 x 8.9 mm (6.28 x 3.02 x 0.35 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 203g (7.16 oz) 190.5 g (6.74 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
Infrared port Yes -
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio, recording FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 4 -
Resolution 1080 x 1920 pixels, 16:9 ratio (~342 ppi density) 720 x 1544 pixels, 19.3:9 ratio (~268 ppi density)
Size 6.44 inches, 114.3 cm2 (~74.8% screen-to-body ratio) 6.35 inches, 99.6 cm2 (~81.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2016, May. Released 2016, May 2019, June 20. Released 2019, June
Status Discontinued Discontinued
Main Camera
Features Dual-LED dual-tone flash, panorama, HDR LED flash, HDR, panorama
Single 16 MP, f/2.0, PDAF -
Triple - 13 MP, f/2.2, PDAF 8 MP, f/2.2, 16mm (ultrawide) 2 MP, f/2.4, (depth)
Video 4K@30fps, 1080p@30fps, 720p@120fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 16GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 128GB 4GB RAM (Prime) 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
  eMMC 4.5 or eMMC 5.1 eMMC 5.1
Misc
Colors Gray, Silver, Gold Aqua Blue, Burgundy Red
Models 2016001, 2016002, 2016007 1904, 1940
SAR 0.49 W/kg (head)     1.13 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE
  TD-SCDMA -
Our Tests
Audio quality Noise -93.5dB / Crosstalk -93.8dB -
Battery (old) Endurance rating 108h -
Camera Photo / Video -
Display Contrast ratio: 922 (nominal), 1.996 (sunlight) -
Loudspeaker Voice 67dB / Noise 66dB / Ring 68dB -
Performance Basemark OS II 2.0: 1362Basemark X: 15487 -
Platform
Chipset Qualcomm MSM8956 Snapdragon 650Qualcomm MSM8976 Snapdragon 652 (28 nm) - Prime model Mediatek MT6762 Helio P22 (12 nm)
CPU Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A72)Octa-core (4x1.4 GHz Cortex-A53 & 4x1.8 GHz Cortex-A72) Octa-core 2.0 GHz Cortex-A53
GPU Adreno 510 PowerVR GE8320
OS Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 10 Android 9.0 (Pie), Funtouch 9
Selfie camera
Single 5 MP, f/2.0 8 MP, f/2.2
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes