Product
Xiaomi Mi Max
Xiaomi Mi Max
Xiaomi Redmi S2 (Redmi Y2)
Xiaomi Redmi S2 (Redmi Y2)
Battery
Charging - 10W wired
Type Li-Ion 4850 mAh, non-removable Li-Po 3080 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) 160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 203g (7.16 oz) 170 g (6.00 oz)
Comms
Bluetooth 4.2, A2DP, LE 4.2, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS
Radio FM radio, recording FM radio
USB microUSB 2.0, OTG microUSB 2.0
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 1440 pixels, 18:9 ratio (~269 ppi density)
Size 6.44 inches, 114.3 cm2 (~74.8% screen-to-body ratio) 5.99 inches, 92.6 cm2 (~74.5% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2016, May. Released 2016, May 2018, May. Released 2018, May
Status Discontinued Discontinued
Main Camera
Dual - 12 MP, f/2.2, 1.25μm, PDAF 5 MP, f/2.4, (depth)
Features Dual-LED dual-tone flash, panorama, HDR LED flash, panorama, HDR
Single 16 MP, f/2.0, PDAF -
Video 4K@30fps, 1080p@30fps, 720p@120fps 1080p@30fps (gyro-EIS)
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, 64GB 4GB RAM
  eMMC 4.5 or eMMC 5.1 eMMC 5.1
Misc
Colors Gray, Silver, Gold Gray, Gold, Rose Gold, Mesmerising Blue, Stunning Black
Models 2016001, 2016002, 2016007 M1803E6G, M1803E6H, M1803E6I
SAR 0.49 W/kg (head)     1.13 W/kg (body)     0.43 W/kg (head)     1.58 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 / 1900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 4, 5, 7, 8, 20, 38, 40 - Global
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / CDMA / HSPA / LTE
  TD-SCDMA 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China
Our Tests
Audio quality Noise -93.5dB / Crosstalk -93.8dB Noise -90.3dB / Crosstalk -93.1dB
Battery (old) Endurance rating 108h Endurance rating 92h
Camera Photo / Video Photo / Video
Display Contrast ratio: 922 (nominal), 1.996 (sunlight) Contrast ratio: 1072:1 (nominal), 3.077 (sunlight)
Loudspeaker Voice 67dB / Noise 66dB / Ring 68dB Voice 68dB / Noise 69dB / Ring 82dB
Performance Basemark OS II 2.0: 1362Basemark X: 15487 AnTuTu: 77488 (v7) GeekBench: 4313 (v4.4) GFXBench: 7.4fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm MSM8956 Snapdragon 650Qualcomm MSM8976 Snapdragon 652 (28 nm) - Prime model Qualcomm MSM8953 Snapdragon 625 (14 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 Adreno 506
OS Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 10 Android 8.1 (Oreo), upgradable to Android 9, MIUI 12
Selfie camera
Features - HDR, LED flash
Single 5 MP, f/2.0 16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes