Product
Xiaomi Mi Max
Xiaomi Mi Max
Xiaomi Redmi Note 7S
Xiaomi Redmi Note 7S
Battery
Charging - 18W wired, QC4
Type Li-Ion 4850 mAh, non-removable Li-Po 4000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 4), aluminum back, aluminum frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions 173.1 x 88.3 x 7.5 mm (6.81 x 3.48 x 0.30 in) 159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 203g (7.16 oz) 186 g (6.56 oz)
  - Splash resistant
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio, recording FM radio, recording
USB microUSB 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 4 Corning Gorilla Glass 5
Resolution 1080 x 1920 pixels, 16:9 ratio (~342 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size 6.44 inches, 114.3 cm2 (~74.8% screen-to-body ratio) 6.3 inches, 97.4 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, gyro, proximity, compass
Launch
Announced 2016, May. Released 2016, May 2019, May. Released 2019, May
Status Discontinued Discontinued
Main Camera
Dual - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.2, (depth)
Features Dual-LED dual-tone flash, panorama, HDR Dual-LED flash, HDR, panorama
Single 16 MP, f/2.0, PDAF -
Video 4K@30fps, 1080p@30fps, 720p@120fps 1080p@30/60/120fps, (gyro-EIS)
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM 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 Onyx Black, Sapphire Blue, Ruby Red, Astro White
Models 2016001, 2016002, 2016007 M1901F71
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 / 1900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 5, 8, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 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 Qualcomm SDM660 Snapdragon 660 (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 (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU Adreno 510 Adreno 512
OS Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 10 Android 9.0 (Pie), planned upgrade to Android 10, MIUI 12
Selfie camera
Features - HDR
Single 5 MP, f/2.0 13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes