Product
Xiaomi Redmi Note 9T
Xiaomi Redmi Note 9T
Samsung Galaxy J7 Max
Samsung Galaxy J7 Max
Battery
Charging 18W wired, 33% in 30 min -
Music play - Up to 72 h
Talk time - Up to 20 h (3G)
Type Li-Po 5000 mAh Li-Ion 3300 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), plastic back, plastic frame Glass front, aluminum/plastic back, aluminum frame
Dimensions 161.2 x 77.3 x 9.1 mm (6.35 x 3.04 x 0.36 in) 156.7 x 78.8 x 8.1 mm (6.17 x 3.10 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 199 g (7.02 oz) 179 g (6.31 oz)
  Water-repellent coating -
Comms
Bluetooth 5.1, A2DP, LE 4.2, A2DP, LE
Infrared port Yes -
NFC Yes No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS
Radio FM radio, recording FM radio
USB USB Type-C 2.0 microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) 1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Size 6.53 inches, 104.7 cm2 (~84.0% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~72.5% screen-to-body ratio)
Type IPS LCD, 450 nits (typ) PLS
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2021, January 08 2017, June. Released 2017, June
Status Available. Released 2021, January 18 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single - 13 MP, f/1.7, AF
Triple 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Video 4K@30fps, 1080p@30/60fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 32GB 4GB RAM
  UFS 2.1 - 64GB UFS 2.2 - 128GB -
Misc
Colors Nightfall Black, Daybreak Purple Black, Gold
Models M2007J22G, J22 SM-G615F, SM-G615FU
SAR 1.07 W/kg (head)     1.05 W/kg (body)     0.57 W/kg (head)     1.06 W/kg (body)    
SAR EU 0.59 W/kg (head)     0.94 W/kg (body)     0.46 W/kg (head)     1.52 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42 1, 3, 5, 8, 20, 40
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6 -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE
Our Tests
Battery (old) Endurance rating 118h -
Camera Photo / Video -
Display 1226:1 contrast ratio, 471 nits max brightness (measured) -
Loudspeaker -26.3 LUFS (Good) -
Performance AnTuTu: 288732 (v8) GeekBench: 1775 (v5.1) GeekBench: 3509 (v4.4) GFXBench: 4fps (ES 3.1 onscreen)
Platform
Chipset Mediatek Dimensity 800U (7 nm) Mediatek MT6757 Helio P20 (16 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.65 GHz Cortex-A53)
GPU Mali-G57 MC3 Mali-T880MP2
OS Android 10, MIUI 12 Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Selfie camera
Features - LED flash
Single 13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm 13 MP, f/1.9, 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with stereo speakers Yes
  24-bit/192kHz Hi-Res audio -