Product
Xiaomi Redmi Note Prime
Xiaomi Redmi Note Prime
Samsung Galaxy J Max
Samsung Galaxy J Max
Battery
Charging 10W wired, QC1 -
Music play Up to 60 h Up to 87 h
Stand-by Up to 775 h (3G) -
Talk time Up to 38 h (3G) Up to 21 h (3G)
Type Li-Po 3100 mAh, removable Li-Ion 4000 mAh, non-removable
Body
Dimensions 154 x 78.7 x 9.4 mm (6.06 x 3.10 x 0.37 in) 186.9 x 108.8 x 8.7 mm (7.36 x 4.28 x 0.34 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Nano-SIM + Nano-SIM
Weight 185 g (6.53 oz) 289 g (10.19 oz)
Comms
Bluetooth 4.0, A2DP, LE 4.0, A2DP
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS
Radio Stereo FM radio FM radio, RDS, recording
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Display
Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density) 800 x 1280 pixels, 16:10 ratio (~216 ppi density)
Size 5.5 inches, 83.4 cm2 (~68.8% screen-to-body ratio) 7.0 inches, 142.1 cm2 (~69.9% screen-to-body ratio)
Type IPS LCD TFT
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer
Launch
Announced 2015, December. Released 2015, December 2016, July. Released 2016, August
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR LED flash, HDR, panorama
Single 13 MP, f/2.2, 28mm (wide), AF 8 MP, f/1.9, AF
Video 1080p@30fps 720p@30fps
Memory
Card slot microSDHC (dedicated slot) microSDXC (dedicated slot)
Internal 16GB 2GB RAM 8GB 1.5GB RAM
  eMMC 4.5 -
Misc
Colors White Black, Gold
Models - SM-T285, SM-T285YD
SAR 0.50 W/kg (head)     -
Network
2G bands GSM 900 / 1800 / 850 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 40, 41 1, 3, 5, 7, 8, 28, 40
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Qualcomm MSM8916 Snapdragon 410 (28 nm) Spreadtrum SC8830
CPU Quad-core 1.2 GHz Cortex-A53 Quad-core 1.5 GHz Cortex-A7
GPU Adreno 306 Mali-400MP2
OS Android 4.4.4 (KitKat), MIUI 9.2 Android 5.1 (Lollipop)
Selfie camera
Single 5 MP 2 MP, f/2.2
Video 720p
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes