Product
Xiaomi Redmi 9i
Xiaomi Redmi 9i
Samsung Galaxy J2 Pro (2018)
Samsung Galaxy J2 Pro (2018)
Battery
Charging 10W wired -
Music play - Up to 60 h
Talk time - Up to 18 h (3G)
Type Li-Po 5000 mAh Li-Ion 2600 mAh, removable
Body
Build - Glass front (Gorilla Glass), plastic back
Dimensions 164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in) 143.8 x 72.3 x 8.4 mm (5.66 x 2.85 x 0.33 in)
SIM Nano-SIM + Nano-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 194 g (6.84 oz) 153 g (5.40 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass (unspecified version)
Resolution 720 x 1600 pixels, 20:9 ratio (~269 ppi density) 540 x 960 pixels, 16:9 ratio (~220 ppi density)
Size 6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~66.3% screen-to-body ratio)
Type IPS LCD, 270 nits (typ) Super AMOLED
Features
Sensors Accelerometer, proximity, compass Accelerometer, proximity
Launch
Announced 2020, September 15 2018, January. Released 2018, January
Status Available. Released 2020, September 18 Discontinued
Main Camera
Features LED flash, HDR LED flash, HDR, panorama
Single 13 MP, f/2.2, 28mm (wide), 1.0µm, PDAF 8 MP, f/2.2, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM 16GB 1.5GB RAM, 16GB 2GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Midnight Black, Sea Blue, Nature Green Black, Gold, Blue, Pink
Models M2006C3LII SM-J250F, SM-J250G, SM-J250F, SM-J250M, SM-J250Y
SAR - 0.51 W/kg (head)     1.20 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 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 40, 41 1, 3, 5, 7, 8, 20, 38, 40 - Asia, Russia
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  - 1, 5, 8, 38, 40 - India
Platform
Chipset Mediatek MT6762G Helio G25 (12 nm) Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53) Quad-core 1.4 GHz Cortex-A53
GPU PowerVR GE8320 Adreno 308
OS Android 10, MIUI 12 Android 7.1 (Nougat), upgradable to Android 8.0 (Oreo)
Selfie camera
Features HDR LED flash
Single 5 MP, f/2.2, (wide), 1.12µm 5 MP, f/2.2
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes