Product
Xiaomi Redmi 9 (India)
Xiaomi Redmi 9 (India)
Samsung Galaxy J2 (2017)
Samsung Galaxy J2 (2017)
Battery
Charging 10W wired -
Music play - Up to 41 h
Talk time - Up to 12 h (3G)
Type Li-Po 5000 mAh Li-Ion 2000 mAh, removable
Body
Build - Glass front, plastic back, plastic frame
Dimensions 164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in) 136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in)
SIM Nano-SIM + Nano-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 194 g (6.84 oz) 130 g (4.59 oz)
  Water-repellent coating -
Comms
Bluetooth 5.0, A2DP, LE 4.1, A2DP
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS
Radio FM radio FM radio, RDS, recording
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
Resolution 720 x 1600 pixels, 20:9 ratio (~269 ppi density) 540 x 960 pixels, 16:9 ratio (~234 ppi density)
Size 6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~64.7% screen-to-body ratio)
Type IPS LCD, 400 nits (typ) Super AMOLED
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity Accelerometer, proximity
Launch
Announced 2020, August 27 2017, October. Released 2017, October
Status Available. Released 2020, August 31 Discontinued
Main Camera
Dual 13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (depth) -
Features LED flash, HDR LED flash
Single - 5 MP, f/2.2, AF
Video 1080p@30fps 720p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 8GB 1GB RAM
  eMMC 5.1 eMMC 4.5
Misc
Colors Black, Sky Blue, Sporty Orange Black, Gold
Models M2004C3MI SM-J200G, SM-J200BT
SAR 0.51 W/kg (head)     0.83 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 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 40, 41 1, 3, 5, 8, 20, 40
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Mediatek MT6765G Helio G35 (12 nm) Exynos 3475 Quad (28 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Quad-core 1.3 GHz Cortex-A7
GPU PowerVR GE8320 Mali-T720
OS Android 10, MIUI 12 Android 7.0 (Nougat)
Selfie camera
Features HDR -
Single 5 MP, f/2.2, (wide), 1.12µm 2 MP, f/2.2
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes