Product
Xiaomi Redmi Note 2
Xiaomi Redmi Note 2
Samsung Galaxy J2 Pro (2016)
Samsung Galaxy J2 Pro (2016)
Battery
Charging 10W wired -
Music play Up to 46 h Up to 54 h
Stand-by Up to 144 h (3G) -
Talk time Up to 11 h 30 min (3G) Up to 14 h (3G)
Type Li-Po 3060 mAh, removable Li-Ion 2600 mAh, removable
Body
Build Glass front, plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) 142.4 x 71.1 x 8 mm (5.61 x 2.80 x 0.31 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Dual SIM (Micro-SIM, dual stand-by)
Weight 160 g (5.64 oz) 138 g (4.87 oz)
Comms
Bluetooth 4.0, A2DP, LE 4.1, A2DP, LE
Infrared port Yes -
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS
Radio Stereo FM radio FM radio, RDS
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size 5.5 inches, 82.6 cm2 (~71.5% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~68.1% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, proximity
Launch
Announced 2015, August. Released 2015, August 2016, July. Released 2016, July
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Single 13 MP, f/2.2, PDAF 8 MP, f/2.2, AF
Video 1080p@30fps 720p@30fps
Memory
Card slot microSDXC (dedicated slot) - Chinese version only microSDXC (dedicated slot)
Internal 16GB 2GB RAM (Standard), 32GB 2GB RAM (Prime) 16GB 2GB RAM
  eMMC 5.0 -
Misc
Colors White, blue, yellow, pink, mint green Silver, Black, Gold
Models 2015051 SM-J210F, SM-J210G, SM-J210H, SM-J210GU
SAR 0.34 W/kg (head)     0.45 W/kg (body)     0.78 W/kg (head)    
SAR EU - 0.59 W/kg (head)     1.24 W/kg (body)    
Network
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
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, 20, 40 - India
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
  TD-SCDMA -
Our Tests
Audio quality Noise -96.1dB / Crosstalk -94.8dB -
Battery (old) Endurance rating 49h -
Camera Photo / Video -
Display Contrast ratio: 953 (nominal), 2.166 (sunlight) -
Loudspeaker Voice 66dB / Noise 66dB / Ring 76dB -
Performance Basemark OS II 2.0: 1063Basemark X: 8518 -
Platform
Chipset Mediatek MT6795 Helio X10 (28 nm) Spreadtrum SC8830
CPU Octa-core 2.0 GHz Cortex-A53 - Redmi Note 2Octa-core 2.2 GHz Cortex-A53 - Redmi Note 2 Prime Quad-core 1.5 GHz Cortex-A7
GPU PowerVR G6200 Mali-400MP2
OS Android 5.0 (Lollipop), MIUI 7 Android 6.0.1 (Marshmallow)
Selfie camera
Single 5 MP, f/2.0 5 MP, f/2.2
Video 720p
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes