Product
Xiaomi Redmi Note 7
Xiaomi Redmi Note 7
Samsung Galaxy J2 Pro (2016)
Samsung Galaxy J2 Pro (2016)
Battery
Charging 18W wired, QC4 -
Music play - Up to 54 h
Talk time - Up to 14 h (3G)
Type Li-Po 4000 mAh, non-removable Li-Ion 2600 mAh, removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame Glass front, plastic back, plastic frame
Dimensions 159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in) 142.4 x 71.1 x 8 mm (5.61 x 2.80 x 0.31 in)
SIM Nano-SIM + Nano-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 186 g (6.56 oz) 138 g (4.87 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.1, A2DP, LE
Infrared port Yes -
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS
Radio FM radio, recording FM radio, RDS
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 b/g/n, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size 6.3 inches, 97.4 cm2 (~81.4% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~68.1% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity
Launch
Announced 2019, January 10. Released 2019, February 28 2016, July. Released 2016, July
Status Discontinued Discontinued
Main Camera
Dual 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.2, (depth) or 12 MP, f/2.2, (wide), 1/2.9", 1.25µm, PDAF 2 MP, f/2.4, (depth) -
Features Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Single - 8 MP, f/2.2, AF
Video 1080p@30/60/120fps, (gyro-EIS) 720p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM 16GB 2GB RAM
  eMMC 5.1 -
Misc
Colors Blue, Black, Twilight Gold, White Silver, Black, Gold
Models M1901F7G, M1901F7H, M1901F7I SM-J210F, SM-J210G, SM-J210H, SM-J210GU
SAR 1.15 W/kg (head)     1.17 W/kg (body)     0.78 W/kg (head)    
SAR EU 0.59 W/kg (head)     1.27 W/kg (body)     0.59 W/kg (head)     1.24 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 - Global HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 - Global 1, 3, 5, 8, 20, 40 - India
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 3, 5, 7, 8, 34, 38, 39, 40, 41 -
Our Tests
Audio quality Noise -90.7dB / Crosstalk -94.5dB -
Battery (old) Endurance rating 108h -
Camera Photo / Video -
Display Contrast ratio: 1338:1 (nominal), 2.893 (sunlight) -
Loudspeaker Voice 69dB / Noise 71dB / Ring 90dB -
Performance AnTuTu: 139075 (v7) GeekBench: 5411 (v4.4) GFXBench: 7.7fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Spreadtrum SC8830
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Quad-core 1.5 GHz Cortex-A7
GPU Adreno 512 Mali-400MP2
OS Android 9.0 (Pie), planned upgrade to Android 10, MIUI 12 Android 6.0.1 (Marshmallow)
Selfie camera
Features HDR -
Single 13 MP, f/2.0, (wide), 1/3.1", 1.12µm 5 MP, f/2.2
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes