Product
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Xiaomi Redmi Note 4
Xiaomi Redmi Note 4
₹15,338
Battery
Charging 10W wired -
Music play Up to 60 h -
Stand-by Up to 264 h (3G) -
Type Li-Po 4000 mAh, non-removable Li-Po 4100 mAh, non-removable
Body
Build - Glass front, aluminum back, aluminum frame
Dimensions 150 x 76 x 8.7 mm (5.91 x 2.99 x 0.34 in) 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Nano-SIM + Micro-SIM
Weight 164 g (5.78 oz) 165 g (5.82 oz)
Comms
Bluetooth 4.1, A2DP, LE 4.1, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio Stereo FM radio, recording FM radio
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 a/b/g/n, Wi-Fi Direct
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 5.5 inches, 82.6 cm2 (~72.4% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2015, November. Released 2015, November 2017, January. Released 2017, January
Status Discontinued Discontinued
Main Camera
Features Dual-LED dual-tone flash, HDR, panorama Dual-LED dual-tone flash, panorama, HDR
Single 13 MP, f/2.2, PDAF 13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
Video 1080p@30fps 1080p@30fps, 720p@120fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 32GB 3GB RAM 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
  eMMC 5.0 eMMC 5.1
Misc
Colors Silver, Gray, Gold Dark Gray, Gold, Black, Lake Blue
Models - 2016100
SAR EU 0.33 W/kg (head)     0.72 W/kg (head)     0.67 W/kg (body)    
Network
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 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, 4, 5, 7, 8, 20, 38, 40
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  TD-SCDMA -
Our Tests
Audio quality Noise -94.2dB / Crosstalk -93.7dB Noise -94.6dB / Crosstalk -94.3dB
Battery (old) Endurance rating 72h Endurance rating 119h
Camera Photo / Video Photo / Video
Display Contrast ratio: 953 (nominal), 2.249 (sunlight) Contrast ratio: 1503:1 (nominal), 2.714 (sunlight)
Loudspeaker Voice 66dB / Noise 66dB / Ring 75dB Voice 67dB / Noise 70dB / Ring 81dB
Performance Basemark OS II 2.0: 1018Basemark X: 8540 GFXBench: 3.4fps (ES 3.1 onscreen)
Platform
Chipset Mediatek MT6795 Helio X10 (28 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Octa-core 2.0 GHz Cortex-A53 Octa-core 2.0 GHz Cortex-A53
GPU PowerVR G6200 Adreno 506
OS Android 5.0.2 (Lollipop), MIUI 7 Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 11
Selfie camera
Single 5 MP, f/2.0 5 MP, f/2.0
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  24-bit/192kHz audio 24-bit/192kHz audio
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