Xiaomi Redmi Note 4
General Information
- Colors:
- Dark Gray, Gold, Black, Lake Blue (64/4GB model)
- SAR:
- 0.72 W/kg (head) 0.67 W/kg (body)
- Price:
- £ 359.99 / ₹ 8,999
Network/Bearer
- Technology:
- GSM / HSPA / LTE
- 2G bands:
- GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
- 3G bands:
- HSDPA 850 / 900 / 1900 / 2100
- 4G bands:
- LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300)
- Speed:
- HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
Launch
- Status:
- Available. Released 2017, January
Physical Specifications
- Dimensions:
- 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
- Build:
- Front glass, aluminum body
- SIM:
- Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Display
- Type:
- IPS LCD capacitive touchscreen, 16M colors
- Size:
- 5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
- Resolution:
- 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Platform
- OS:
- Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat); MIUI 10
- Chipset:
- Qualcomm MSM8953 Snapdragon 625 (14 nm)
- CPU:
- Octa-core 2.0 GHz Cortex-A53
Memory
- Card slot:
- microSD, up to 256 GB (uses shared SIM slot)
- Internal:
- 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Main Camera
- Features:
- Dual-LED dual-tone flash, panorama, HDR
- Video:
- 1080p@30fps, 720p@120fps
Sound
- 3.5mm jack:
- Yes, 24-bit/192kHz audio, Active noise cancellation with dedicated mic
Connectivity
- WLAN:
- Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot
- GPS:
- Yes, with A-GPS, GLONASS, BDS
- USB:
- microUSB 2.0, USB On-The-Go
Features
- Sensors:
- Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
- Messaging:
- SMS(threaded view), MMS, Email, Push Email, IM
Battery
- Browser:
- HTML5, Non-removable Li-Po 4100 mAh battery
Tests
- Performance:
- Basemark OS II: 1290 / Basemark OS II 2.0: 1050Basemark X: 10446
- Display:
- Contrast ratio: 1503:1 (nominal), 2.714 (sunlight)
- Loudspeaker:
- Voice 67dB / Noise 70dB / Ring 81dB
- Audio quality:
- Noise -94.6dB / Crosstalk -94.3dB
- Battery life:
- Endurance rating 119h