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	Review Specs

Xiaomi Redmi Note 4 (MediaTek)

Network
Technology	GSM / CDMA / HSPA / LTE
2G bands	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
	CDMA 800 & TD-SCDMA
3G Network	HSDPA 850 / 900 / 1900 / 2100
4G Network	1, 3, 5, 7, 8, 38, 39, 40, 41
Speed	HSPA, LTE

Launch
Announced	2016, August. Released 2016, August
Status	Discontinued

Body
Dimensions	151 x 76 x 8.4 mm (5.94 x 2.99 x 0.33 in)
Weight	175 g (6.17 oz)
Build	Glass front, aluminum back, aluminum frame
SIM	Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)

Display
Type	IPS LCD
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), MIUI 10
Chipset	Mediatek MT6797 Helio X20 (20 nm)
CPU	Deca-core 2.1 GHz
GPU	Mali-T880 MP4

Memory
Card slot	microSDXC (uses shared SIM slot)
Internal	16GB 2GB RAM (Standard), 64GB 3GB RAM (High), 64GB 4GB RAM (Exclusive)

Main Camera
Modules	13 MP, f/2.0, PDAF
Features	Dual-LED dual-tone flash, HDR, panorama
Video	1080p@30fps, 720p@120fps

Selfie Camera
Modules	5 MP, f/2.0
Video	720p

Sound
Loudspeaker	Yes
3.5mm jack	Yes
	24-bit/192kHz audio

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth	4.2, A2DP, LE
Positioning	GPS, GLONASS, BDS
NFC	No
Infrared port	Yes
Radio	FM radio
USB	microUSB 2.0, OTG

Features
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery
Type	Li-Po 4100 mAh, non-removable

Misc
Colors	Silver, Gray, Gold, Blue, Black
Price	About 170 EUR

Tests
Performance	Basemark OS II 2.0: 1728 Basemark X: 13666
Display	Contrast ratio: 1158 (nominal), 2.145 (sunlight)
Loudspeaker	Voice 64dB / Noise 67dB / Ring 76dB
Battery (old)	Endurance rating 83h