Compare specs

Network	Technology	GSM / CDMA / HSPA / LTE	GSM / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
		CDMA 800 & TD-SCDMA
	3G bands	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
	4G bands	1, 3, 5, 7, 8, 34, 38, 39, 40, 41	1, 3, 5, 7, 8, 38, 39, 40, 41
	Speed	HSPA, LTE	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps

Launch	Announced	2017, November. Released 2017, December	2017, May. Released 2017, May
	Status	Discontinued	Discontinued

Body	Dimensions	140.4 x 70.1 x 8.4 mm (5.53 x 2.76 x 0.33 in)	139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)
	3D size compare	Size up
	Weight	137 g (4.83 oz)	150 g (5.29 oz)
	Build	Glass front, aluminum back, aluminum frame	Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
	SIM	Nano-SIM + Nano-SIM	Nano-SIM + Micro-SIM

Display	Type	IPS LCD	IPS LCD
	Size	5.0 inches, 68.0 cm2 (~69.1% screen-to-body ratio)	5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio)
	Resolution	720 x 1280 pixels, 16:9 ratio (~296 ppi density)	720 x 1280 pixels, 16:9 ratio (~294 ppi density)
	Protection		Corning Gorilla Glass (unspecified version)

Platform	OS	Android 7.1.2 (Nougat), upgradable to Android 8.1, MIUI 12	Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11
	Chipset	Qualcomm MSM8917 Snapdragon 425 (28 nm)	Qualcomm MSM8940 Snapdragon 435 (28 nm)
	CPU	Quad-core 1.4 GHz Cortex-A53	Octa-core 1.4 GHz Cortex-A53
	GPU	Adreno 308	Adreno 505

Memory	Card slot	microSDXC (dedicated slot)	microSDXC (uses shared SIM slot)
	Internal	16GB 2GB RAM, 32GB 3GB RAM	16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
		eMMC 5.1	eMMC 5.1

Main Camera	Modules	13 MP, f/2.2, PDAF	13 MP, f/2.0, PDAF
	Features	LED flash, HDR, panorama	LED flash, HDR, panorama
	Video	1080p@30fps	1080p@30fps

Selfie Camera	Modules	5 MP, f/2.0	5 MP, f/2.2
	Video		1080p@30fps

Sound	Loudspeaker	Yes	Yes
	3.5mm jack	Yes	Yes

Comms	WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct	Wi-Fi 802.11 b/g/n, Wi-Fi Direct
	Bluetooth	4.1, A2DP, LE	4.2, A2DP, LE
	Positioning	GPS, GLONASS, BDS	GPS, GLONASS, BDS
	NFC	No	No
	Infrared port	Yes	Yes
	Radio	FM radio	FM radio
	USB	microUSB 2.0	microUSB 2.0

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

Battery	Type	Li-Ion 3000 mAh, non-removable	Li-Po 4100 mAh, non-removable
	Stand-by		Up to 432 h (3G)
	Talk time		Up to 36 h (3G)
	Music play		Up to 87 h

Misc
	Colors	Gold, Dark Gray, Rose Gold, Blue	Black, Gold
	SAR	0.53 W/kg (head)     1.23 W/kg (body)	0.77 W/kg (head)     0.83 W/kg (body)
	Models	MCG3B, MCI3B	2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X
	Price	About 100 EUR	About 110 EUR

Tests	Performance		GeekBench: 1819 (v4.4) GFXBench: 5.1fps (ES 3.1 onscreen)
	Display		Contrast ratio: 915 (nominal), 2.920 (sunlight)
	Loudspeaker		Voice 64dB / Noise 70dB / Ring 72dB
	Audio quality		Noise -94.3dB / Crosstalk -94dB
	Battery (old)		Endurance rating 80h