Compare specs

Network	Technology	GSM / CDMA / HSPA / LTE	GSM / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
		CDMA 800 & TD-SCDMA - China
	3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
		HSDPA 850 / 900 / 1900 / 2100 - China	HSDPA 850 / 900 / 2100
	4G bands	1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global	1, 2, 3, 4, 5, 7, 8, 20, 38, 40
		1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China	1, 3, 5, 8, 38, 40, 41
	Speed	HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 Mbps	HSPA 42.2/5.76 Mbps, LTE (4CA) Cat12 600/50 Mbps

Launch	Announced	2018, July 24. Released 2018, July	2019, August 29. Released 2019, October 16
	Status	Discontinued	Discontinued

Body	Dimensions	158.7 x 75.4 x 7.3 mm (6.25 x 2.97 x 0.29 in)	158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in)
	3D size compare	Size up
	Weight	166 g (5.86 oz)	190 (6.70 oz)
	Build	Glass front, aluminum back, aluminum frame	Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
	SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM

Display	Type	IPS LCD	IPS LCD
	Size	5.99 inches, 92.6 cm2 (~77.4% screen-to-body ratio)	6.3 inches, 97.4 cm2 (~81.7% screen-to-body ratio)
	Resolution	1080 x 2160 pixels, 18:9 ratio (~403 ppi density)	1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
	Protection		Corning Gorilla Glass 5

Platform	OS	Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), Android One	Android 9.0 (Pie), upgradable to Android 11, MIUI 12.5
	Chipset	Qualcomm SDM660 Snapdragon 660 (14 nm)	Qualcomm SDM665 Snapdragon 665 (11 nm)
	CPU	Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
	GPU	Adreno 512	Adreno 610

Memory	Card slot	No	microSDXC (dedicated slot)
	Internal	32GB 4GB RAM, 64GB 4GB RAM, 128GB 6GB RAM	32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
		eMMC 5.1	eMMC 5.1

Main Camera	Modules	12 MP, f/1.8, 1/2.9", 1.25µm 20 MP, f/1.8, 1/2.8", 1.0µm, PDAF	48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
	Features	Dual-LED flash, HDR, panorama	LED flash, HDR, panorama
	Video	4K@30fps, 1080p@30fps (gyro-EIS), 720p@120fps	4K@30fps, 1080p@30/60/120fps; gyro-EIS

Selfie Camera	Modules	20 MP, f/2.2, (wide), 1/3", 0.9µm	13 MP, f/2.0, (wide), 1/3.1", 1.12µm
	Features	LED flash, HDR	HDR, panorama
	Video	1080p@30fps	1080p@30fps

Sound	Loudspeaker	Yes	Yes
	3.5mm jack	No	Yes

Comms	WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
	Bluetooth	5.0, A2DP, LE	4.2, A2DP, LE
	Positioning	GPS, GLONASS, BDS	GPS, GLONASS, BDS
	NFC	No	No
	Infrared port	Yes	Yes
	Radio	No	FM radio
	USB	USB Type-C 2.0	USB Type-C 2.0, OTG

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

Battery	Type	Li-Po 3000 mAh, non-removable	Li-Po 4000 mAh, non-removable
	Charging	18W wired, QC3 (Global) 18W wired, QC4 (India)	18W wired

Misc
	Colors	Black, Gold, Blue, Red, Rose Gold	Neptune Blue, Moonlight White, Space Black, Nebula Purple, Cosmic Purple
	SAR	0.96 W/kg (head)     0.64 W/kg (body)	0.26 W/kg (head)     1.00 W/kg (body)
	SAR EU	1.16 W/kg (head)     0.66 W/kg (body)	0.19 W/kg (head)     1.09 W/kg (body)
	Models	M1804D2SG, M1804D2SI, Mi A2, Mi 6X	M1908C3JH, M1908C3JG, M1908C3JI
	Price	About 270 EUR	About 220 EUR

Tests	Performance	AnTuTu: 130927 (v7), 172886 (v8) GeekBench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen)	AnTuTu: 141915 (v7), 161572 (v8) GeekBench: 5590 (v4.4), 1339 (v5.1) GFXBench: 5.9fps (ES 3.1 onscreen)
	Display		Contrast ratio: 1521:1 (nominal)
	Camera	Compare PHOTO / Compare VIDEO
	Loudspeaker	Voice 89dB / Noise 72dB / Ring 89dB	Voice 78dB / Noise 72dB / Ring 81dB
	Audio quality		Noise -94.0dB / Crosstalk -93.3dB
	Battery (old)	Endurance rating 73h	Endurance rating 108h