Compare specs

Network	Technology	GSM / 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
	3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1900 / 2100
	4G bands	1, 3, 5, 8, 38, 40, 41	1, 3, 5, 8, 38, 40, 41
	Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps

Launch	Announced	2018, March	2018, March
	Status	Available. Released 2018, April	Available. Released 2018, April

Body	Dimensions	156 x 75.3 x 7.8 mm (6.14 x 2.96 x 0.31 in)	154.8 x 75.1 x 7.9 mm (6.09 x 2.96 x 0.31 in)
	Weight	158 g (5.57 oz)	150 g (5.29 oz)
	Build	Glass front (Gorilla Glass 5), plastic back, plastic frame	Glass front, plastic back, plastic frame
	SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)

Display	Type	IPS LCD	IPS LCD
	Size	6.23 inches, 96.9 cm2 (~82.5% screen-to-body ratio)	6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio)
	Resolution	1080 x 2280 pixels, 19:9 ratio (~405 ppi density)	1080 x 2280 pixels, 19:9 ratio (~400 ppi density)
	Protection	Corning Gorilla Glass 5

Platform	OS	Android 8.1 (Oreo), ColorOS 5	Android 8.1 (Oreo), Funtouch 4
	Chipset	Mediatek MT6771 Helio P60 (12 nm)	Qualcomm MSM8953-Pro Snapdragon 626 (14 nm)
	CPU	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)	Octa-core 2.2 GHz Cortex-A53
	GPU	Mali-G72 MP3	Adreno 506

Memory	Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
	Internal	64GB 4GB RAM, 128GB 6GB RAM	64GB 4GB RAM
		eMMC 5.1	eMMC 5.1

Main Camera	Modules	16 MP, f/1.8, PDAF	16 MP, f/2.0, PDAF 5 MP, f/2.4, (depth)
	Features	LED flash, HDR, panorama	Dual-LED flash, HDR, panorama
	Video	1080p@30fps	4K@30fps, 1080p@30fps

Selfie Camera	Modules	25 MP, f/2.0, 1/2.8", 0.9µm	24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
	Video	1080p@30fps	1080p@30fps

Sound	Loudspeaker	Yes	Yes
	3.5mm jack	Yes	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	4.2, A2DP, LE	4.2, A2DP, LE
	Positioning	GPS	GPS, GLONASS, BDS
	NFC	No	No
	Infrared port	No	No
	Radio	FM radio	FM radio, recording
	USB	microUSB 2.0, OTG	microUSB 2.0, OTG

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

Battery	Type	Li-Ion 3400 mAh, non-removable	Li-Ion 3260 mAh, non-removable

Misc
	Colors	Solar Red, Diamond Black, Moonlight Silver	Gold, Black, Sapphire Blue
	Models	CPH1819, CPH1821, 1821, CPH1821EX	1723
	Price	About 270 EUR	About 390 EUR

Tests	Performance	AnTuTu: 139414 (v7) GeekBench: 5901 (v4.4) GFXBench: 6.7fps (ES 3.1 onscreen)
	Display	Contrast ratio: 1956:1 (nominal), 3.333 (sunlight)
	Loudspeaker	Voice 68dB / Noise 73dB / Ring 84dB
	Audio quality	Noise -92.5dB / Crosstalk -91.2dB
	Battery (old)	Endurance rating 91h