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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 / 1900 / 2100 - Version 2	HSDPA 850 / 900 / 2100
		HSDPA 850 / 900 / 2100 - Version 1
	4G bands	1, 3, 5, 7, 8, 38, 39, 40, 41 - Version 1	1, 3, 5, 8, 38, 40, 41
		1, 2, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41 - Version 2
	Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps

Launch	Announced	2017, October	2018, March
	Status	Available. Released 2017, November	Available. Released 2018, April

Body	Dimensions	156.5 x 76 x 7.5 mm (6.16 x 2.99 x 0.30 in)	156 x 75.3 x 7.8 mm (6.14 x 2.96 x 0.31 in)
	Weight	152 g (5.36 oz)	158 g (5.57 oz)
	Build	Glass front (Gorilla Glass 5), plastic back, plastic frame	Glass front (Gorilla Glass 5), 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	6.0 inches, 92.9 cm2 (~78.1% screen-to-body ratio)	6.23 inches, 96.9 cm2 (~82.5% screen-to-body ratio)
	Resolution	1080 x 2160 pixels, 18:9 ratio (~402 ppi density)	1080 x 2280 pixels, 19:9 ratio (~405 ppi density)
	Protection	Corning Gorilla Glass 5	Corning Gorilla Glass 5

Platform	OS	Android 7.1.1 (Nougat), ColorOS 3.2	Android 8.1 (Oreo), ColorOS 5
	Chipset	Mediatek MT6763T Helio P23 (16 nm)	Mediatek MT6771 Helio P60 (12 nm)
	CPU	Octa-core 2.5 GHz Cortex-A53	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
	GPU	Mali-G71 MP2	Mali-G72 MP3

Memory	Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
	Internal	32GB 4GB RAM, 64GB 6GB RAM	64GB 4GB RAM, 128GB 6GB RAM
		eMMC 5.1	eMMC 5.1

Main Camera	Modules	16 MP, f/1.8, PDAF	16 MP, f/1.8, PDAF
	Features	LED flash, HDR, panorama	LED flash, HDR, panorama
	Video	1080p@30fps	1080p@30fps

Selfie Camera	Modules	20 MP, f/2.0, (wide), 1/2.8", 1.0µm	25 MP, f/2.0, 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, 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
	NFC	No	No
	Infrared port	No	No
	Radio	No	FM radio
	USB	microUSB 2.0, OTG	microUSB 2.0, OTG

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

Battery	Type	Li-Ion 3200 mAh, non-removable	Li-Ion 3400 mAh, non-removable

Misc
	Colors	Black, Gold, Red	Solar Red, Diamond Black, Moonlight Silver
	Models	CPH1723, CPH1727, CHP1723, CHP1727	CPH1819, CPH1821, 1821, CPH1821EX
	Price	About 320 EUR	About 270 EUR

Tests	Performance	GFXBench: 4fps (ES 3.1 onscreen)	AnTuTu: 139414 (v7) GeekBench: 5901 (v4.4) GFXBench: 6.7fps (ES 3.1 onscreen)
	Display	Contrast ratio: 2198 (nominal), 2.653 (sunlight)	Contrast ratio: 1956:1 (nominal), 3.333 (sunlight)
	Camera	Compare PHOTO / Compare VIDEO
	Loudspeaker	Voice 63dB / Noise 70dB / Ring 71dB	Voice 68dB / Noise 73dB / Ring 84dB
	Audio quality	Noise -93.5dB / Crosstalk -93.2dB	Noise -92.5dB / Crosstalk -91.2dB
	Battery (old)	Endurance rating 91h	Endurance rating 91h