Compare specs

Network	Technology	GSM / HSPA / LTE	GSM / CDMA / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - all models
			CDMA 800 / 1900 - American model
	3G bands	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1700 / 1900 / 2100 - American model
			HSDPA 850 / 900 / 1900 / 2100 - Asian model
			HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - Global model
	4G bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 21, 26, 28, 32, 38, 39, 40, 41	1, 2, 3, 4, 5, 7, 12, 13, 17, 20, 25, 26, 29 - American model
			1, 3, 4, 8, 26, 38, 40, 41 - Asian model
			1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 26, 28, 38, 40, 41 - Global model
	Speed	HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps or LTE-A (3CA) Cat11 600/75 Mbps	HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps

Launch	Announced	2016, October 04. Released 2016, October 20	2015, September. Released 2015, October
	Status	Discontinued	Discontinued

Body	Dimensions	143.8 x 69.5 x 8.5 mm (5.66 x 2.74 x 0.33 in)	147 x 72.6 x 7.9 mm (5.79 x 2.86 x 0.31 in)
	Weight	143 g (5.04 oz)	136 g (4.80 oz)
	Build	Glass front (Gorilla Glass 4), aluminum/glass back, aluminum frame	Glass front (Gorilla Glass 3), plastic back, plastic frame
	SIM	Nano-SIM	Nano-SIM
		Water-repellent coating

Display	Type	AMOLED	IPS LCD
	Size	5.0 inches, 68.9 cm2 (~69.0% screen-to-body ratio)	5.2 inches, 74.9 cm2 (~70.2% screen-to-body ratio)
	Resolution	1080 x 1920 pixels, 16:9 ratio (~441 ppi density)	1080 x 1920 pixels, 16:9 ratio (~423 ppi density)
	Protection	Corning Gorilla Glass 4	Corning Gorilla Glass 3, oleophobic coating

Platform	OS	Android 7.1 (Nougat), upgradable to Android 10	Android 6.0 (Marshmallow), upgradable to Android 8.0 (Oreo)
	Chipset	Qualcomm MSM8996 Snapdragon 821 (14 nm)	Qualcomm MSM8992 Snapdragon 808 (20 nm)
	CPU	Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)	Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57)
	GPU	Adreno 530	Adreno 418

Memory	Card slot	No	No
	Internal	32GB 4GB RAM, 128GB 4GB RAM	16GB 2GB RAM, 32GB 2GB RAM
		UFS 2.0	eMMC 5.0

Main Camera	Modules	12.3 MP, f/2.0, 1/2.3", 1.55µm, PDAF, Laser AF	12.3 MP, f/2.0, 26mm (wide), 1/2.3", 1.55µm, Laser AF
	Features	Dual-LED flash, HDR, panorama	Dual-LED dual-tone flash, HDR, panorama
	Video	4K@30fps, 1080p@60/120fps, 1080p@30fps (gyro-EIS), 720p@240fps	4K@30fps, 1080p@30fps, 720p@120fps, HDR

Selfie Camera	Modules	8 MP, f/2.4, 1/3.2", 1.4µm	5 MP, f/2.0, 1/4", 1.4µm
	Features		HDR
	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, DLNA, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
	Bluetooth	4.2, A2DP, LE, aptX	4.2, A2DP
	GPS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
	NFC	Yes	Yes
	Infrared port	No	No
	Radio	No	No
	USB	USB Type-C 3.0	USB Type-C 2.0

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

Battery	Type	Li-Ion 2770 mAh, non-removable	Li-Po 2700 mAh, non-removable
	Charging	Fast charging 18W USB Power Delivery
	Stand-by	Up to 456 h (3G)
	Talk time	Up to 26 h (3G)
	Music play	Up to 110 h

Misc
	Colors	Quite Black, Very Silver, Really Blue	Carbon, Quartz, Ice
	SAR	0.92 W/kg (head)     0.58 W/kg (body)
	SAR EU	0.33 W/kg (head)     0.61 W/kg (body)
	Models		Nexus 5X, H791
	Price	About 290 EUR	About 270 EUR

Tests	Performance	Basemark OS II 2.0: 2461 Basemark X: 33023	Basemark OS II 2.0: 1591 Basemark X: 16609
	Display	Contrast ratio: ∞	Contrast ratio: 1542 (nominal), 3.092 (sunlight)
	Loudspeaker	Voice 74dB / Noise 68dB / Ring 78dB	Voice 61dB / Noise 65dB / Ring 61dB
	Audio quality	Noise -93.0dB / Crosstalk -92.6dB	Noise -92.2dB / Crosstalk -90.9dB
	Battery life	64h endurance rating	60h endurance rating