Compare specs

Network	Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
	3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
	4G Network	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 38(2600), 40(2300)	LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300)
	Speed	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps

Launch	Announced	2017, June	2017, January
	Status	Available. Released 2017, July	Available. Released 2017, January

Body	Dimensions	143.2 x 70.3 x 8.2 mm (5.64 x 2.77 x 0.32 in)	135.4 x 66.2 x 7.9 mm (5.33 x 2.61 x 0.31 in)
	Weight	142 g (5.01 oz)	138 g (4.87 oz)
	Build	Aluminum body	Front/back glass (Gorilla Glass 4), aluminum frame
	SIM	Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)	Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
			Samsung Pay IP68 dust/water proof (up to 1.5m for 30 mins)

Display	Type	PLS capacitive touchscreen, 16M colors	Super AMOLED capacitive touchscreen, 16M colors
	Size	5.0 inches, 68.9 cm2 (~68.5% screen-to-body ratio)	4.7 inches, 60.9 cm2 (~67.9% screen-to-body ratio)
	Resolution	720 x 1280 pixels, 16:9 ratio (~294 ppi density)	720 x 1280 pixels, 16:9 ratio (~312 ppi density)
	Protection		Corning Gorilla Glass 4
			Always-on display

Platform	OS	Android 7.0 (Nougat), 8.0 (Oreo), upgradable to Android 9.0 (Pie)	Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo)
	Chipset	Exynos 7570 Quad (14 nm)	Exynos 7870 Octa (14 nm)
	CPU	Quad-core 1.4 GHz Cortex-A53	Octa-core 1.6 GHz Cortex-A53
	GPU	Mali-T720 MP2	Mali-T830 MP1

Memory	Card slot	microSD, up to 256 GB (dedicated slot)	microSD, up to 256 GB (uses shared SIM slot) - dual SIM model only
	Internal	16GB 2GB RAM	16GB 2GB RAM

Main Camera	Modules	13 MP, f/1.9, AF	13 MP, f/1.9, 27mm (wide), AF
	Features	LED flash, HDR, panorama	LED flash, panorama
	Video	1080p@30fps	1080p@30fps

Selfie Camera	Modules	5 MP, f/2.2	8 MP, f/1.9, 24mm (wide)
	Features	LED flash
	Video

Sound	Loudspeaker	Yes	Yes
	3.5mm jack	Yes	Yes
		Active noise cancellation with dedicated mic	Active noise cancellation with dedicated mic

Comms	WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
	Bluetooth	4.2, A2DP, LE	4.2, A2DP, LE
	GPS	Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS
	NFC	Yes (optional)	Yes
	Infrared port	No	No
	Radio	FM radio	FM radio
	USB	microUSB 2.0, USB On-The-Go	2.0, Type-C 1.0 reversible connector

Features	Sensors	Accelerometer, proximity	Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
			ANT+

Battery		Non-removable Li-Ion 2400 mAh battery	Non-removable Li-Ion 2350 mAh battery
	Stand-by
	Talk time	Up to 15 h (3G)	Up to 17 h (3G)
	Music play	Up to 61 h	Up to 55 h

Misc
	Colors	White, Black, Gold, Blue	Black Sky, Gold Sand, Blue Mist, Peach Cloud
	SAR EU	0.66 W/kg (head)     1.32 W/kg (body)	0.35 W/kg (head)     1.38 W/kg (body)
	Price	About 110 EUR	About 220 EUR

Tests	Performance		Basemark OS II 2.0: 999 / Basemark X: 5160
	Display		Contrast ratio: Infinite (nominal), 3.688 (sunlight)
	Loudspeaker		Voice 66dB, noise 66dB, ring 75dB
	Audio quality		Noise -94.7dB / Crosstalk -92.3dB
	Battery life		93h endurance rating