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Samsung Galaxy A7 (2018)

Asus Zenfone 2 ZE551ML

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
3G Network	HSDPA 850 / 900 / 1900 / 2100 - A750F/DS, A750FN/DS	HSDPA 850 / 900 / 1900 / 2100
	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A750G	TD-SCDMA - China & India
4G Network	1, 3, 5, 7, 8, 20, 38, 40, 41 - A750F/DS, A750FN/DS	1, 2, 3, 4, 5, 8, 9, 18, 19, 28 - Taiwan
	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - A750G	1, 2, 3, 4, 5, 7, 8, 20 - Global
		1, 2, 3, 4, 5, 7, 8, 17, 20 - US
		1, 3, 38, 39, 40, 41 - China & India
Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Launch
Announced	2018, September 20	2015, January. Released 2015, March
Status	Available. Released 2018, October	Discontinued

Body
Dimensions	159.8 x 76.8 x 7.5 mm (6.29 x 3.02 x 0.30 in)	152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in)
Weight	168 g (5.93 oz)	170 g (6.00 oz)
Build	Glass front (Gorilla Glass 3), glass back, plastic frame	Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM	Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Micro-SIM, dual stand-by)

Display
Type	Super AMOLED	IPS LCD
Size	6.0 inches, 91.4 cm2 (~74.4% screen-to-body ratio)	5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio)
Resolution	1080 x 2220 pixels, 18.5:9 ratio (~411 ppi density)	1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass 3
	Always-on display

Platform
OS	Android 8.0 (Oreo), upgradable to Android 10, One UI 2.0	Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Chipset	Exynos 7885 (14 nm)	Intel Atom Z3580 (4 GB RAM model) Intel Atom Z3560 (2 GB RAM model)
CPU	Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)	Quad-core 2.3 GHz (4 GB RAM model) Quad-core 1.8 GHz (2 GB RAM model)
GPU	Mali-G71	PowerVR G6430

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM	16GB 2GB RAM, 32GB 2GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
	eMMC 5.1

Main Camera
Modules	24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF 8 MP, f/2.4, 18mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth)	13 MP, f/2.0, AF
Features	LED flash, panorama, HDR	Dual-LED dual-tone flash, panorama, HDR
Video	1080p@30fps (gyro-EIS), 1080p@240fps, 720p@960fps	1080p@30fps

Selfie Camera
Modules	24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm	5 MP, f/2.0
Features	HDR
Video	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, Wi-Fi Direct, hotspot
Bluetooth	5.0, A2DP, LE	4.0, A2DP, EDR
Positioning	GPS, GLONASS, BDS	GPS, GLONASS
NFC	Yes (market dependent)	Yes
Infrared port	No	No
Radio	FM radio	FM radio, RDS
USB	microUSB 2.0	microUSB 2.0, OTG

Features
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass	Accelerometer, gyro, proximity, compass
	ANT+ Samsung Pay

Battery
Type	Li-Po 3300 mAh, non-removable	Li-Po 3000 mAh, non-removable
Charging		18W wired, 60% in 40 min (advertised)

Misc
Colors	Black, blue, gold, pink	Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White
SAR EU	0.34 W/kg (head)     1.43 W/kg (body)	0.35 W/kg (head)
Models	SM-A750F, SM-A750FN, SM-A750G, SM-A750GN, SM-A750C, SM-A750X, SM-A750N	Z00AD, Z00A
Price	About 310 EUR	About 300 EUR

Tests
Performance	AnTuTu: 123883 (v7) GeekBench: 4446 (v4.4) GFXBench: 5.7fps (ES 3.1 onscreen)	Basemark OS II 2.0: 1090 Basemark X: 12565
Display	Contrast ratio: Infinite (nominal), 4.324 (sunlight)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	Voice 69dB / Noise 70dB / Ring 79dB	Voice 62dB / Noise 61dB / Ring 67dB
Audio quality	Noise -93.1dB / Crosstalk -92.5dB
Battery (old)	Endurance rating 93h	Endurance rating 59h