Compare

	Compare with Asus Zenfone 2 ZE551ML	Compare with Samsung Galaxy A7 (2018)
Full Differences Change compare mode	Review Specs	Review Specs

Asus Zenfone 2 ZE551ML

Samsung Galaxy A7 (2018)

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

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

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

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

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

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

Main Camera
Modules	13 MP, f/2.0, AF	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)
Features	Dual-LED dual-tone flash, panorama, HDR	LED flash, panorama, HDR
Video	1080p@30fps	1080p@30fps (gyro-EIS), 1080p@240fps, 720p@960fps

Selfie Camera
Modules	5 MP, f/2.0	24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
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, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth	4.0, A2DP, EDR	5.0, A2DP, LE
Positioning	GPS, GLONASS	GPS, GLONASS, BDS
NFC	Yes	Yes (market dependent)
Infrared port	No	No
Radio	FM radio, RDS	FM radio
USB	microUSB 2.0, OTG	microUSB 2.0

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

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

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

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