Samsung Galaxy A7 vs Samsung Galaxy A8 vs Samsung Galaxy S7 mini

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
Expected Announcement - December 2014	July 2015	Not announced yet
Status
Rumored - January 2015	Available - August 2015	Rumored
Price
Rs. 19,499 ($286.75) [Similarly Priced]	Rs. 26,990 ($396.91) [Similarly Priced]	-
Colors
Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B	Pearl White, Midnight Black, Champagne Gold	Black, White, Gold, Silver
Form Factor
Candybar	Candybar	Candybar
Dimension
150.9 x 75.9 x 6.3 mm (5.94 x 2.99 x 0.25 in)	158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in)	9.9 mm thickness (0.39 in thickness)
Weight
133 g (4.69 oz)	151 g (5.33 oz)	-
2G Network
GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional)	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	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE	LTE	LTE
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM
Build Features
-	- Fingerprint sensor	- Fingerprint Sensor - Corning Gorilla Glass 4 Back Panel - Samsung Pay (Visa, MasterCard certified) - IP68 certified - dust proof and water resistant over 1.5 meter and 30 minutes

OS
Android OS, v4.4.4 (KitKat)	Android OS, v5.1 (Lollipop)	Android OS, v6.0 (Marshmallow)
Processor
Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615	Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615	Dual-core 2.15 GHz Kryo & dual-core 1.6 GHz Kryo Quad-core 2.3 GHz Mongoose + quad-core 1.6 GHz Cortex-A53, Qualcomm MSM8996 Snapdragon 820 Exynos 8890 Octa
GPU
Adreno 405	Adreno 405	Adreno 530 Mali-T880 MP12
RAM
2 GB	2 GB	3 GB
Internal Memory
16 GB	16/32 GB	32/64 GB
External Memory
microSD, up to 64 GB	microSD, up to 128 GB (uses SIM 2 slot)	microSD, up to 200 GB

Type
Super AMOLED capacitive touchscreen	Super AMOLED capacitive touchscreen	Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4
Colors
16M colors	16M colors	16M colors
Size
5.5 inches	5.7 inches	4.6 inches
Resolution
1080 x 1920 pixels (401 ppi)	1080 x 1920 pixels (386 ppi)	1080 x 1920 pixels (479 ppi)
Screen-to-Body Ratio
72.64%	73.99%	-
Multi-Touch

Rear Camera
12 MP, 4608 x 2592 pixels	16 MP, 5312 x 2988 pixels	12 MP, 4608 x 2592 pixels
Flash
LED flash	LED flash	LED Flash
Features
Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR	Phase Detection Autofocus, f/1.7, 26mm, 1/2.6" Sensor Size, 1.4 µm Pixel Size, Geo-tagging, Simultaneous 4K video and 9MP Image Recording, Touch Focus, Face/Smile Detection, Auto HDR, Panorama
Video
1080p@30fps	1080p@30fps	2160p@30fps, 1080p@60fps, 720p@240fps, HDR, dual-video rec.
Front Camera
5 MP	5 MP, 1080p	5 MP, f/1.7, 22mm, dual video call, Auto HDR

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
v4.0, A2DP, EDR, LE	v4.1, A2DP, EDR, LE	v4.2, A2DP, LE, apt-X
Wi-Fi
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB
microUSB v2.0	microUSB v2.0	microUSB v2.0, USB Host
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS/ Beidou (market dependant)	Yes, with A-GPS, GLONASS, BDS
Browser
HTML5	HTML5	HTML5