Home
Mobiles
Phone Finder
Compare Mobile Phones
Oppo A3s vs Asus ZenFone 3 Max (ZC553KL) vs Oppo R9 vs Xiaomi Mi 4i

Oppo A3s vs Asus ZenFone 3 Max (ZC553KL) vs Oppo R9 vs Xiaomi Mi 4i comparison

Show Only Differences Highlight Differences	Oppo A3s	Asus ZenFone 3 Max (ZC553KL)	Oppo R9	Xiaomi Mi 4i
key specs
Display	6.20-inch	5.50-inch	5.50-inch	5.00-inch
Processor	Qualcomm Snapdragon 450	Qualcomm Snapdragon 430	MediaTek Helio P10	Qualcomm Snapdragon 615
Front Camera	8-megapixel	8-megapixel	16-megapixel	5-megapixel
Rear Camera	13-megapixel + 2-megapixel	16-megapixel	13-megapixel	13-megapixel
RAM	2GB	3GB	4GB	2GB
Storage	16GB	32GB	64GB	16GB
Battery Capacity	4230mAh	4100mAh	2850mAh	3120mAh
OS	Android 8.1 Oreo	Android 6.0.1	Android 5.1	Android 5.0.2
Resolution	720x1520 pixels	1080x1920 pixels	1080x1920 pixels	1080x1920 pixels
general
Brand	Oppo	Asus	Oppo	Xiaomi
Model	A3s	ZenFone 3 Max (ZC553KL)	R9	Mi 4i
Form factor	Touchscreen	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	156.20 x 75.60 x 8.20	151.40 x 76.24 x 8.30	151.80 x 74.30 x 6.60	138.10 x 69.60 x 7.80
Weight (g)	168.00	175.00	145.00	130.00
Battery capacity (mAh)	4230	4100	2850	3120
Colours	Red, Dark Purple	Titanium Gray, Glacier Silver, Sand Gold	-	Black, White, Orange, Light Blue, and Pink
Release date	-	November 1, 2016	March 1, 2016	April 1, 2015
Removable battery	-	No	No	No
SAR value	-	0.42	-	-
display
Screen size (inches)	6.20	5.50	5.50	5.00
Touchscreen	Yes	Yes	Yes	Yes
Resolution	720x1520 pixels	1080x1920 pixels	1080x1920 pixels	1080x1920 pixels
Aspect ratio	19:9	-	-	-
Pixels per inch (PPI)	-	-	401	441
hardware
Processor	1.8GHz octa-core	1.4GHz octa-core	2GHz octa-core	1.7GHz octa-core
Processor make	Qualcomm Snapdragon 450	Qualcomm Snapdragon 430	MediaTek Helio P10 (MT6755)	Qualcomm Snapdragon 615
RAM	2GB	3GB	4GB	2GB
Internal storage	16GB	32GB	64GB	16GB
Expandable storage	Yes	Yes	Yes	No
Expandable storage type	microSD	SD card	microSD	-
Expandable storage up to (GB)	256	128	128	-
camera
Rear camera	13-megapixel (f/2.2) + 2-megapixel (f/2.4)	16-megapixel	13-megapixel	13-megapixel
Rear autofocus	Yes	-	-	-
Rear flash	LED	Dual LED	LED	Dual LED
Front camera	8-megapixel (f/2.2)	8-megapixel	16-megapixel	5-megapixel
software
Operating system	Android 8.1 Oreo	Android 6.0.1	Android 5.1	Android 5.0.2
Skin	ColorOS 5.1	ZenUI 3.0	ColorOS 3.0	MIUI 6
connectivity
Wi-Fi	Yes	Yes	Yes	Yes
GPS	Yes	Yes	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 4.10	Yes	Yes, v 4.10
Micro-USB	Yes	-	-	-
Headphones	3.5mm	3.5mm	3.5mm	3.5mm
Wi-Fi Direct	Yes	No	No	Yes
Wi-Fi standards supported	-	802.11 b/g/n	-	802.11 b/g/n/ac
NFC	-	No	No	No
Infrared	-	No	No	No
USB OTG	-	Yes	Yes	Yes
FM	-	Yes	No	Yes
Number of SIMs	-	2	2	2
Mobile High-Definition Link (MHL)	-	No	No	No
sensors
Compass/ Magnetometer	Yes	Yes	No	Yes
Proximity sensor	Yes	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes	Yes
Ambient light sensor	-	Yes	Yes	Yes
Gyroscope	-	Yes	Yes	Yes
Barometer	-	No	No	No
Temperature sensor	-	No	No	No
ratings
Overall NDTV Rating	-	Read Review	-	Read Review
Design Rating	-		-
Display Rating	-		-
Software Rating	-		-
Performance Rating	-		-
Battery Life Rating	-		-
Camera Rating	-		-
Value for Money Rating	-		-
sim 1
SIM Type	-	Micro-SIM	Micro-SIM	Micro-SIM
GSM/CDMA	-	GSM	GSM	GSM
3G	-	Yes	Yes	Yes
4G/ LTE	-	Yes	Yes	Yes
sim 2
SIM Type	-	Nano-SIM	Micro-SIM	Micro-SIM
GSM/CDMA	-	GSM	GSM	GSM
3G	-	Yes	Yes	Yes
4G/ LTE	-	Yes	Yes	Yes

Related Comparisons

Popular Mobile Brands