Oppo A3s vs Oppo A71 vs Oppo A57 vs Oppo F1s comparison

Show Only Differences Highlight Differences	Oppo A3s	Oppo A71	Oppo A57	Oppo F1s
key specs
Display	6.20-inch	5.20-inch	5.20-inch	5.50-inch
Processor	Qualcomm Snapdragon 450	MediaTek MT6750	Qualcomm Snapdragon 435	MediaTek MT6750
Front Camera	8-megapixel	5-megapixel	16-megapixel	16-megapixel
Rear Camera	13-megapixel + 2-megapixel	13-megapixel	13-megapixel	13-megapixel
RAM	2GB	3GB	3GB	3GB
Storage	16GB	16GB	32GB	32GB
Battery Capacity	4230mAh	3000mAh	2900mAh	3075mAh
OS	Android 8.1 Oreo	Android 7.1	Android 6.0	Android 5.1
Resolution	720x1520 pixels	720x1280 pixels	720x1280 pixels	720x1280 pixels
general
Brand	Oppo	Oppo	Oppo	Oppo
Model	A3s	A71	A57	F1s
Form factor	Touchscreen	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	156.20 x 75.60 x 8.20	148.10 x 73.80 x 7.60	149.10 x 72.90 x 7.65	154.50 x 76.00 x 7.38
Weight (g)	168.00	137.00	147.00	160.00
Battery capacity (mAh)	4230	3000	2900	3075
Colours	Red, Dark Purple	Gold, Black	Rose Gold, Gold	Gold, Rose Gold, Grey
Release date	-	September 1, 2017	November 1, 2016	August 1, 2016
Launched in India	-	Yes	Yes	Yes
Removable battery	-	No	No	No
SAR value	-	-	1.31	-
display
Screen size (inches)	6.20	5.20	5.20	5.50
Touchscreen	Yes	Yes	Yes	Yes
Resolution	720x1520 pixels	720x1280 pixels	720x1280 pixels	720x1280 pixels
Aspect ratio	19:9	16:9	16:9	16:9
Pixels per inch (PPI)	-	282	-	-
hardware
Processor	1.8GHz octa-core	octa-core (4x1.5GHz + 4x1GHz)	1.4GHz octa-core	1.5GHz octa-core
Processor make	Qualcomm Snapdragon 450	MediaTek MT6750	Qualcomm Snapdragon 435	MediaTek MT6750
RAM	2GB	3GB	3GB	3GB
Internal storage	16GB	16GB	32GB	32GB
Expandable storage	Yes	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD	microSD
Expandable storage up to (GB)	256	256	256	128
camera
Rear camera	13-megapixel (f/2.2) + 2-megapixel (f/2.4)	13-megapixel (f/2.2)	13-megapixel (f/2.2)	13-megapixel (f/2.2)
Rear autofocus	Yes	Phase detection autofocus	Phase detection autofocus	Phase detection autofocus
Rear flash	LED	LED	LED	Dual LED
Front camera	8-megapixel (f/2.2)	5-megapixel (f/2.4)	16-megapixel (f/2.0, 1.12-micron)	16-megapixel (f/2.0)
Front autofocus	-	-	Yes	-
software
Operating system	Android 8.1 Oreo	Android 7.1	Android 6.0	Android 5.1
Skin	ColorOS 5.1	Color OS	ColorOS 3.0	ColorOS 3.0
connectivity
Wi-Fi	Yes	Yes	Yes	Yes
GPS	Yes	Yes	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 4.00	Yes, v 4.10	Yes, v 4.00
Micro-USB	Yes	Yes	Yes	Yes
Headphones	3.5mm	3.5mm	3.5mm	3.5mm
Wi-Fi Direct	Yes	No	No	No
Wi-Fi standards supported	-	802.11 b/g/n	802.11 b/g/n	802.11 b/g/n
NFC	-	No	No	No
Infrared	-	No	No	No
USB OTG	-	Yes	Yes	Yes
FM	-	Yes	Yes	Yes
Number of SIMs	-	2	2	2
Mobile High-Definition Link (MHL)	-	No	No	No
sensors
Compass/ Magnetometer	Yes	Yes	Yes	Yes
Proximity sensor	Yes	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes	Yes
Ambient light sensor	-	Yes	Yes	Yes
Gyroscope	-	No	Yes	No
Barometer	-	No	No	No
Temperature sensor	-	No	No	No
Fingerprint sensor	-	-	Yes	Yes
sim 1
SIM Type	-	Nano-SIM	Nano-SIM	Nano-SIM
GSM/CDMA	-	GSM	GSM	GSM
3G	-	Yes	Yes	Yes
4G/ LTE	-	Yes	Yes	Yes
sim 2
SIM Type	-	Nano-SIM	Nano-SIM	Nano-SIM
GSM/CDMA	-	GSM	GSM	GSM
3G	-	Yes	Yes	Yes
4G/ LTE	-	Yes	Yes	Yes
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	-	-

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