Oppo A9 (2020) vs Oppo A91
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
CPH1937, CPH1939
PCPM00
Announced
2019, September
2019, December
Released
2019, September
2019, December
Status
Available
Available
Design
Type
Bar
Bar
Dimensions
163.6 x 75.6 x 9.1 mm (6.44 x 2.98 x 0.36 in)
7.9 mm thickness
Weight
195 g (6.88 oz)
172 g (6.07 oz)
Colors
Marine Green, Space Purple
Dark Blue, Red, Blue
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G Network
HSDPA 850 / 900 / 2100
HSDPA 850 / 1700(AWS) / 1900 / 2100
4G Network
LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)
LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
SIM
Nano SIM
Nano SIM
Dual SIM
Yes, Dual SIM (Nano-SIM, dual stand-by)
Yes, Dual SIM (Nano-SIM, dual stand-by)
Display
Display Type
IPS LCD
AMOLED
Size
6.5 inches, 102.0 cm2 (~82.5% screen-to-body ratio)
6.4 inches, 98.9 cm2
Resolution
720 x 1600 pixels
1080 x 2400 pixels
Display Colors
16M colors
16M colors
Pixel Density
270 ppi density
411 ppi density
Touch Screen
Yes, Capacitive Touchscreen
Capacitive Touchscreen
Media
FM Radio
Yes
Yes
Earphone Jack
Yes
Yes
Camera
Camera Set
Quad Cameras
Quad Cameras
Main Camera
48 MP, f/1.8, (wide), 1/2.3", 0.8µm, PDAF
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
2nd Camera
8 MP, f/2.3, 13mm (ultrawide), 1/4", 1.12µm, AF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
3rd Camera
2 MP, f/2.4, 1/5", 1.75µm
2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera)
4th Camera
2 MP, f/2.4, 1/5", 1.75µm, depth sensor
2 MP, f/2.4, 1/5", 1.75µm, depth sensor
Camera Video
2160p@30fps, 1080p@30fps, gyro-EIS
2160p@30fps, 1080p@30fps
Features
Panorama, HDR
HDR, panorama
Flash
Dual-LED dual-tone flash
LED Flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
16 MP, f/2.0, 1/3.1", 1.0µm
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm
Selfie Video
1080p@30fps
1080p@30fps
Features
HDR
HDR
Software
OS
Android 9.0 (Pie)
Android 9.0 (Pie)
User Interface
ColorOS 6.1
ColorOS 6.1
Hardware
Chipset
Qualcomm SDM665 Snapdragon 665 (11 nm)
Mediatek MT6771V Helio P70 (12nm)
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Adreno 610
Mali-G72 MP3
RAM
8 GB
8 GB
Internal Storage
128 GB
128 GB
Card Slot
Yes, microSD, up to 256 GB (dedicated slot)
Yes, microSD, up to 256 GB (dedicated slot)
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Connectivity
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE, aptX HD
Wi-fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-fi Hotspot
Yes
Yes
USB
microUSB 2.0, USB On-The-Go
2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS
NFC
Yes
No
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA, LTE-A
HSPA 42.2/11.5 Mbps, LTE-A
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Poly (Lithium Polymer)
Capacity
5000 mAh battery
4025 mAh battery
Placement
Non-removable
Non-removable
Fast Charging
-
Yes, 30W: 50% in 30 min (VOOC Flash Charge 4.0)