Oppo A77 vs Oppo A91
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
CPH2339
PCPM00
Announced
2022, June
2019, December
Released
2022, June
2019, December
Status
Available
Available
Design
Type
Bar
Bar
Dimensions
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
7.9 mm thickness
Weight
190 g (6.70 oz)
172 g (6.07 oz)
Protection
Glass front, plastic frame, plastic back
IPX4 water resistant
-
Colors
Ocean Blue, Midnight Black
Dark Blue, Red, Blue
Network
2G Network
Yes
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G Network
Yes
HSDPA 850 / 1700(AWS) / 1900 / 2100
4G Network
Yes
LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G Network
Yes
-
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
6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio)
6.4 inches, 98.9 cm2
Resolution
720 x 1612 pixels
1080 x 2400 pixels
Display Colors
16M colors or more
16M colors
Pixel Density
269 ppi density
411 ppi density
Touch Screen
Yes
Capacitive Touchscreen
Features
90Hz, 480 nits (typ), 600 nits (HBM)
-
Media
FM Radio
No
Yes
Earphone Jack
Yes
Yes
Camera
Camera Set
Dual Cameras
Quad Cameras
Main Camera
48 MP, f/1.7, 26mm (wide), PDAF
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
2nd Camera
2 MP, f/2.4, (macro)
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
Camera Video
1080p@30fps
2160p@30fps, 1080p@30fps
Features
HDR, panorama
HDR, panorama
Flash
LED Flash
LED Flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
8 MP, f/2.0, 26mm (wide)
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm
Selfie Video
1080p@30fps
1080p@30fps
Features
Panorama
HDR
3rd Camera
-
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
Software
OS
Android 12
Android 9.0 (Pie)
User Interface
ColorOS 12.1
ColorOS 6.1
Hardware
Chipset
MediaTek MT6833P Dimensity 810 (6 nm)
Mediatek MT6771V Helio P70 (12nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Mali-G57 MC2
Mali-G72 MP3
RAM
6 GB
8 GB
Internal Storage
128 GB
128 GB
Card Slot
Yes, via microSD card
Yes, microSD, up to 256 GB (dedicated slot)
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Connectivity
Bluetooth
5.3, A2DP, LE, aptX HD
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
USB Type-C 2.0, USB On-The-Go
2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS
Yes, with A-GPS
NFC
Yes
No
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE, 5G
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, 33W, 53% in 30 min (advertised)
Yes, 30W: 50% in 30 min (VOOC Flash Charge 4.0)