Phone Comparison - Oppo A77 vs Oppo A78 4G vs Oppo A3x 4G

general General Info

Manufacturer Oppo Oppo Oppo
Announced June 2022 July 2023 August 2024
Status Coming Soon - June 2022 Available - July 2023 Available - August 2024
Colors Ocean Blue, Midnight Black Mist Black, Aqua Green Nebula Red, Ocean Blue
Form Factor Candybar Candybar Candybar
Dimension 163.8 x 75.1 x 8 mm
(6.45 x 2.96 x 0.31 in)
160 x 73.2 x 7.9 mm
(6.3 x 2.88 x 0.31 in)
165.8 x 76.1 x 7.7 mm
(6.53 x 3 x 0.3 in)
Weight 190 g (6.7 oz) 180 g (6.35 oz) 186 g (6.56 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - version 1
HSDPA 850 / 900 / 2100 - version 2
HSDPA 900 / 2100 - version 3, version 4
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 26, 28, 38, 40, 41, 66 - version 1
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - version 2
1, 3, 7, 8, 20, 28, 38, 40, 41 - version 3
1, 3, 5, 8, 40 - version 4
5G Network 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA - -
Messaging
Build Features - Fingerprint Sensor (side-mounted)
IPX4 water resistant
- Fingerprint Sensor
IP54, dust and splash resistant
- Fingerprint Sensor (side-mounted)
IP54, dust and splash resistant
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions

hardware Hardware and OS

OS Android 12 Android 13 Android 14
User Interface ColorOS 12.1 ColorOS 13.1 ColorOS 14
Processor Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6833P Dimensity 810 (6 nm) Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver), Qualcomm SM6225 Snapdragon 680 4G (6 nm) , Qualcomm Snapdragon 6s Gen 1
GPU Mali-G57 MC2 Adreno 610 Adreno 610
RAM 6 GB 8 GB 8 GB
Internal Memory 128 GB 256 GB 256 GB
External Memory microSDXC microSDXC microSDXC

display Display

Type HD+ IPS LCD Screen
90Hz Refresh Rate
480 nits (typ), 600 nits (HBM)
FHD+ AMOLED Screen
90Hz Refresh Rate
430 Nits, Corning Gorilla Glass 5
HD+ IPS LCD Screen
90Hz Refresh Rate, 1000 Nits (HBM)
Panda Glass Protection
Colors 16M Colors 16M colors 16M colors
Size 6.56 inches 6.43 inches 6.67 inches
Resolution 720 x 1612 pixels (269 ppi) 1080 x 2400 pixels (409 ppi) 720 x 1604 pixels (264 ppi)
Screen-to-Body Ratio 84.12% 85.35% 84.73%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 48 MP + 2 MP 50 MP + 2 MP 8 MP
Flash LED Flash LED Flash LED Flash
Features 48 MP, f/1.7, 26mm (wide), PDAF
2 MP, f/2.4, (depth)
HDR, Panorama
50 MP, f/1.8, (wide), PDAF
2 MP, f/2.4, (depth)
HDR, Panorama
8 MP, f/2.0, (wide), PDAF
Auxiliary lens
HDR, Panorama
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 8 MP, f/2.0, 26mm (wide)
Panorama
1080p@30fps [Similar]
8 MP, f/2.0, (wide)
1080p@30fps [Similar]
5 MP, f/2.2, (wide)
Video - 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE, 5G HSPA, LTE HSPA, LTE
Bluetooth 5.3, A2DP, LE, aptX HD 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band
USB USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, OTG USB Type-C 2.0, OTG
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS GPS, GALILEO, GLONASS, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM UFS 2.2 256 GB, 8 GB RAM or 128 GB, 8 GB RAM 256 GB, 8 GB RAM or 256 GB, 6 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM eMMC 5.1
Expandable Storage microSDXC microSDXC microSDXC
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor present gyroscope sensor not present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery Charging 33W, 53% in 30 min (advertised)
Li-Po Non-removable
67W wired, PD, 76% in 30 min
Non-removable Li-Po Battery
Fast Battery Charging 45W wired, PD2.0, PPS, 50% in 30 min
Capacity 5000 mAh 5000 mAh 5100 mAh
Stand by - - -
Talk Time - - -