Oppo A78
#1581
Oppo K9x
#1547Category Breakdown
Oppo A78
Oppo K9x
Performance
70.870.8
Camera
44.345.0
Display
75.575.5
Battery
63.063.0
Build
68.868.8
Overall
63.763.9
Summary
- The Oppo A78 features a slightly larger 6.56-inch IPS LCD display with a resolution of 720 x 1612 pixels, while the Oppo K9x has a 6.49-inch display with a higher resolution of 1080 x 2400 pixels, resulting in better pixel density.
- In terms of performance, the A78 is powered by the Mediatek Dimensity 700 chipset, whereas the K9x utilizes the more advanced Dimensity 810, offering improved processing capabilities.
- The camera setup on the K9x is superior, with a 64 MP main sensor compared to the A78's 50 MP, and the K9x also includes gyro-EIS for video stabilization.
- Both phones have a 5000 mAh battery with 33W charging, ensuring long-lasting usage.
- The A78 runs on Android 12 with ColorOS 14, while the K9x operates on an older Android 11 with ColorOS 11.1, which may affect software experience and updates.
- Lastly, the A78 is slightly lighter at 188g compared to the K9x's 194g.
Side-by-side Specification Comparison
Oppo A78
Oppo K9x
General
Release Date
2023, January 07
2021, December 23
Announced
2023, January 07
2021, December 23
Description
Not to be confused withOppo A78 4G
N/A
Display
Size
6.56"
6.49"
Type
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)
Resolution
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
PPI
720
1080
Refresh Rate
90Hz
90Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Panda glass
Aluminosilicate glass
Performance
Chipset
Mediatek Dimensity 700 (7 nm)
Mediatek Dimensity 810 (6 nm)
CPU
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2
Mali-G57 MC2
Memory
128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC
Camera
Main Camera
50 MP
64 MP
Main Camera Details
50 MP, f/1.8, 27mm (wide), PDAF2 MP, f/2.4, (depth)
64 MP, f/1.7, 26mm (wide), 1/1.97”, 0.7µm, PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
Front Camera
8 MP
16 MP
Front Camera Details
8 MP, f/2.0, 27mm (wide)
16 MP, f/2.0, 26mm (wide), 1/3.0”, 1.0µm
Video Recording
1080p@30fps
1080p@30fps, gyro-EIS
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
5000 mAh
Battery Details
Li-Po 5000 mAh
Li-Po 5000 mAh
Charging Details
33W wired, PD, 52% in 30 min, 100% in 67 min
33W wired, 50% in 27 minReverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
162.2 x 74.8 x 8.8 mm (6.39 x 2.94 x 0.35 in)
Weight
188 g
194 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Glowing Black, Glowing Purple
Black, Blue
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.3, A2DP, LE, aptX
5.1, A2DP, LE, aptX
NFC
✓
✗
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
GPS, GLONASS, GALILEO, BDS
Software
Operating System
Android 12, upgradable to Android 14, ColorOS 14
Android 11, ColorOS 11.1
OS Version
Android 12, upgradable to Android 14, ColorOS 14
Android 11, ColorOS 11.1
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes