In-Depth Review
Oppo A78 Review
By MobGadgets Editorial Team
Updated October 29, 2026 • 12 min read
I. Overview
The Oppo A78 is a mid-range smartphone released in January 2023, with a 5G network support, 6.56-inch IPS LCD display, and a 5000mAh battery with 33W fast charging. It runs on Android 12 with ColorOS 13 and is powered by a MediaTek Dimensity 700 chipset.
Let's take a deeper look into Oppo A78.
II. Design and Build:
The Oppo A78 5G has a sleek design with dimensions of 163.8 x 75.1 x 8 mm and weighs 188 g. It features a 6.56 inches IPS LCD display with a 90Hz refresh rate, which provides smooth scrolling and better viewing experience. The screen has a resolution of 720 x 1612 pixels and a pixel density of 269 PPI. It also comes with Panda Glass protection that ensures it's scratch-resistant. The back panel has a glossy finish and is available in two colors, Glowing Black and Glowing Purple. The smartphone has a side-mounted fingerprint scanner that doubles as the power button, providing easy and secure access.
III. Memory:
The Oppo A78 5G comes with an internal storage of 128GB, which is expandable up to 1TB via a dedicated microSDXC slot. It also comes with 8GB of RAM, making it suitable for multitasking and running demanding apps. The phone is powered by the Mediatek MT6833 Dimensity 700 chipset, which is built on a 7nm process and has an octa-core CPU with 2x2.2 GHz Cortex-A76 and 6x2.0 GHz Cortex-A55 cores. The phone runs on Android 12 with ColorOS 13 user interface, which provides a smooth and responsive user experience.
III. Memory
The Oppo A78 is equipped with 8GB of RAM and 128GB of internal storage, which is more than enough for most users. The device also supports microSDXC cards for expandable storage of up to 1TB, providing users with ample space for storing photos, videos, music, and other files.
In terms of the type of storage used, the Oppo A78 uses UFS 2.2, which is a faster and more reliable type of flash storage compared to eMMC. This translates to faster app load times, smoother multitasking, and faster file transfers. Overall, the Oppo A78's memory and storage performance are on par with other mid-range devices, making it a solid choice for users who need a device with enough memory and storage to handle their daily tasks.
IV. Performance:
The Oppo A78 5G is powered by the Mediatek MT6833 Dimensity 700 chipset, which is built on a 7nm process and has an octa-core CPU with 2x2.2 GHz Cortex-A76 and 6x2.0 GHz Cortex-A55 cores. The phone comes with Mali-G57 MC2 GPU, which provides decent graphics performance for gaming and other intensive tasks.
In terms of performance, the Oppo A78 5G delivers a smooth and responsive user experience. The phone handles multitasking well, and there is no noticeable lag or stuttering while navigating through the user interface. Apps open quickly, and switching between them is seamless.
The phone also performs well in benchmarks, scoring a respectable 340,000 in AnTuTu. It also scored 1,573 in Geekbench 5 (single-core) and 5,817 in Geekbench 5 (multi-core), which is comparable to other phones in its price range.
The Oppo A78 5G also has excellent connectivity options, supporting 5G, 4G, and Wi-Fi networks. The phone also comes with Bluetooth 5.3, NFC, and USB Type-C 2.0 with OTG support.
Overall, the Oppo A78 5G provides a reliable and responsive performance suitable for daily use and even light gaming.
V. Camera:
The Oppo A78 5G comes with a dual-camera setup on the back consisting of a 50 MP primary camera with an f/1.8 aperture and a 2 MP depth sensor. The camera captures photos with excellent detail and color accuracy, especially in well-lit conditions. The camera's dynamic range is also impressive, allowing it to capture detail in both the highlights and shadows. The 8 MP front camera captures decent selfies with good color reproduction and detail. Video recording on this device is limited to 1080p at 30fps.
VI. Battery Life:
The Oppo A78 5G has a 5000mAh non-removable Li-Po battery that provides all-day battery life on moderate usage. The device supports fast charging and comes with a 33W charger that can charge the device from 0 to 100% in 67 minutes, as advertised. The battery life of the device is impressive, and it can easily last a day or more on moderate usage.
VII. Pricing (in USD):
The Oppo A78 5G is priced at around $270, making it an affordable option for a 5G smartphone with its specifications. The device offers great value for money, given its features and performance.
VIII. Comparison with Other Related Phones:
The Oppo A78 5G can be compared with other devices in its price range, such as the Xiaomi Redmi Note 11 5G and the Realme 8 5G. The Xiaomi Redmi Note 11 5G offers a better camera setup with a 108 MP primary camera, but the Oppo A78 5G offers better battery life and a more powerful processor. The Realme 8 5G has a similar processor to the Oppo A78 5G but offers a better camera setup and a higher refresh rate display. However, the Oppo A78 5G stands out with its excellent build quality, fast charging capabilities, and affordable price.
Overall, the Oppo A78 5G is an excellent device that offers good performance, great battery life, and a decent camera setup for its price range. It is a great option for those looking for an affordable 5G smartphone.
IX. Pros and Cons:
Pros:
-Good performance
-Excellent battery life
-Fast charging support
-Affordable price
-Good build quality
Cons:
-Display resolution could be higher
-Limited video recording options
X. Verdict:
The Oppo A78 5G is a well-rounded smartphone that offers great value for money. Its fast charging capabilities, good performance, and excellent battery life make it a great option for those looking for an affordable 5G smartphone. While the camera setup and display resolution could be better, the device still manages to offer a decent camera experience and a high-quality display. Overall, the Oppo A78 5G is a great option for those looking for a budget-friendly 5G smartphone.
The Oppo A78 is a mid-range smartphone released in January 2023, with a 5G network support, 6.56-inch IPS LCD display, and a 5000mAh battery with 33W fast charging. It runs on Android 12 with ColorOS 13 and is powered by a MediaTek Dimensity 700 chipset.
Let's take a deeper look into Oppo A78.
II. Design and Build:
The Oppo A78 5G has a sleek design with dimensions of 163.8 x 75.1 x 8 mm and weighs 188 g. It features a 6.56 inches IPS LCD display with a 90Hz refresh rate, which provides smooth scrolling and better viewing experience. The screen has a resolution of 720 x 1612 pixels and a pixel density of 269 PPI. It also comes with Panda Glass protection that ensures it's scratch-resistant. The back panel has a glossy finish and is available in two colors, Glowing Black and Glowing Purple. The smartphone has a side-mounted fingerprint scanner that doubles as the power button, providing easy and secure access.
III. Memory:
The Oppo A78 5G comes with an internal storage of 128GB, which is expandable up to 1TB via a dedicated microSDXC slot. It also comes with 8GB of RAM, making it suitable for multitasking and running demanding apps. The phone is powered by the Mediatek MT6833 Dimensity 700 chipset, which is built on a 7nm process and has an octa-core CPU with 2x2.2 GHz Cortex-A76 and 6x2.0 GHz Cortex-A55 cores. The phone runs on Android 12 with ColorOS 13 user interface, which provides a smooth and responsive user experience.
III. Memory
The Oppo A78 is equipped with 8GB of RAM and 128GB of internal storage, which is more than enough for most users. The device also supports microSDXC cards for expandable storage of up to 1TB, providing users with ample space for storing photos, videos, music, and other files.
In terms of the type of storage used, the Oppo A78 uses UFS 2.2, which is a faster and more reliable type of flash storage compared to eMMC. This translates to faster app load times, smoother multitasking, and faster file transfers. Overall, the Oppo A78's memory and storage performance are on par with other mid-range devices, making it a solid choice for users who need a device with enough memory and storage to handle their daily tasks.
IV. Performance:
The Oppo A78 5G is powered by the Mediatek MT6833 Dimensity 700 chipset, which is built on a 7nm process and has an octa-core CPU with 2x2.2 GHz Cortex-A76 and 6x2.0 GHz Cortex-A55 cores. The phone comes with Mali-G57 MC2 GPU, which provides decent graphics performance for gaming and other intensive tasks.
In terms of performance, the Oppo A78 5G delivers a smooth and responsive user experience. The phone handles multitasking well, and there is no noticeable lag or stuttering while navigating through the user interface. Apps open quickly, and switching between them is seamless.
The phone also performs well in benchmarks, scoring a respectable 340,000 in AnTuTu. It also scored 1,573 in Geekbench 5 (single-core) and 5,817 in Geekbench 5 (multi-core), which is comparable to other phones in its price range.
The Oppo A78 5G also has excellent connectivity options, supporting 5G, 4G, and Wi-Fi networks. The phone also comes with Bluetooth 5.3, NFC, and USB Type-C 2.0 with OTG support.
Overall, the Oppo A78 5G provides a reliable and responsive performance suitable for daily use and even light gaming.
V. Camera:
The Oppo A78 5G comes with a dual-camera setup on the back consisting of a 50 MP primary camera with an f/1.8 aperture and a 2 MP depth sensor. The camera captures photos with excellent detail and color accuracy, especially in well-lit conditions. The camera's dynamic range is also impressive, allowing it to capture detail in both the highlights and shadows. The 8 MP front camera captures decent selfies with good color reproduction and detail. Video recording on this device is limited to 1080p at 30fps.
VI. Battery Life:
The Oppo A78 5G has a 5000mAh non-removable Li-Po battery that provides all-day battery life on moderate usage. The device supports fast charging and comes with a 33W charger that can charge the device from 0 to 100% in 67 minutes, as advertised. The battery life of the device is impressive, and it can easily last a day or more on moderate usage.
VII. Pricing (in USD):
The Oppo A78 5G is priced at around $270, making it an affordable option for a 5G smartphone with its specifications. The device offers great value for money, given its features and performance.
VIII. Comparison with Other Related Phones:
The Oppo A78 5G can be compared with other devices in its price range, such as the Xiaomi Redmi Note 11 5G and the Realme 8 5G. The Xiaomi Redmi Note 11 5G offers a better camera setup with a 108 MP primary camera, but the Oppo A78 5G offers better battery life and a more powerful processor. The Realme 8 5G has a similar processor to the Oppo A78 5G but offers a better camera setup and a higher refresh rate display. However, the Oppo A78 5G stands out with its excellent build quality, fast charging capabilities, and affordable price.
Overall, the Oppo A78 5G is an excellent device that offers good performance, great battery life, and a decent camera setup for its price range. It is a great option for those looking for an affordable 5G smartphone.
IX. Pros and Cons:
Pros:
-Good performance
-Excellent battery life
-Fast charging support
-Affordable price
-Good build quality
Cons:
-Display resolution could be higher
-Limited video recording options
X. Verdict:
The Oppo A78 5G is a well-rounded smartphone that offers great value for money. Its fast charging capabilities, good performance, and excellent battery life make it a great option for those looking for an affordable 5G smartphone. While the camera setup and display resolution could be better, the device still manages to offer a decent camera experience and a high-quality display. Overall, the Oppo A78 5G is a great option for those looking for a budget-friendly 5G smartphone.
