Oppo A5x (64GB / 4GB RAM) VS Realme C73 5G

Both the Oppo A5x and Realme C73 5G offer water resistance, with the Oppo A5x featuring an IP65 rating and the Realme C73 5G a slightly lower IP64 rating. The difference in these ratings suggests the Oppo A5x provides slightly better protection against dust and water, especially in more challenging conditions. In terms of weight, the Oppo A5x is slightly lighter at 193 g compared to the Realme C73 5G, which weighs 197 g, though the difference is minimal.

When it comes to size, both phones are nearly identical in height (165.7 mm) and width (76.2 mm). The Oppo A5x is 8 mm thick, while the Realme C73 5G is just a bit thinner at 7.94 mm. The volume of the Oppo A5x is 101.01 cm³, while the Realme C73 5G has a slightly smaller volume at 100.25 cm³, making them quite similar in overall bulk.

Neither phone has a rugged build, and neither can be folded, meaning they both focus more on general durability rather than offering specialized protection or unique form factors.

The Oppo A5x and Realme C73 5G both feature a 6.67-inch LCD, IPS display with the same resolution of 720 x 1604 px and pixel density of 264 ppi. This ensures a similar visual experience in terms of sharpness and clarity on both devices. However, the Realme C73 5G has a higher refresh rate of 120Hz, compared to the 90Hz refresh rate on the Oppo A5x, which may result in slightly smoother scrolling and animations on the Realme device.

In terms of display protection, the Oppo A5x includes branded damage-resistant glass, while the Realme C73 5G does not mention any such protection. Both displays do not support HDR10, HDR10+, or Dolby Vision, and neither has an Always-On Display or a secondary screen, meaning they focus on standard display features without the added enhancements these technologies offer.

Both devices feature a touch screen, ensuring responsive interaction with the display.

The Oppo A5x comes with 64GB of internal storage and 4GB of RAM, while the Realme C73 5G offers more internal storage at 128GB, but the same 4GB of RAM. Both phones feature 64-bit support, with the Oppo A5x using the Qualcomm Snapdragon 6 Gen 1 chipset and the Realme C73 5G powered by the MediaTek Dimensity 6300 chipset. The Oppo A5x's CPU speed includes 4 cores at 2.2 GHz and 4 cores at 1.8 GHz, while the Realme C73 5G has 2 cores at 2.4 GHz and 6 cores at 2.0 GHz. Despite having a higher base clock speed, the Realme C73 5G's Geekbench 6 results are lower, with a multi-core score of 2012 and a single-core score of 782, compared to the Oppo A5x’s multi-core score of 2748 and single-core score of 943.

In terms of GPU performance, the Oppo A5x has an Adreno 710 GPU clocked at 800 MHz, whereas the Realme C73 5G uses an Arm Mali-G57 MC2 GPU running at 950 MHz. The Oppo A5x features higher memory speed at 2750 MHz, compared to the Realme C73 5G's 2133 MHz. The Oppo A5x also has a semiconductor size of 4 nm, which is smaller and potentially more efficient than the 6 nm process on the Realme C73 5G.

Both phones support HMP (Heterogeneous Multi-Processing) and have integrated graphics, with 8 CPU threads. The Oppo A5x has slightly better memory bandwidth at 22 GB/s, compared to the Realme C73 5G's 17.07 GB/s. Additionally, the Oppo A5x features a larger L2 cache (2 MB vs 1 MB) and a larger L1 cache (256 KB vs 512 KB) compared to the Realme C73 5G. Both devices support a maximum memory of 12GB, though neither model seems to come with this full capacity at launch. Lastly, the Oppo A5x has a higher DDR memory version (DDR5) than the Realme C73 5G's DDR4 memory.

Both the Oppo A5x and Realme C73 5G come with a 32 MP main camera, but the front cameras differ significantly. The Oppo A5x has a 5 MP front camera with a wide aperture of f/2.2, while the Realme C73 5G boasts a much higher resolution 32 MP front camera with a wider aperture of f/1.8, which may help it capture better detail and more light in selfies.

In terms of camera features, both phones share similar capabilities: neither has optical image stabilization, both support video recording at 1080 x 30 fps, and neither has a dual-tone LED flash or a BSI sensor. Both also feature continuous autofocus for video, phase-detection autofocus for photos, slow-motion video recording, HDR mode, manual exposure control, manual ISO, serial shot mode, manual focus, touch autofocus, and in-camera panorama creation. Neither phone offers laser autofocus, 360° panorama, or the ability to shoot in raw format, and both lack front-facing LED flashes.

Both the Oppo A5x and Realme C73 5G are equipped with a CMOS sensor and have manual white balance control, but neither supports HDR10 or Dolby Vision recording. Additionally, the Realme C73 5G lacks a dual-lens front camera, while the Oppo A5x also does not have a multi-lens setup, making both devices single-lens setups for both their front and main cameras.

Both the Oppo A5x and Realme C73 5G run Android 15 and share a wide range of similar software features. These include clipboard warnings, location privacy options, camera/microphone privacy options, theme customization, blocking app tracking, on-device machine learning, customizable notifications, dark mode, battery health check, extra dim mode, dynamic theming, and support for widgets. Both devices also support features like playing games while they download, full-page screenshots, split screen, PiP (Picture-in-Picture), and offline voice recognition.

Neither phone offers Mail Privacy Protection, Wi-Fi password sharing, or Quick Start. Additionally, neither device can be used as a PC. Both phones support sharing intents, have a child lock, voice commands, and can track the current position of the mobile device. Both are multi-user systems, and both support Live Text and customizable notifications. The Realme C73 5G and Oppo A5x also share the ability to offload apps and have focus modes, though neither supports focus modes natively.

There are no significant differences between the two phones in terms of their Android features and functionality. They are equipped with almost identical software options, providing a similar user experience in terms of customization, privacy, and utility features.

Both the Oppo A5x and Realme C73 5G are equipped with a 6000 mAh rechargeable battery, offering substantial power capacity for extended usage. The Oppo A5x supports fast charging at a higher speed of 45W, while the Realme C73 5G supports fast charging at 15W. This difference in charging speeds means that the Oppo A5x will charge much faster than the Realme C73 5G.

In terms of wireless charging, the Realme C73 5G has wireless charging capabilities, whereas the Oppo A5x does not support wireless charging. Both devices have a battery level indicator, which is standard for monitoring battery status, and neither device offers a removable battery.

Both phones share the feature of having a rechargeable battery, ensuring convenience for long-term use, though the key differentiator remains the charging speed and the presence of wireless charging on the Realme C73 5G.

Both the Oppo A5x and Realme C73 5G lack a 3.5 mm audio jack, meaning users will need to rely on wireless or USB-C headphones. The Oppo A5x does feature stereo speakers, while the Realme C73 5G does not, meaning the Oppo A5x may provide a richer audio experience for media playback.

In terms of audio codec support, the Oppo A5x supports aptX for high-quality Bluetooth audio streaming, while the Realme C73 5G does not support any aptX codecs. Neither device supports LDAC, aptX HD, aptX Adaptive, or aptX Lossless, which means both phones are limited in terms of high-resolution Bluetooth audio.

Both devices also lack a built-in radio, which may be a consideration for users who enjoy listening to FM radio. Overall, the Oppo A5x offers more robust audio features with stereo speakers and aptX support compared to the Realme C73 5G.

The Oppo A5x and Realme C73 5G differ significantly in terms of connectivity. The Realme C73 5G supports 5G, while the Oppo A5x does not. Both devices offer Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac) support, along with dual SIM capability. The Bluetooth version is 5 on the Oppo A5x, while the Realme C73 5G has the more recent Bluetooth 5.3. Both phones support an external memory slot, USB Type-C (USB version 2), and have GPS and a compass, though the Oppo A5x also includes an infrared sensor, which the Realme C73 5G lacks.

Both phones feature fingerprint scanners, but neither has NFC or supports 3D facial recognition, iris scanning, or a stylus. The Oppo A5x has a download speed of 2900 MBits/s, while the Realme C73 5G offers a slightly faster download speed of 3300 MBits/s. Both devices have a gyroscope, accelerometer, and cellular module, but the Realme C73 5G does not have an infrared sensor, and neither phone supports motion or optical tracking or has a barometer or HDMI output.

In terms of other features, both devices support Galileo, but neither has a built-in projector, supports ANT+, or has a heart rate monitor. Both phones lack emergency SOS via satellite and crash detection, and neither is DLNA-certified. Overall, the Realme C73 5G offers 5G connectivity and a faster download speed, while the Oppo A5x stands out with its infrared sensor.

Both the Oppo A5x and Realme C73 5G come equipped with a video light, which can assist in improving the quality of videos taken in low-light conditions. Neither device features sapphire glass displays, curved displays, or e-paper displays, meaning both phones have standard flat displays without specialized screen technologies.

In terms of display features, there are no significant differences between the two devices. Both the Oppo A5x and Realme C73 5G offer similar basic functionalities when it comes to display design and protection, with no advanced display technologies like sapphire glass or curves.

Overall, the Oppo A5x and Realme C73 5G have matching features in this group, with both offering the same video light and lacking the more premium display enhancements like sapphire glass or a curved display.