Oppo F31 Pro 5G VS Realme 15 5G

The Oppo F31 Pro 5G and Realme 15 5G both offer waterproof capabilities, with the Oppo F31 Pro 5G featuring an IP68 rating and a waterproof depth of 1.5 meters. In comparison, the Realme 15 5G has a higher IP69 rating and is rated for 2 meters of waterproof depth. Both phones do not have a rugged build, but they offer reliable water resistance.

In terms of physical dimensions, the Oppo F31 Pro 5G is slightly heavier, weighing 190 grams, compared to the Realme 15 5G's 187 grams. The Oppo F31 Pro 5G is 8 mm thick, while the Realme 15 5G is slightly thinner at 7.66 mm. The Oppo phone is also slightly shorter in height at 158.2 mm, whereas the Realme model is 162.3 mm tall. Width-wise, the Oppo is 75 mm, whereas the Realme is a bit wider at 76.2 mm. The volume of the two devices is almost identical, with the Oppo at 94.92 cm³ and the Realme at 94.73 cm³.

Both devices do not have folding capabilities, and neither has a rugged build, confirming that their design focus is not on extreme durability but rather general water resistance and portability.

Both the Oppo F31 Pro 5G and Realme 15 5G feature OLED/AMOLED displays, offering vibrant colors and deep blacks. The Oppo F31 Pro 5G has a 6.57-inch screen, while the Realme 15 5G offers a larger 6.8-inch display. This makes the Realme 15 5G's screen a bit more expansive, providing a potentially better viewing experience for those who prefer larger screens.

When it comes to pixel density, the Oppo F31 Pro 5G has 397 ppi, while the Realme 15 5G has a significantly higher 453 ppi, which means sharper visuals on the Realme device. In terms of resolution, the Oppo has a resolution of 1080 x 2372 px, while the Realme comes with a higher resolution of 1280 x 2800 px, contributing to its greater pixel density and potentially sharper display content.

The Oppo F31 Pro 5G offers a 120Hz refresh rate, which is slightly lower than the Realme 15 5G's 144Hz. Both devices have a 240Hz touch sampling rate for smooth responsiveness. The Oppo's brightness is 600 nits, while the Realme 15 5G is much brighter, reaching 1800 nits, making it better for visibility in direct sunlight. Both devices include branded damage-resistant glass and do not support HDR10, HDR10+, or Dolby Vision, with neither device featuring a secondary screen. Both phones are equipped with touch screens.

Both the Oppo F31 Pro 5G and Realme 15 5G share the same MediaTek Dimensity 7300 chipset, along with a Mali G615 MC2 GPU, offering similar processing power and graphics capabilities. The CPU in both devices operates at 4 x 2.5 GHz and 4 x 2 GHz, providing a balanced performance with 8 threads. Both phones also feature integrated LTE and utilize big.LITTLE technology, which optimizes energy consumption by using different cores for light and heavy tasks.

When it comes to RAM, both phones are equipped with 12GB of RAM, running at a speed of 6400 MHz. The maximum memory they support is the same, 16GB, and they both use DDR5 memory. The Oppo F31 Pro 5G has 256GB of internal storage, whereas the Realme 15 5G offers a larger 512GB of internal storage, allowing for more data storage out of the box.

In terms of benchmark results, both devices scored the same on Geekbench 6, with a multi-core score of 2932 and a single-core score of 1026. Both phones also support DirectX 12 and have integrated graphics. Their semiconductor size is 4 nm, and they both have 6200 million transistors, ensuring efficient performance and power management.

Both the Oppo F31 Pro 5G and Realme 15 5G feature dual-lens main cameras. The Oppo F31 Pro 5G has a 50 MP primary lens paired with a 2 MP secondary lens, while the Realme 15 5G offers a 50 MP primary lens and an 8 MP secondary lens. Both devices have a wide aperture of 2.4f and 1.8f for their respective lenses. The Oppo model has built-in optical image stabilization, and so does the Realme 15 5G, ensuring stable shots and video. Both phones can record video at 2160 x 30 fps resolution.

The Oppo F31 Pro 5G features a 32 MP front camera, while the Realme 15 5G has a significantly higher 50 MP front camera, suggesting sharper selfies. Both phones lack a dual-lens front camera. In terms of additional features, both phones have similar camera functions, such as continuous autofocus, phase-detection autofocus, slow-motion video support, manual exposure, manual ISO, serial shot mode, touch autofocus, in-camera panorama creation, and timelapse. Neither device supports HDR10 or Dolby Vision recording, and both lack a front-facing LED flash.

In terms of flash, the Oppo F31 Pro 5G has a single flash LED, while the Realme 15 5G features a dual-tone LED flash with two flash LEDs. The Realme model also includes a BSI sensor, while the Oppo F31 Pro 5G does not. Neither phone shoots in RAW format or has 360° panorama shooting capabilities or laser autofocus. Both phones support manual white balance and lack a front-facing camera under the display or RGB LED flash.

Both the Oppo F31 Pro 5G and Realme 15 5G run on Android 15, offering a similar set of features for privacy, customization, and system management. Both devices include clipboard warnings, location privacy options, and camera/microphone privacy options. They also allow for theme customization, can block app tracking, and offer on-device machine learning. The two phones share several common functionalities, such as notification permissions, media picker, dark mode, and the ability to play games while they download.

For system enhancements, both phones provide battery health checks, an extra dim mode, dynamic theming, and the ability to offload apps. Both phones also have customizable notifications, full-page screenshots, and support for split-screen multitasking. They also include picture-in-picture (PiP) functionality, voice recognition, and voice commands, along with tracking the device's current location. Additionally, both devices support widgets, are free and open source, and feature a multi-user system.

The Oppo F31 Pro 5G and Realme 15 5G do not support direct OS updates, Quick Start, or use the device as a PC. They also lack Mail Privacy Protection and do not have Wi-Fi password sharing. While both phones share the same core Android 15 features, there are no significant differences in this area between the two devices.

Both the Oppo F31 Pro 5G and Realme 15 5G come with the same 7000 mAh battery capacity, providing substantial battery life. Neither device supports wireless charging or reverse wireless charging. However, both support fast charging at 80W, which allows for rapid recharging.

Both phones also include a charger in the box and feature rechargeable batteries. Neither device has a removable battery, and both have a battery level indicator to help monitor power status.

In terms of battery functionality, the Oppo F31 Pro 5G and Realme 15 5G have identical battery-related specifications and features, offering the same performance in these areas.

Both the Oppo F31 Pro 5G and Realme 15 5G lack a 3.5 mm audio jack, so users will need to rely on wireless or USB-C audio solutions. However, both devices are equipped with stereo speakers, providing a more immersive audio experience.

In terms of Bluetooth audio capabilities, the Oppo F31 Pro 5G supports aptX, LDAC, and aptX HD, ensuring high-quality wireless audio. On the other hand, the Realme 15 5G lacks support for any of these advanced audio codecs, including aptX and LDAC.

Neither phone includes a radio, and neither supports aptX Adaptive or aptX Lossless. Overall, while both phones offer stereo speakers, the Oppo F31 Pro 5G has more advanced wireless audio support compared to the Realme 15 5G.

Both the Oppo F31 Pro 5G and Realme 15 5G support 5G connectivity, offering fast download and upload speeds of 3270 MBits/s. They both support Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), and Wi-Fi 6 (802.11ax), ensuring compatibility with a wide range of wireless networks. Additionally, both devices feature dual SIM card slots, USB Type-C ports with USB 2.0, and Bluetooth 5.4 for wireless connections.

The Oppo F31 Pro 5G stands out with NFC support, which is absent in the Realme 15 5G. The Oppo device also includes an infrared sensor, which is not available on the Realme model. Both phones come with a fingerprint scanner, a gyroscope, GPS, a compass, and an accelerometer, providing a solid range of sensors for navigation and motion tracking.

In terms of additional features, both phones lack a barometer, HDMI output, 3D facial recognition, an iris scanner, a stylus, motion tracking, optical tracking, and a built-in projector. They also both support Galileo for enhanced satellite navigation. Overall, the Oppo F31 Pro 5G has a slight edge with the inclusion of NFC and an infrared sensor, while the Realme 15 5G offers the same core connectivity features minus those extras.

Both the Oppo F31 Pro 5G and Realme 15 5G feature a video light, making them suitable for low-light video recording. Neither device comes with sapphire glass displays, curved displays, or e-paper displays, so both offer standard display technologies without these premium or niche features.

Overall, the miscellaneous features of both phones are identical, with both offering a video light and lacking any of the additional display technologies like sapphire glass, curved displays, or e-paper displays.