Oppo F31 Pro 5G VS Oppo K13x 5G

The Oppo F31 Pro 5G and Oppo K13x 5G differ in their design, with notable differences in dimensions, weight, and water resistance. The F31 Pro 5G is slightly lighter, weighing 190 g compared to the K13x 5G's 194 g. The thickness is also slightly different, with the F31 Pro 5G measuring 8 mm and the K13x 5G at 7.9 mm. In terms of width, the K13x 5G is marginally wider at 76.2 mm, while the F31 Pro 5G is 75 mm wide. The height of the K13x 5G is taller, at 165.7 mm, compared to the F31 Pro 5G's 158.2 mm. This results in a larger overall volume for the K13x 5G, at 99.75 cm³, compared to 94.92 cm³ for the F31 Pro 5G.

Regarding water resistance, the F31 Pro 5G is rated as waterproof with an IP68 rating, meaning it offers more comprehensive protection against water and dust. On the other hand, the K13x 5G has an IP65 rating, which indicates it is resistant to water splashes but offers less protection than the F31 Pro 5G. Both devices do not have a rugged build, and neither can be folded.

In summary, the Oppo F31 Pro 5G offers better water resistance with its IP68 rating, while the Oppo K13x 5G is slightly larger and heavier. The differences in dimensions and weight are relatively minor, but the water resistance could be an important factor for users seeking extra protection from water exposure.

The Oppo F31 Pro 5G and Oppo K13x 5G both feature OLED/AMOLED displays, but there are a few differences in their specifications. The F31 Pro 5G has a 6.57″ screen, while the K13x 5G is slightly larger at 6.67″. The F31 Pro 5G also offers a higher pixel density of 397 ppi, compared to the K13x 5G's 264 ppi, which means the F31 Pro 5G will likely display sharper images and text. In terms of resolution, the F31 Pro 5G has a higher 1080 x 2372 px resolution, while the K13x 5G has a resolution of 720 x 1604 px, resulting in a less detailed image on the K13x 5G's screen.

Both devices support a 120Hz refresh rate, providing smooth scrolling and gaming experiences. The F31 Pro 5G has a typical brightness of 600 nits, while the K13x 5G is brighter, reaching 850 nits, which may make it more suitable for use in bright outdoor environments.

In terms of durability, the F31 Pro 5G features branded damage-resistant glass, while the K13x 5G does not. Neither device supports HDR10, HDR10+, or Dolby Vision, and neither has a secondary screen. Both phones also feature touch screens, which are standard for modern smartphones.

The Oppo F31 Pro 5G and Oppo K13x 5G have different performance specifications that may impact their overall computing power. The F31 Pro 5G comes with 256GB of internal storage and 12GB of RAM, while the K13x 5G has 128GB of internal storage and 8GB of RAM. The F31 Pro 5G is powered by the MediaTek Dimensity 7300 chipset, whereas the K13x 5G uses the Dimensity 6300. The F31 Pro 5G also has a higher CPU clock speed, with 4 cores running at 2.5 GHz and 4 cores at 2 GHz, compared to the K13x 5G’s 2 cores at 2.4 GHz and 6 cores at 2 GHz.

In terms of benchmark performance, the F31 Pro 5G scores 2932 in Geekbench 6’s multi-core test and 1026 in the single-core test, significantly outperforming the K13x 5G, which scores 2012 in multi-core and 782 in single-core. The F31 Pro 5G also has a higher GPU clock speed at 1047 MHz, compared to the K13x 5G's 950 MHz. Furthermore, the F31 Pro 5G uses a 4nm semiconductor size, while the K13x 5G uses a 6nm process, which could affect the efficiency and heat generation of the chips.

Both phones have integrated LTE and support 64-bit processing. The F31 Pro 5G has a maximum memory capacity of 16GB and uses DDR5 RAM with a speed of 6400 MHz, while the K13x 5G supports up to 12GB of memory and uses DDR4 RAM running at 2133 MHz. Both phones use big.LITTLE technology and have 8 CPU threads, with the added benefit of HMP (Heterogeneous Multi-Processing) support in both devices.

The Oppo F31 Pro 5G and Oppo K13x 5G both have dual-lens main cameras with 50MP and 2MP sensors, and they share the same wide apertures of 2.4f and 1.8f for their main cameras. However, the F31 Pro 5G has a higher resolution front camera at 32MP, while the K13x 5G's front camera is only 8MP. The F31 Pro 5G also has built-in optical image stabilization (OIS) for smoother video recording and photography, while the K13x 5G lacks this feature.

In terms of video recording, the F31 Pro 5G supports 4K recording at 30fps (2160 x 30 fps), whereas the K13x 5G is limited to 1080p recording at 30fps (1080 x 30 fps). Both phones support slow-motion video recording, have phase-detection autofocus, and offer the ability to create panoramas in-camera. Both also feature a CMOS sensor and have touch autofocus for photos and videos.

Neither phone has a front-facing LED flash, dual-tone LED flash, or any 3D photo/video recording capabilities. Both have manual exposure, manual ISO, manual white balance, and a serial shot mode for advanced photo adjustments. The F31 Pro 5G has a front-facing camera with a 2.4f aperture, while the K13x 5G's front camera has a slightly smaller aperture of 2f. Both devices support timelapse functions but lack HDR10 or Dolby Vision recording support.

Both the Oppo F31 Pro 5G and Oppo K13x 5G run Android 15 and share a wide range of similar features in their operating systems. These include clipboard warnings, location privacy options, camera/microphone privacy options, theme customization, blocking app tracking, on-device machine learning, notification permissions, media picker, dark mode, battery health check, and extra dim mode. Additionally, both devices support dynamic theming, offloading apps, customizable notifications, Live Text, full-page screenshots, split screen, PiP (Picture-in-Picture), sharing intents, a child lock, widgets, offline voice recognition, voice commands, and tracking the device’s current position. Both phones also function as multi-user systems and are free and open source.

There are no major differences between the two devices in terms of operating system features. However, neither phone supports Wi-Fi password sharing, focus modes, or Quick Start. Both devices do not get direct OS updates, and neither can be used as a PC. The only potential distinction is that both devices share the same functionality and features, providing a consistent experience on both models.

In summary, the Oppo F31 Pro 5G and Oppo K13x 5G offer very similar operating system features, with no notable differences between them in terms of Android 15 functionality and privacy options.

The Oppo F31 Pro 5G and Oppo K13x 5G differ in their battery specifications. The F31 Pro 5G features a larger 7000 mAh battery, while the K13x 5G comes with a 6000 mAh battery. Both devices have non-removable rechargeable batteries and include a battery level indicator.

In terms of charging capabilities, both phones support fast charging, but the F31 Pro 5G offers a faster charging speed of 80W, compared to the K13x 5G’s 45W. Neither phone supports wireless charging. Both devices also have rechargeable batteries, which is standard for modern smartphones.

In summary, the F31 Pro 5G has a larger battery and faster charging speed, while the K13x 5G has a smaller battery with slower charging capabilities. Both devices share similar basic features like non-removable batteries and battery level indicators.

The Oppo F31 Pro 5G and Oppo K13x 5G have some differences in their audio features. The F31 Pro 5G does not include a 3.5 mm audio jack, while the K13x 5G does have a socket for it, allowing users to connect wired headphones directly. Both phones are equipped with stereo speakers for enhanced sound quality.

When it comes to wireless audio technologies, the F31 Pro 5G supports multiple high-quality audio codecs, including aptX, LDAC, and aptX HD. The K13x 5G, however, lacks support for aptX, LDAC, and aptX HD, making it less capable for high-fidelity Bluetooth audio streaming. Neither phone supports aptX Adaptive, aptX Lossless, or has a built-in radio.

In summary, the F31 Pro 5G offers more advanced audio codec support for wireless audio, while the K13x 5G stands out with the inclusion of a 3.5 mm audio jack, which may appeal to users who prefer wired audio connections.

Both the Oppo F31 Pro 5G and Oppo K13x 5G support 5G connectivity and offer dual SIM card support. The F31 Pro 5G supports a wider range of Wi-Fi versions, including Wi-Fi 4, Wi-Fi 5, and Wi-Fi 6, while the K13x 5G is limited to Wi-Fi 4 and Wi-Fi 5. In terms of Bluetooth, both devices feature Bluetooth 5.4, but the F31 Pro 5G has additional connectivity features such as NFC, which the K13x 5G lacks.

Both phones support USB Type-C and have USB version 2. The F31 Pro 5G offers a download speed of 3270 MBits/s, while the K13x 5G has a slightly higher download speed of 3300 MBits/s. Both phones are equipped with a fingerprint scanner, and both have GPS and compass functionality. The F31 Pro 5G also supports Galileo, which is not mentioned for the K13x 5G.

The F31 Pro 5G includes additional sensors such as an infrared sensor and a gyroscope, which the K13x 5G lacks. Both devices support motion tracking, optical tracking, and have a cellular module, but neither supports a barometer, HDMI output, 3D facial recognition, or iris scanning. Neither device includes a stylus or a built-in projector.

Both the Oppo F31 Pro 5G and Oppo K13x 5G are equipped with a video light, which can help improve lighting when recording videos in low-light environments. Neither phone features sapphire glass displays, curved displays, or e-paper displays, meaning both devices use traditional flat displays without the added benefits of these specialized features.

In summary, the Oppo F31 Pro 5G and Oppo K13x 5G are quite similar in terms of their miscellaneous features, with both offering a video light but lacking sapphire glass, curved, or e-paper displays.