Oppo F31 5G VS Vivo Y400 5G

The Oppo F31 5G and Vivo Y400 5G both feature waterproof designs, with an IP68 rating, meaning they can both withstand dust and submersion in water. However, there is a slight difference in their waterproof depth ratings. The Oppo F31 5G can be submerged up to 1.5 meters, while the Vivo Y400 5G offers a deeper waterproof rating of 2 meters.

In terms of size and weight, the Oppo F31 5G is slightly lighter, weighing 185 g, compared to the Vivo Y400 5G, which weighs 197 g. The Oppo F31 5G is also a little shorter and thinner, with a height of 158.2 mm and a thickness of 8 mm, while the Vivo Y400 5G stands at 162.3 mm tall and has a thickness of 7.9 mm. The difference in size results in a marginally smaller volume for the Oppo F31 5G, at 94.92 cm³, versus the Vivo Y400 5G's 96.55 cm³.

Neither phone has a rugged build or the ability to fold, but both share a similar width of around 75 mm, with the Vivo Y400 5G being slightly wider at 75.3 mm.

Both the Oppo F31 5G and Vivo Y400 5G feature OLED/AMOLED displays, offering vibrant colors and deep contrasts. The Oppo F31 5G has a 6.57-inch screen with a pixel density of 397 ppi and a resolution of 1080 x 2372 px. In comparison, the Vivo Y400 5G has a slightly larger 6.67-inch display with a resolution of 1080 x 2400 px, resulting in a slightly lower pixel density of 395 ppi.

Both displays support a 120Hz refresh rate, ensuring smooth scrolling and responsiveness. However, there is a noticeable difference in brightness levels. The Oppo F31 5G reaches a typical brightness of 600 nits, while the Vivo Y400 5G is significantly brighter at 1200 nits.

The Oppo F31 5G benefits from branded damage-resistant glass, but the Vivo Y400 5G does not have this feature. When it comes to HDR support, the Oppo F31 5G does not support HDR10, HDR10+, or Dolby Vision, whereas the Vivo Y400 5G supports HDR10, but not HDR10+ or Dolby Vision. Both phones have touch screens, and neither has a secondary screen.

Both the Oppo F31 5G and Vivo Y400 5G come with 256GB of internal storage and 8GB of RAM, providing ample space and memory for most users. However, the two devices differ in their chipset and performance components. The Oppo F31 5G is powered by the MediaTek Dimensity 6300, with a CPU consisting of 2 high-performance cores running at 2.4 GHz and 6 efficiency cores at 2 GHz. In contrast, the Vivo Y400 5G features the Qualcomm Snapdragon 4 Gen 2 chipset, with a slightly lower CPU speed of 2.3 GHz for the high-performance cores and 2 GHz for the efficiency cores.

The GPU in the Oppo F31 5G is the Arm Mali-G57 MC2, with a clock speed of 950 MHz, while the Vivo Y400 5G is equipped with the Adreno 613 GPU, clocked at 955 MHz. Both devices support integrated graphics. The Oppo F31 5G has a RAM speed of 2133 MHz, while the Vivo Y400 5G offers faster RAM at 3200 MHz, providing a potential performance edge in tasks that rely on memory bandwidth.

Another key difference lies in the semiconductor size, where the Oppo F31 5G uses a 6 nm process, while the Vivo Y400 5G uses a more advanced 4 nm process. This may imply better power efficiency and performance in the Vivo Y400 5G. Additionally, the Oppo F31 5G supports a maximum of 12GB of RAM, whereas the Vivo Y400 5G can handle up to 16GB of RAM, offering greater potential for multitasking and demanding applications. Both phones support 64-bit architecture, DirectX 12, and big.LITTLE technology, and both have 8 CPU threads, ensuring modern performance capabilities.

The Oppo F31 5G and Vivo Y400 5G both feature a dual-lens main camera setup, with a 50 MP primary sensor and a 2 MP secondary sensor. The wide aperture for both cameras is also identical, with f/2.4 for the main lens and f/1.8 for the secondary lens. However, the front camera differs significantly in megapixel count. The Oppo F31 5G has a 16 MP front camera, while the Vivo Y400 5G boasts a higher 32 MP front camera.

Both phones offer a range of advanced camera features, such as continuous autofocus during video recording, phase-detection autofocus for photos, and support for slow-motion video. Both also feature a built-in HDR mode, manual exposure settings, manual ISO, and the ability to create panoramas in-camera. They both have CMOS sensors, touch autofocus, and a flash, although neither device offers a front-facing LED flash. Additionally, both phones support timelapse functionality and have manual white balance controls.

When it comes to video recording, the Oppo F31 5G offers 4K video at 30 fps, while the Vivo Y400 5G is limited to 1080p at 30 fps. Neither phone supports HDR10 or Dolby Vision recording. Neither device has a dual-lens or multi-lens front camera, and neither has the ability to shoot 360° panoramas or has laser autofocus. Both phones also lack a front-facing camera under the display or 3D photo/video recording capabilities.

Both the Oppo F31 5G and Vivo Y400 5G run Android 15 and share a very similar set of features in their operating systems. These include clipboard warnings, location and camera/microphone privacy options, theme customization, the ability to block app tracking, on-device machine learning, notification permissions, media picker, and game downloads while playing. Both phones also offer dark mode, battery health check, extra dim mode, dynamic theming, app offloading, customizable notifications, Live Text, full-page screenshots, and split screen support.

Both devices include picture-in-picture (PiP) support, voice recognition, voice commands, the ability to track the current position of the device, and multi-user system capabilities. They also support widgets, are free and open source, and provide child lock features. Neither device supports Wi-Fi password sharing, focus modes, or Quick Start, and neither can be used as a PC.

Where the two phones match completely, they also both lack direct OS updates and do not have support for Mail Privacy Protection or cross-site tracking blocking. The key difference is that both phones have the same operating system features, and there are no unique OS functionalities in one device that the other lacks.

The Oppo F31 5G and Vivo Y400 5G both feature large, non-removable rechargeable batteries, but there are a few key differences. The Oppo F31 5G is equipped with a 7000 mAh battery, while the Vivo Y400 5G has a slightly smaller 6000 mAh battery.

Both phones support fast charging, though the Oppo F31 5G offers a charging speed of 80W, whereas the Vivo Y400 5G supports a faster 90W charging speed. Neither device supports wireless charging, and both include a battery level indicator to keep track of charge.

Overall, the main difference in battery specs lies in the battery size and charging speed, with the Oppo F31 5G having a larger battery but a slightly slower charging speed compared to the Vivo Y400 5G's faster charging capabilities.

Both the Oppo F31 5G and Vivo Y400 5G lack a 3.5 mm audio jack, so users will need to use wireless headphones or adapters for wired audio. Both devices come with stereo speakers, providing a more immersive sound experience.

The Oppo F31 5G supports a variety of advanced Bluetooth audio codecs, including aptX, aptX HD, and LDAC, which can enhance audio quality when paired with compatible devices. The Vivo Y400 5G, on the other hand, does not support any of these advanced audio codecs, including aptX or LDAC.

Neither phone has a built-in radio, and neither supports aptX Adaptive or aptX Lossless. This means the Oppo F31 5G has a slight advantage in terms of high-quality audio codec support, while the Vivo Y400 5G offers a more basic audio experience in comparison.

Both the Oppo F31 5G and Vivo Y400 5G offer 5G support, dual SIM capability, and NFC, ensuring strong connectivity features. Both phones also include USB Type-C ports with USB version 2, and support Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac). While both have Bluetooth support, the Oppo F31 5G features Bluetooth version 5.4, whereas the Vivo Y400 5G supports Bluetooth version 5.

The Oppo F31 5G has a faster download speed of 3300 MBit/s, compared to the Vivo Y400 5G's 2500 MBit/s. Both phones feature fingerprint scanners, GPS, a compass, and an accelerometer, but the Vivo Y400 5G has the added advantage of a gyroscope, which the Oppo F31 5G lacks. Neither phone has a barometer, HDMI output, infrared sensor, 3D facial recognition, or an iris scanner, and both lack a built-in projector.

Both phones support Galileo, but neither has motion tracking or optical tracking capabilities. Both have a cellular module, but neither supports ANT+, crash detection, or emergency SOS via satellite. Additionally, neither device offers an external memory slot or supports a stylus.

Both the Oppo F31 5G and Vivo Y400 5G feature a video light, which can help illuminate subjects in low-light conditions when recording video. Neither device has sapphire glass display protection, nor do they have an e-paper display.

The Oppo F31 5G and Vivo Y400 5G differ when it comes to their display design. The Oppo F31 5G has a flat display, while the Vivo Y400 5G has a curved display, offering a more rounded visual experience.

Overall, the key differences in this category are the display types, with the Vivo Y400 5G having the curved design and the Oppo F31 5G sticking to a flat screen.