OnePlus Ace 6 VS Xiaomi Redmi K90

Both the OnePlus Ace 6 and the Xiaomi Redmi K90 are waterproof, with the OnePlus offering an Ingress Protection (IP) rating of IP69, while the Xiaomi has an IP68 rating. This means the OnePlus has a slightly higher level of protection against dust and water ingress, though both phones can handle immersion up to 1.5 meters of depth.

In terms of physical size, the OnePlus Ace 6 is a bit heavier at 213 g, compared to the 206 g of the Xiaomi Redmi K90. The OnePlus is also slightly thicker at 8.3 mm, while the Xiaomi is 8 mm thick. In terms of width, the OnePlus is 77 mm, a bit wider than the Xiaomi's 75.3 mm. The height of the OnePlus is 163.4 mm, compared to the Xiaomi’s 157.5 mm, making the OnePlus taller as well.

The volume of the OnePlus Ace 6 is 104.43 cm³, which is noticeably larger than the Xiaomi's 94.88 cm³. Both phones do not feature a rugged build and are not foldable, with these specs being the same for both devices.

The OnePlus Ace 6 and Xiaomi Redmi K90 both feature OLED/AMOLED displays, ensuring vibrant colors and deep blacks. However, their screen sizes differ: the OnePlus has a larger 6.83″ display, while the Xiaomi's screen measures 6.59″. The pixel density is also slightly higher on the OnePlus at 450 ppi, compared to the Xiaomi's 419 ppi, resulting in a sharper image on the OnePlus display.

In terms of resolution, the OnePlus offers a higher 1272 x 2800 px resolution, while the Xiaomi comes in at 1156 x 2510 px. This gives the OnePlus a more detailed screen, especially in terms of width. When it comes to refresh rate, the OnePlus Ace 6 supports a very smooth 165Hz, while the Xiaomi is limited to 120Hz, providing a less fluid experience in fast-moving content.

Both devices offer a similar typical brightness of 800 nits for the OnePlus and 3500 nits for the Xiaomi, though the value for the Xiaomi appears to be unusually high and might not represent typical usage. Both support HDR10 and HDR10+ for high dynamic range content, Dolby Vision, and Always-On Display. They also feature branded damage-resistant glass and have touch screens, with neither phone offering a secondary screen.

The OnePlus Ace 6 and Xiaomi Redmi K90 have identical performance specs, both equipped with 1024GB of internal storage and 16GB of RAM. They also share the same Qualcomm Snapdragon 8 Elite chipset, Adreno 830 GPU, and CPU configuration, which includes 2 high-performance cores running at 4.32 GHz and 6 efficiency cores at 3.53 GHz. Both phones have the same Geekbench 6 results: 10,059 for multi-core and 3,234 for single-core performance.

The GPU clock speed is also identical at 1100 MHz for both devices, and both feature the same RAM speed of 5300 MHz and the same 3 nm semiconductor size. Additionally, both support 64-bit processing, integrated LTE, and use big.LITTLE technology with 8 CPU threads and HMP. Memory bandwidth is the same at 85.1 GB/s, and both phones support a maximum memory amount of 24GB.

Other shared features include the same OpenGL and OpenGL ES versions (3.2), DirectX 12 support, multithreading capabilities, and a GPU turbo speed of 1100 MHz. Both devices also feature a thermal design power (TDP) of 8.2W and use DDR5 memory. L1 and L2 cache sizes are the same, at 192 KB and 12 MB, respectively, while L3 cache is 8 MB. Both phones also support two displays and have integrated graphics. The Xiaomi Redmi K90 and OnePlus Ace 6 are virtually identical in terms of performance specifications.

The OnePlus Ace 6 and Xiaomi Redmi K90 both feature dual-lens main cameras, but with different configurations. The OnePlus has a 50 MP and 8 MP setup, with apertures of f/2.2 and f/1.8, while the Xiaomi boasts a 50 MP, 50 MP, and 8 MP configuration, with aperture values of f/1.9, f/2.2, and f/2.2. Both phones support phase-detection autofocus, continuous autofocus when recording movies, and have the ability to shoot slow-motion video. However, the Xiaomi’s main camera offers optical zoom at 2.5x, which the OnePlus does not, as it has a 0x optical zoom.

For video recording, the OnePlus Ace 6 can shoot at 2160 x 30 fps, while the Xiaomi can capture at a higher resolution of 4320 x 30 fps. The OnePlus supports Dolby Vision recording and HDR10 recording, but the Xiaomi does not support these features. Both phones include manual exposure, manual ISO, and the ability to shoot raw images. They also both have the capability to create panoramas in-camera, with the Xiaomi’s main camera having a wider focal range, from 15 mm to 60 mm, compared to the OnePlus’s 16 mm to 24 mm range.

The front cameras also differ, with the OnePlus having a 16 MP front camera and the Xiaomi offering a 20 MP front camera. Both front cameras lack a front-facing LED flash and are single-lens setups. The OnePlus has a built-in optical image stabilization feature, while the Xiaomi does not. Both phones include features like touch autofocus, manual white balance, and the ability to create time-lapse videos. Neither phone has 360° photo/video capabilities, a dual-lens front camera, or a front-facing camera under the display.

Both the OnePlus Ace 6 and Xiaomi Redmi K90 run Android 16, offering similar features in terms of privacy and customization. Both devices include clipboard warnings, location privacy options, camera/microphone privacy options, and theme customization. They also support blocking app tracking and offer on-device machine learning. Additionally, both phones have dark mode, dynamic theming, customizable notifications, Live Text, full-page screenshots, split screen, and PiP (Picture-in-Picture) mode.

In terms of battery health, both phones support a health check, extra dim mode, and offloading apps. Neither phone offers Wi-Fi password sharing, focus modes, or Quick Start features. Both phones also lack Mail Privacy Protection, cross-site tracking blocking, and support for direct OS updates. While both support widgets, voice commands, and offline voice recognition, neither phone can be used as a PC, and both have child lock features.

There are no major differences in the operating system features between the OnePlus Ace 6 and the Xiaomi Redmi K90. Both phones support multi-user systems, track the current position of a mobile device, and have sharing intents. The Xiaomi device does have a slightly different focus on features, but overall, the OS experience is quite similar between the two.

The OnePlus Ace 6 and Xiaomi Redmi K90 both feature large batteries, though the OnePlus has a larger 7800 mAh battery compared to the 7100 mAh battery of the Xiaomi. In terms of charging capabilities, the OnePlus supports faster charging with 120W fast charging, while the Xiaomi supports 100W fast charging. The OnePlus also offers wireless charging, a feature the Xiaomi lacks. However, the Xiaomi includes reverse wireless charging, which the OnePlus does not.

Both phones have rechargeable, non-removable batteries and include a battery level indicator, ensuring users can easily monitor battery status. Neither device offers a removable battery. The OnePlus supports fast charging but lacks reverse wireless charging, while the Xiaomi supports reverse wireless charging but charges slightly slower.

Overall, both devices are well-equipped in terms of battery features, with the main differences being the OnePlus’s faster charging speed and wireless charging support, while the Xiaomi offers reverse wireless charging.

Both the OnePlus Ace 6 and Xiaomi Redmi K90 lack a 3.5 mm audio jack, which may be a consideration for users who prefer wired headphones. However, both devices are equipped with stereo speakers for an enhanced audio experience. When it comes to wireless audio, the OnePlus Ace 6 supports aptX HD, aptX Adaptive, and lacks aptX Lossless and LDAC, while the Xiaomi only supports aptX. Notably, the OnePlus offers more advanced Bluetooth audio codecs, including aptX HD and aptX Adaptive, which can improve sound quality and connection stability over wireless.

Neither phone supports LDAC or aptX Lossless, and neither has a built-in radio. In terms of Bluetooth audio technology, the OnePlus Ace 6 provides more options for higher-quality wireless audio streaming compared to the Xiaomi, but both phones are relatively similar in most other aspects of audio features.

Overall, the key difference is the OnePlus Ace 6’s inclusion of more aptX variants, which might offer a more refined wireless audio experience compared to the Xiaomi Redmi K90’s more basic aptX support.

Both the OnePlus Ace 6 and Xiaomi Redmi K90 offer similar connectivity and feature sets, supporting 5G, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), and Wi-Fi 7 (802.11be), as well as Bluetooth 5.4. Both devices also support two SIM cards, USB Type-C, and NFC, ensuring robust connectivity options. The OnePlus has USB version 2, while the Xiaomi supports the faster USB version 3.2.

Regarding additional features, both devices are equipped with a fingerprint scanner, GPS, a compass, a gyroscope, and an infrared sensor. They also share support for Galileo and include accelerometers and cellular modules. Neither phone includes a barometer, HDMI output, 3D facial recognition, an iris scanner, or a stylus. Both devices have emergency SOS via satellite, crash detection, DLNA certification, motion tracking, and optical tracking absent.

Overall, both the OnePlus Ace 6 and Xiaomi Redmi K90 are similarly equipped with essential connectivity features and sensors, with the main difference being the Xiaomi's more advanced USB version 3.2, while the OnePlus uses USB 2.

Both the OnePlus Ace 6 and Xiaomi Redmi K90 include a video light, which can be useful for enhancing video quality in low-light conditions. Neither device features sapphire glass displays, curved displays, or e-paper displays, so both phones share similar display characteristics in these regards.

Overall, there are no significant differences between the two phones in this group, as both devices offer the same features related to display design and video lighting.

In summary, the OnePlus Ace 6 and Xiaomi Redmi K90 have almost identical specifications for these miscellaneous features, with both devices offering video lights but lacking advanced display technologies like sapphire glass or curved screens.