Xiaomi Poco F7 Ultra VS Xiaomi Redmi K90 Pro Max

The Xiaomi Poco F7 Ultra and the Xiaomi Redmi K90 Pro Max both come with waterproof capabilities, each boasting an IP68 Ingress Protection rating, ensuring strong resistance to dust and water immersion. However, their physical dimensions differ slightly. The Poco F7 Ultra weighs 212 g, while the Redmi K90 Pro Max is slightly heavier at 218 g. In terms of thickness, the Poco F7 Ultra measures 8.4 mm, whereas the K90 Pro Max is thinner at 7.9 mm.

Looking at their size, the Poco F7 Ultra has a width of 75 mm and a height of 160.3 mm, which makes it a bit smaller overall compared to the K90 Pro Max, which is 77.8 mm wide and 163.3 mm tall. This gives the K90 Pro Max a slightly larger footprint.

When comparing volume, the Poco F7 Ultra has a volume of 100.989 cm³, while the K90 Pro Max is just slightly smaller at 100.367446 cm³. Both phones are not designed to be rugged or foldable, meaning they prioritize sleek designs over additional durability features.

Both the Xiaomi Poco F7 Ultra and Xiaomi Redmi K90 Pro Max feature OLED/AMOLED displays with impressive specifications. The Poco F7 Ultra has a 6.67″ screen, while the Redmi K90 Pro Max offers a slightly larger 6.9″ display. Despite the larger size, the Poco F7 Ultra has a higher pixel density of 526 ppi compared to the K90 Pro Max's 416 ppi, which results in sharper visuals on the Poco F7 Ultra's display.

In terms of resolution, the Poco F7 Ultra again takes the lead with a higher resolution of 1440 x 3200 px, while the K90 Pro Max has a lower resolution of 1200 x 2608 px. Both devices feature a 120Hz refresh rate and a 480Hz touch sampling rate, providing smooth interactions and responsiveness.

Both phones come with a range of advanced display features, including branded damage-resistant glass, support for HDR10, HDR10+, Dolby Vision, and Always-On Display functionality. Neither device has a secondary screen, and both have touch screens for interaction. These specifications are closely aligned, showing that both phones offer a premium viewing experience with high-quality visual enhancements.

The Xiaomi Poco F7 Ultra and the Xiaomi Redmi K90 Pro Max both offer powerful performance specifications, though with notable differences. Both phones feature 16GB of RAM and use the same Adreno 830 GPU, but their other performance characteristics vary. The Poco F7 Ultra is powered by a Qualcomm Snapdragon 8 Elite chipset with a CPU clocked at 2 x 4.32 GHz and 6 x 3.53 GHz, while the K90 Pro Max has a Snapdragon 8 Elite Gen 5 chipset with a slightly faster CPU at 2 x 4.6 GHz and 6 x 3.62 GHz.

In terms of benchmark scores, the Poco F7 Ultra scores 2,580,490 on AnTuTu and 8,887 in Geekbench 6 multi-core, with a single-core score of 2,970. The Redmi K90 Pro Max outperforms it with an AnTuTu score of 4,350,000, a Geekbench 6 multi-core score of 10,059, and a single-core score of 3,234. The K90 Pro Max also has a slightly higher GPU clock speed at 1,200 MHz, compared to the Poco F7 Ultra’s 1,100 MHz.

Both devices use the same 3 nm semiconductor size and support 64-bit architecture, with similar RAM speed (5300 MHz), maximum memory bandwidth (85.1 GB/s), and both support ECC memory. The thermal design power (TDP) is the same at 8.2W for both models, and they share the same cache sizes: 12 MB L2, 192 KB L1, and 8 MB L3. While both phones support multithreading, HMP, and have integrated LTE, the Poco F7 Ultra offers 512GB of internal storage, while the K90 Pro Max has a larger 1TB of internal storage.

The Xiaomi Poco F7 Ultra and Xiaomi Redmi K90 Pro Max both feature impressive camera setups, though with some key differences. The Poco F7 Ultra has a triple main camera system with 50 MP, 50 MP, and 32 MP sensors, while the K90 Pro Max also has a triple main camera setup, but with 50 MP sensors for all three lenses. The wide apertures for the Poco F7 Ultra are 1.6f, 2f, and 2.2f, while the K90 Pro Max's main cameras have apertures of 1.7f, 2.4f, and 3f.

For video recording, both phones support 4320 x 24 fps, but the K90 Pro Max can record at 4320 x 30 fps, offering a slightly higher frame rate. Both phones have optical image stabilization and phase-detection autofocus for photos. The Poco F7 Ultra features 2.5x optical zoom, while the K90 Pro Max offers a stronger 5x optical zoom. Additionally, the K90 Pro Max includes laser autofocus, which the Poco F7 Ultra does not.

Both devices have a 32 MP front camera, but neither features a front-facing LED flash. The Poco F7 Ultra supports shooting raw images, while the K90 Pro Max does not. Both phones allow for in-camera panoramas, have a timelapse function, and support manual controls like ISO and white balance. Neither device supports HDR10 or Dolby Vision recording, and both phones lack 3D photo/video recording capabilities. Overall, the two phones offer similar features but differ in zoom capabilities and video frame rates.

The Xiaomi Poco F7 Ultra and the Xiaomi Redmi K90 Pro Max both run Android, with the Poco F7 Ultra using Android 15 and the K90 Pro Max running Android 16. Both devices come with a suite of similar privacy and customization features, including clipboard warnings, location privacy options, camera/microphone privacy options, and theme customization. They also support blocking app tracking and offer on-device machine learning, notification permissions, and media picker features.

Both phones have dark mode, can play games while they download, and feature battery health check and extra dim modes. Neither device has Wi-Fi password sharing, focus modes, or quick start features, and both allow app offloading. They also support features like full-page screenshots, split-screen multitasking, and PiP (Picture in Picture) mode. Additionally, both phones support customizable notifications, Live Text, and a child lock, and they both offer widgets and offline voice recognition.

While both devices share many similar capabilities, there are a few subtle differences. Notably, the Poco F7 Ultra tracks the current position of a mobile device, while the K90 Pro Max does not mention this feature explicitly. Additionally, both phones are free and open-source and support multi-user systems, but neither can be used as a PC. Neither device receives direct OS updates, and both lack Mail Privacy Protection and support for HDR10 recording or Dolby Vision recording.

The Xiaomi Poco F7 Ultra and Xiaomi Redmi K90 Pro Max both feature large batteries, but with some differences in capacity and charging capabilities. The Poco F7 Ultra has a 5300 mAh battery, while the K90 Pro Max comes with a larger 7560 mAh battery. Both devices support wireless charging at a speed of 50W, but the Poco F7 Ultra offers faster wired charging at 120W, compared to the K90 Pro Max's 100W charging speed.

Neither phone has a removable battery, but both feature rechargeable batteries and a battery level indicator. The K90 Pro Max also has the additional feature of reverse wireless charging, which the Poco F7 Ultra lacks. Both phones support fast charging, and both provide the convenience of wireless charging, making them suitable for quick recharges.

In summary, while both devices offer strong battery performance, the K90 Pro Max has a larger capacity and reverse wireless charging, while the Poco F7 Ultra provides faster wired charging speed.

Both the Xiaomi Poco F7 Ultra and Xiaomi Redmi K90 Pro Max lack a 3.5 mm audio jack, so users will need to rely on wireless audio solutions. Both phones feature stereo speakers, ensuring a quality audio experience without headphones. The Poco F7 Ultra stands out with extensive support for high-quality audio codecs, including aptX, LDAC, aptX HD, aptX Adaptive, and aptX Lossless, providing a versatile and premium audio experience.

In contrast, the Redmi K90 Pro Max only supports the standard aptX codec and lacks support for LDAC, aptX HD, aptX Adaptive, or aptX Lossless, making its audio capabilities less diverse compared to the Poco F7 Ultra. Neither device includes a built-in radio.

Overall, while both devices offer stereo speakers, the Poco F7 Ultra offers a wider range of high-quality audio codec support, which may be preferred by users who prioritize audio performance with compatible wireless devices.

The Xiaomi Poco F7 Ultra and the Xiaomi Redmi K90 Pro Max offer similar connectivity features, with both supporting 5G and featuring dual SIM card slots. They also both have USB Type-C, NFC, and support Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), and Wi-Fi 7 (802.11be) for fast wireless connections. The download speed for both phones is 10000 MBits/s, and the upload speed is 3500 MBits/s.

Both devices also come with Bluetooth, but the Poco F7 Ultra supports Bluetooth version 6, while the K90 Pro Max uses Bluetooth 5.4. In terms of sensors, both phones include a gyroscope, accelerometer, infrared sensor, GPS, and compass. They also both feature a fingerprint scanner and have a cellular module, but neither has an HDMI output, a barometer, or motion/optical tracking features.

While both phones share many core connectivity features, the Poco F7 Ultra supports Bluetooth 6, which is newer than the Bluetooth 5.4 on the K90 Pro Max. Neither device supports external memory, 3D facial recognition, or has a built-in projector. Both devices also support Galileo and lack features like a heart rate monitor, crash detection, or emergency SOS via satellite.

Both the Xiaomi Poco F7 Ultra and the Xiaomi Redmi K90 Pro Max come with a video light, which can be useful for low-light video recording. Neither device features sapphire glass display protection, a curved display, or an e-paper display. These specifications are identical across both phones, meaning there are no differences in these areas between the two models.

In summary, while both phones include a video light, they share the same lack of advanced display features like sapphire glass, curved edges, and e-paper displays.