Realme GT8 (China) VS Xiaomi 15T 256GB

Both the Realme GT8 (China) and Xiaomi 15T 256GB offer waterproof protection, but with slight differences in their ratings. The Realme GT8 is rated with an IP69 ingress protection and a waterproof depth of 2 meters, while the Xiaomi 15T has an IP68 rating and can handle a depth of 3 meters.

In terms of weight, the Realme GT8 is slightly heavier at 209 g compared to the Xiaomi 15T's 194 g. The thickness of the Realme GT8 is 8.2 mm, which is a bit thicker than the Xiaomi 15T's 7.5 mm. The width of both devices is fairly close, with the Realme GT8 at 76.9 mm and the Xiaomi 15T at 78 mm, making the Xiaomi 15T marginally wider.

The Realme GT8 has a height of 161.8 mm, while the Xiaomi 15T is slightly taller at 163.2 mm. In terms of volume, the Realme GT8 takes up 102.03 cm³, whereas the Xiaomi 15T is a bit more compact with a volume of 95.47 cm³.

Both the Realme GT8 (China) and Xiaomi 15T 256GB feature OLED/AMOLED displays, but they differ slightly in other specifications. The Realme GT8 has a screen size of 6.79″, while the Xiaomi 15T is slightly larger at 6.83″. In terms of pixel density, the Realme GT8 offers 508 ppi, which is higher than the Xiaomi 15T's 435 ppi, making the Realme GT8's display sharper.

The Realme GT8 has a resolution of 1440 x 3136 px, providing a higher resolution compared to the Xiaomi 15T’s 1220 x 2712 px. The Realme GT8 also supports a faster refresh rate of 144Hz, whereas the Xiaomi 15T supports a 120Hz refresh rate. Both displays support HDR10 and HDR10+, as well as the Always-On Display feature.

The Xiaomi 15T, however, has branded damage-resistant glass and supports Dolby Vision, features that the Realme GT8 lacks. Both devices do not have a secondary screen and are equipped with touch screens.

The Realme GT8 (China) and Xiaomi 15T 256GB both have impressive performance specs, but with notable differences. The Realme GT8 boasts a larger internal storage of 1024GB, compared to the Xiaomi 15T’s 256GB. The Realme GT8 also comes with 16GB of RAM, while the Xiaomi 15T has 12GB of RAM.

When it comes to processing power, the Realme GT8 is equipped with the Qualcomm Snapdragon 8 Elite chipset, with a CPU that features a combination of 2 cores running at 4.32 GHz and 6 cores running at 3.53 GHz. The Xiaomi 15T uses the MediaTek Dimensity 8400 chipset, which has a CPU configuration of 1 core at 3.25 GHz, 3 cores at 3 GHz, and 4 cores at 2.15 GHz.

In terms of performance benchmarks, the Realme GT8 performs better with Geekbench 6 results of 10059 (multi-core) and 3234 (single-core), while the Xiaomi 15T scores 6033 (multi-core) and 1571 (single-core). The Realme GT8 also has a higher GPU clock speed at 1100 MHz compared to the Xiaomi 15T’s 1300 MHz, although the Xiaomi device uses the Mali G720 MC7 GPU, while the Realme features the Adreno 830 GPU. Other specs such as RAM speed (5300 MHz vs. 4267 MHz), memory bandwidth (85.1 GB/s vs. 68.2 GB/s), and L2 cache (12 MB vs. 1 MB) further highlight the differences in performance capabilities. Both devices support 64-bit processing, DirectX 12, OpenGL ES 3.2, and big.LITTLE technology, and have integrated graphics. The Realme GT8 uses a 3 nm semiconductor size, while the Xiaomi 15T uses a 4 nm semiconductor size. Both devices also have a maximum memory amount of 24GB and DDR5 memory.

The Realme GT8 (China) and Xiaomi 15T 256GB both feature multiple lenses for their main cameras, but with different configurations. The Realme GT8 has a triple-camera setup with 50 MP, 50 MP, and 8 MP sensors, while the Xiaomi 15T has a 50 MP, 50 MP, and 12 MP setup. The Realme GT8's main camera has a wide aperture of 1.8f, 2.8f, and 2.2f, whereas the Xiaomi 15T's apertures are slightly wider at 1.7f, 1.9f, and 2.2f. Both phones support phase-detection autofocus for photos and continuous autofocus when recording videos, but only the Realme GT8 has optical zoom, with a 3.5x zoom compared to the Xiaomi 15T's 2x optical zoom.

For video recording, the Realme GT8 supports 4320 x 30 fps resolution, while the Xiaomi 15T records at 2160 x 60 fps, offering smoother video playback. Both phones have a dual-tone LED flash, but the Realme GT8 features two flash LEDs, while the Xiaomi 15T has only one. Both devices support slow-motion video recording, a built-in HDR mode, and manual exposure controls. However, the Xiaomi 15T supports HDR10 recording, while the Realme GT8 does not.

The Realme GT8 has a 16 MP front camera with a 2.4f aperture, while the Xiaomi 15T has a higher-resolution 32 MP front camera with a 2.2f aperture. Neither phone has a front-facing LED flash, and both devices can create panoramas in-camera. The Realme GT8 supports shooting raw photos, while the Xiaomi 15T does not. Both phones offer manual white balance, but only the Realme GT8 supports laser autofocus on its front camera, while the Xiaomi 15T does not. Neither device supports 360° panorama shooting or Dolby Vision recording.

The Realme GT8 (China) and Xiaomi 15T 256GB both run on Android 16, offering similar features across the board. Both devices provide clipboard warnings, location privacy options, and camera/microphone privacy controls. They also share the ability to block app tracking, support theme customization, and offer on-device machine learning. Both phones allow customizable notifications, have dark mode, and support split screen functionality.

Other similarities include features like a media picker, Live Text, full-page screenshots, PiP (Picture-in-Picture), offloading apps, and offline voice recognition. Both devices are multi-user systems, track the mobile device's current position, and include voice commands. Neither device supports Quick Start, but both have battery health checks, an extra dim mode, and dynamic theming.

While the features are largely identical between the two, the Realme GT8 has a child lock and is free and open source, which the Xiaomi 15T also shares. However, the Xiaomi 15T has no additional specifications listed that the Realme GT8 does not have.

The Realme GT8 (China) and Xiaomi 15T 256GB differ in their battery power and charging capabilities. The Realme GT8 comes with a larger 7000 mAh battery, while the Xiaomi 15T has a smaller 5500 mAh battery. Both devices do not support wireless charging and lack reverse wireless charging capabilities.

Both phones support fast charging, with the Realme GT8 supporting a faster charging speed of 100W compared to the Xiaomi 15T’s 67W. Both devices come with a charger included in the box, have non-removable rechargeable batteries, and feature battery level indicators.

There are no major differences in other battery-related features, as both devices have rechargeable batteries and do not feature removable batteries.

Both the Realme GT8 (China) and Xiaomi 15T 256GB lack a socket for a 3.5 mm audio jack. However, both devices feature stereo speakers for audio output. Neither device supports aptX, LDAC, aptX Adaptive, aptX Lossless, or has a radio. The Realme GT8 does support aptX HD, which the Xiaomi 15T does not.

Overall, the audio features are quite similar between the two devices, with the main difference being that the Realme GT8 includes aptX HD support, while the Xiaomi 15T does not.

Both the Realme GT8 (China) and Xiaomi 15T 256GB support 5G and offer dual SIM card functionality. In terms of Wi-Fi, the Realme GT8 supports Wi-Fi 4, 5, 6, and the latest Wi-Fi 7, while the Xiaomi 15T supports Wi-Fi 4, 5, and 6E. Both devices have USB Type-C and NFC, along with Bluetooth version 6. The Realme GT8 has a higher download speed of 10000 MBits/s, compared to the Xiaomi 15T's 5170 MBits/s.

Both devices have fingerprint scanners, NFC, GPS, a compass, accelerometers, and cellular modules. However, neither device supports external memory, has a barometer, HDMI output, 3D facial recognition, or an iris scanner. The Realme GT8 includes an infrared sensor, while the Xiaomi 15T does not. Both devices also support Galileo but lack motion tracking, optical tracking, or a built-in projector.

Other than the differences in Wi-Fi version and download speed, both devices share many common connectivity features, such as support for the same Bluetooth version, fingerprint scanners, and GPS, with minor variations in sensor support.

Both the Realme GT8 (China) and Xiaomi 15T 256GB come with a video light, which can be useful for low-light video recording. Neither device features sapphire glass displays, curved displays, or e-paper displays. The specifications for these features are identical across both devices.

Overall, there are no differences in the miscellaneous features between the two devices, as both offer the same capabilities in this area.