Realme GT8 (China) VS Xiaomi 15T

The Realme GT8 (China) and Xiaomi 15T both feature waterproof designs, with both models boasting impressive Ingress Protection (IP) ratings. The Realme GT8 has an IP69 rating, offering protection against dust and the ability to withstand high-pressure water jets, while the Xiaomi 15T has an IP68 rating, which ensures protection against dust and immersion in water up to 3 meters deep.

In terms of weight, the Realme GT8 weighs 209 g, while the Xiaomi 15T is lighter at 194 g, making the Xiaomi model the slightly more portable of the two. As for size, the Realme GT8 has a width of 76.9 mm, a height of 161.8 mm, and a thickness of 8.2 mm. In comparison, the Xiaomi 15T is slightly larger with a width of 78 mm, a height of 163.2 mm, and a thinner profile at 7.5 mm.

Both phones share the characteristic of not having a rugged build and are not foldable. The Realme GT8 has a larger volume of 102.03 cm³ compared to the Xiaomi 15T's 95.47 cm³, which reflects its slightly bulkier design. When it comes to waterproof depth, the Realme GT8 is rated for 2 meters, while the Xiaomi 15T can handle depths of up to 3 meters, offering slightly better protection in aquatic environments.

The displays on the Realme GT8 (China) and Xiaomi 15T share several similar features but also have distinct differences. Both models use OLED/AMOLED screens, providing vibrant colors and deep blacks. The Realme GT8 has a screen size of 6.79″, while the Xiaomi 15T's screen is slightly larger at 6.83″. The Realme GT8 offers a higher pixel density of 508 ppi compared to the Xiaomi 15T's 435 ppi, which results in sharper visuals on the Realme device.

In terms of resolution, the Realme GT8 features a higher resolution of 1440 x 3136 px, whereas the Xiaomi 15T has a resolution of 1220 x 2712 px, giving the Realme device a clearer display. Both models support HDR10 and HDR10+, providing enhanced dynamic range for content, and both have an Always-On Display feature. However, the Xiaomi 15T also supports Dolby Vision, which the Realme GT8 does not.

When it comes to refresh rates, the Realme GT8 supports a 144Hz refresh rate, while the Xiaomi 15T supports a 120Hz refresh rate. This gives the Realme GT8 an advantage in terms of smoother animations and responsiveness. The Xiaomi 15T does feature branded damage-resistant glass, which is not present on the Realme GT8. Neither device has a secondary screen, and both models include touch screens.

The Realme GT8 (China) and Xiaomi 15T are both powerful devices, though they have some notable differences in their performance specs. The Realme GT8 features 1024GB of internal storage and 16GB of RAM, significantly more than the Xiaomi 15T's 512GB of storage and 12GB of RAM. This means the Realme model offers more room for apps and data, along with better multitasking capability thanks to its larger RAM capacity.

In terms of processing power, the Realme GT8 is equipped with a Qualcomm Snapdragon 8 Elite chipset, paired with an Adreno 830 GPU, which runs at a GPU clock speed of 1100 MHz. The Xiaomi 15T, on the other hand, uses the MediaTek Dimensity 8400 chipset with a Mali G720 MC7 GPU that has a clock speed of 1300 MHz. The Realme GT8's CPU speed consists of 2 cores running at 4.32 GHz and 6 cores at 3.53 GHz, while the Xiaomi 15T’s CPU has 1 core at 3.25 GHz, 3 cores at 3.00 GHz, and 4 cores at 2.15 GHz.

When it comes to benchmarking, the Realme GT8 outperforms the Xiaomi 15T in both Geekbench 6 multi-core (10,059 vs 6,033) and single-core (3,234 vs 1,571) tests. The Realme GT8 also benefits from a larger L2 cache of 12 MB compared to the Xiaomi 15T’s 1 MB. However, the Xiaomi 15T has an advantage in memory channels, offering 4 compared to the Realme GT8's 2, which may benefit certain types of data processing. Both devices support 64-bit architecture, have integrated graphics, and utilize big.LITTLE technology with 8 CPU threads, HMP, and TrustZone. The Realme GT8 offers a higher maximum memory bandwidth of 85.1 GB/s, compared to the Xiaomi 15T’s 68.2 GB/s.

The Realme GT8 (China) and Xiaomi 15T both feature multi-lens main cameras, but there are differences in their configurations. The Realme GT8 includes a 50 MP, 50 MP, and 8 MP setup, with a wide aperture of 1.8f, 2.8f, and 2.2f, respectively. The Xiaomi 15T's main camera is composed of a 50 MP, 50 MP, and 12 MP combination, with a slightly wider aperture of 1.7f, 1.9f, and 2.2f. The Realme GT8 offers 3.5x optical zoom, whereas the Xiaomi 15T offers a lower 2x optical zoom.

For the front camera, the Realme GT8 features a 16 MP sensor with a wide aperture of 2.4f, while the Xiaomi 15T has a higher 32 MP front camera with a 2.2f aperture. Neither phone has a front-facing LED flash, and both have a single-lens front camera. In terms of video recording, the Realme GT8 supports 4320 x 30 fps, while the Xiaomi 15T supports 2160 x 60 fps, providing a higher frame rate but at a lower resolution. The Realme GT8 also includes a dual-tone LED flash with two LEDs, while the Xiaomi 15T only has one LED and no dual-tone flash.

Both phones share several features such as CMOS sensors, continuous autofocus for movies, phase-detection autofocus for photos, and support for slow-motion video recording. The Realme GT8 has a built-in HDR mode, manual exposure, touch autofocus, and can create panoramas in-camera. The Xiaomi 15T also includes manual exposure, touch autofocus, and panorama creation, but it supports HDR10 recording, which the Realme GT8 does not. Both phones support raw image capture, but the Realme GT8 has manual ISO and white balance controls, whereas the Xiaomi 15T lacks raw image support and a timelapse function.

The Realme GT8 (China) and Xiaomi 15T both run Android 16 and share a wide range of similar operating system features. Both devices include clipboard warnings, location privacy options, camera/microphone privacy options, and the ability to block app tracking. They also both offer theme customization, on-device machine learning, notification permissions, media picker, dark mode, and the ability to play games while they download. Additionally, both phones have battery health check, extra dim mode, dynamic theming, customizable notifications, Live Text, full-page screenshots, and support for split screen.

Both devices also support PiP (Picture-in-Picture), offline voice recognition, voice commands, tracking the current position of the mobile device, and are multi-user systems. Neither device has Quick Start, but they both feature child lock, widgets, and sharing intents. The Xiaomi 15T and Realme GT8 are both free and open source, and neither can be used as a PC.

There are a few small differences between the two devices. While both lack Wi-Fi password sharing, the Realme GT8 supports app offloading, which is not mentioned for the Xiaomi 15T. Additionally, the Realme GT8 has manual exposure and a flash for the front camera, while these features are absent from the Xiaomi 15T.

The Realme GT8 (China) and Xiaomi 15T have different battery capacities, with the Realme GT8 offering a larger 7000 mAh battery compared to the Xiaomi 15T's 5500 mAh battery. Both devices do not support wireless charging or reverse wireless charging. However, the Realme GT8 supports faster charging at 100W, while the Xiaomi 15T supports 67W fast charging, making the Realme model capable of charging faster.

Both phones come with a charger in the box, have non-removable rechargeable batteries, and include a battery level indicator. Neither device offers wireless charging or reverse wireless charging capabilities. Both phones also support fast charging, with the Realme GT8 having a higher charging speed of 100W compared to the Xiaomi 15T's 67W.

In terms of battery characteristics, both models feature rechargeable batteries, but the Realme GT8 offers a significantly larger battery power, which could result in longer usage times between charges compared to the Xiaomi 15T.

Both the Realme GT8 (China) and Xiaomi 15T lack a 3.5 mm audio jack, so users will need to rely on wireless headphones or adapters for wired audio. Both devices are equipped with stereo speakers for enhanced sound quality, ensuring good audio output through their built-in speakers. However, when it comes to audio codec support, the Realme GT8 supports aptX HD, while the Xiaomi 15T does not support any version of aptX (including aptX, aptX HD, aptX Adaptive, or aptX Lossless), making the Realme device the better option for high-quality Bluetooth audio streaming.

Neither phone supports LDAC, a high-resolution Bluetooth audio codec, nor do they feature a radio. In terms of wireless audio capabilities, the Realme GT8 has the advantage with its aptX HD support, which can deliver improved audio quality over Bluetooth compared to the Xiaomi 15T's lack of aptX support.

In summary, both phones offer stereo speakers and lack traditional wired audio options, but the Realme GT8 has a notable edge with its aptX HD support for better wireless audio quality.

Both the Realme GT8 (China) and Xiaomi 15T support 5G connectivity, and each is equipped with dual SIM card slots. When it comes to Wi-Fi, the Realme GT8 supports a broader range, including Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), and Wi-Fi 7 (802.11be), while the Xiaomi 15T supports Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), and Wi-Fi 6E (802.11ax). The Realme device has a higher download speed of 10,000 Mbit/s, compared to the Xiaomi 15T's 5,170 Mbit/s, indicating faster potential data transfer speeds on the Realme GT8.

Both phones feature Bluetooth 6, USB Type-C ports, and NFC support. They also both come with a fingerprint scanner, GPS, a compass, an accelerometer, an infrared sensor, and a cellular module. Neither device has a barometer, HDMI output, 3D facial recognition, an iris scanner, motion tracking, optical tracking, or a built-in projector. Both devices support Galileo for satellite navigation.

In terms of additional features, the Realme GT8 includes all the core sensors and connectivity options that the Xiaomi 15T has, but with a higher download speed and support for Wi-Fi 7, which might offer future-proofing benefits. Both phones are essentially equipped with similar essential connectivity features, making them both well-suited for modern wireless technologies.

Both the Realme GT8 (China) and Xiaomi 15T feature a video light, which can assist in illuminating subjects during video recording. Neither device includes sapphire glass for the display, a curved display, or an e-paper display, meaning they both offer standard display technologies without the added durability or unique features of these options.

In summary, the Realme GT8 and Xiaomi 15T are quite similar in this category, with both offering the same set of features related to video lighting and display technology. There are no significant differences between the two products in this group.