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Vivo X300 vs Xiaomi 17: Two flagships head-to-head
It’s the season of flagship Android wars in China. Almost every major brand has unveiled a new device in the last month or so, each equipped with the latest processors, top-tier displays, and, thankfully, bigger batteries.
The Vivo X300 and Xiaomi 17 are two such contenders. On paper, both devices come loaded with high-end hardware, eye-catching designs, and the latest chips from MediaTek and Qualcomm.
But peel back the specs and the differences start to show. So let’s break down what really sets them apart.
Design and Build
Both the Vivo X300 and Xiaomi 17 share similar dimensions. It measures around 150mm tall and weighs just under 200 grams. They’re slim, premium slabs that feel engineered to impress.
Vivo’s design features glass on both sides, paired with an aluminum alloy frame, while Xiaomi opts for Dragon Crystal Glass on the front, complemented by an aluminum frame.
Both phones are IP68 rated, meaning they can withstand accidental water drops and dusty environments. However, Vivo takes it a step further with an IP69 rating, enabling it to withstand high-pressure water jets. That’s rare even among flagships, though it’s unlikely to make a meaningful difference in real-life use.
Display
Both phones use LTPO AMOLED panels with 120Hz refresh rates and 2160Hz PWM dimming, making them easier on the eyes at low brightness. Vivo’s display measures 6.31 inches, while Xiaomi’s is roughly the same at 6.3 inches.
Brightness is where Vivo pulls ahead. The X300 peaks at a massive 4,500 nits, while Xiaomi reaches up to 3,500 nits. Both are extremely bright and should deliver great outdoor visibility, regardless of the numbers.
In terms of color, both screens support HDR10+, HDR Vivid, and advanced tone mapping. Xiaomi adds Dolby Vision to the mix, giving it an edge when watching supported content on Netflix or YouTube.
Resolution-wise, both hover in the 1220–1260p range, offering crisp text and smooth visuals.
Performance: MediaTek vs Snapdragon
The two phones take very different approaches to performance. The X300 runs MediaTek’s Dimensity 9500, a 3nm chip with ARM C1 cores clocked up to 4.21GHz.
Xiaomi, on the other hand, ships with Qualcomm’s Snapdragon 8 Elite Gen 5, also built on a 3nm process and equipped with custom Oryon V3 cores running up to 4.6GHz.
On paper, Snapdragon’s architecture has the upper hand. It uses two 4.6GHz Oryon V3 Phoenix L cores and six 3.62GHz Phoenix M cores, paired with an Adreno 840 GPU—delivering top-tier gaming and raw compute performance. The Dimensity 9500’s 4.21GHz C1-Ultra and 3.5GHz C1-Premium cores aren’t far behind, and MediaTek’s Arm G1-Ultra GPU is also powerful.
In real-world use, both phones should feel incredibly fast. Scrolling, multitasking, and gaming happen without hesitation. Vivo’s OriginOS 6 (based on Android 16) feels smooth and responsive, while Xiaomi’s HyperOS 3 offers deep customization and similarly slick performance.
Cameras
This is where things get interesting. The Vivo X300 features a bold 200MP main sensor with OIS, a 50MP periscope telephoto, and a 50MP ultrawide. The system is tuned by Zeiss and includes Zeiss T* lens coating, laser autofocus, and even 3D LUT import for pro-grade color work.
The Xiaomi 17, meanwhile, sticks to a more traditional 50MP triple setup—50MP main, 50MP telephoto (2.6x optical), and 50MP ultrawide—with Leica-co-engineered optics.
Both phones offer flagship camera performance, and the final quality will come down to ISP tuning and post-processing. However, Vivo holds a clear advantage in flexibility, thanks to support for external photography accessories, including a telephoto extender that can deliver crisp shots at up to 200mm.
On the front, both devices use 50MP selfie cameras with 4K video support, but Xiaomi goes further with HDR10+ video capture and gyro-EIS.
Battery and Charging
Battery life is where Xiaomi dominates. The Xiaomi 17 packs a huge 7,000mAh cell along with 100W wired, 50W wireless, and 22.5W reverse wireless charging.
Vivo’s 6,040mAh battery with 90W wired and 40W wireless charging still offers strong endurance, easily lasting a day and a half, but Xiaomi simply goes farther. The difference between 6,040mAh and 7,000mAh will be noticeable, especially for heavy users.
Audio and Connectivity
Both phones skip the headphone jack but feature stereo speakers. Xiaomi’s setup is tuned for Dolby Atmos and Snapdragon Sound, with Hi-Res 24-bit/192kHz playback. Vivo’s speakers are clean, but lack Dolby branding.
Connectivity is top-tier on both devices, including Wi-Fi 7, Bluetooth 5.4, NFC, infrared, and multi-band GPS. Vivo adds eSIM support internationally, which Xiaomi lacks, while Xiaomi includes DisplayPort output over USB-C, allowing it to connect directly to a monitor.
Verdict
The Vivo X300 and Xiaomi 17 show how differently two brands can approach the same idea: a compact 2025 flagship.
The Vivo X300 stands out with its brighter display, Zeiss-tuned 200MP camera, and cleaner design. It’s ideal for users who prioritize photography and aesthetics.
The Xiaomi 17 shines with its massive battery, Leica tuning, Snapdragon performance, and superior audio. It’s the better fit for power users who value endurance and versatility.
There’s no outright winner—just two flagships excelling in their own way.
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The post Vivo X300 vs Xiaomi 17: Two flagships head-to-head appeared first on Gizmochina.
