The Xiaomi Redmi K80 Ultra arrives as one of the most aggressive flagship-killers of 2025, packing a top-tier MediaTek Dimensity 9400+ chipset, a huge 7410 mAh silicon-carbon battery, and a 144Hz OLED display into a body that starts at roughly 310 EUR. Announced on June 26, 2025, it continues the K-series tradition of cramming genuine flagship hardware into an aggressively priced package aimed at performance-hungry buyers.
What makes the K80 Ultra interesting is not a single headline feature but the balance of them. You get IP68 protection, a 50 MP OIS main camera, UFS 4.1 storage, Wi-Fi 7, an infrared blaster, and stereo speakers tuned for Hi-Res audio. This article breaks down where the phone shines, where it cuts corners, and which type of user it suits best, with all official figures sourced from Xiaomi’s specifications page.
The Xiaomi Redmi K80 Ultra offers a compelling combination of features and performance. While the base price is around €310, the actual cost may vary depending on your location and retailer. Below, you’ll find the approximate price of the Xiaomi Redmi K80 Ultra converted into various currencies. Please note that these are estimates based on recent exchange rates as of June 29, 2026 and may not reflect the exact price you’ll find at a retailer.
United States: $353
Japan: ¥57,100
United Kingdom: £267
Australia: A$512
Canada: C$501
Taiwan: NT$11,248
Denmark: kr2.313
Saudi Arabia: ﷼1,324
South Korea: ₩542,615
Germany: €310
Brazil: R$1.828
Vietnam: ₫9.257.819
Kenya: KSh 45,759
India: ₹33,323
Indonesia: Rp 6.318.379
Nigeria: ₦485,983
Pakistan: ₨98,138
Philippines: ₱21,651
Bangladesh: ৳৪৩,৪১৯
Why the Redmi K80 Ultra Is Such Strong Value
At around 310 EUR for the entry configuration, the K80 Ultra undercuts most conventional flagships by a wide margin while still delivering a flagship-grade Dimensity 9400+ SoC, 144Hz OLED panel, and a battery that comfortably exceeds 7000 mAh. Few phones in this price band combine UFS 4.1 storage, LPDDR5X-class memory tiers up to 16GB RAM, and IP68 ingress protection. For buyers who prioritize raw specifications per euro, it is one of the most aggressive offerings of the year.
The Redmi K80 Ultra pairs a 6.83-inch 144Hz OLED panel with a slim aluminum frame.
Design and Build Quality
The K80 Ultra measures 163.1 x 77.9 x 8.2 mm and weighs 219 g, which is on the heavier side largely because of its oversized battery. The build pairs a glass front with an aluminum frame, and the standout durability feature is IP68 certification, rated for immersion up to 2 meters for 30 minutes. Dual Nano-SIM support is included, though there is no microSD expansion, so buyers should choose their storage tier carefully. The phone ships in Gray, White, Blue, and Green.
Display Experience
The 6.83-inch OLED display is a clear highlight. It runs at up to 144Hz, supports Dolby Vision, HDR10+, and HDR Vivid, and reaches 1800 nits in high-brightness mode with a 3200-nit peak. With a 1280 x 2772 resolution (roughly 447 ppi) and a ~90.2% screen-to-body ratio, content looks sharp and immersive. Scratch- and drop-resistant glass adds peace of mind for daily use, and the high refresh rate keeps scrolling and gaming fluid.
Performance and Storage
Powering the phone is the 3 nm MediaTek Dimensity 9400+, with an octa-core layout led by a 3.63 GHz Cortex-X925 core, backed by three Cortex-X4 cores and four Cortex-A720 efficiency cores, alongside the Immortalis-G925 GPU. This is genuine flagship silicon capable of sustained high-end gaming and heavy multitasking. Storage spans 256GB, 512GB, and 1TB tiers on fast UFS 4.1, with RAM options of 12GB or 16GB, so demanding users can configure plenty of headroom.
A 50 MP OIS main sensor leads the dual rear camera setup.
Camera Capabilities
The rear camera is a dual system: a 50 MP f/1.9 main shooter with a 1/1.55″ sensor, PDAF, and optical image stabilization, joined by an 8 MP 119˚ ultrawide. A color spectrum sensor and dual-LED dual-tone flash assist with accurate exposure. Video tops out at 8K@30fps, with 4K up to 60fps and slow-motion up to 960fps, all aided by gyro-EIS. The 20 MP front camera handles selfies and 1080p video. While this is not a periscope-zoom camera phone, the stabilized main sensor is a capable everyday performer.
Battery and Charging
Battery life is a core strength. The Si/C Li-Ion cell holds an enormous 7410 mAh, well above the typical flagship, which should translate to multi-day endurance for moderate users. It supports 100W wired charging with PD3.0 and Bypass charging to reduce heat and battery wear during gaming. The trade-off is the absence of wireless charging in the listed specifications, but the wired speed and capacity make the daily experience reassuring.
Software and Connectivity
The K80 Ultra runs Android 15 with HyperOS 2 out of the box. Connectivity is comprehensive: Wi-Fi 7, Bluetooth 5.4 with LHDC 5, multi-band GNSS positioning, NFC, an infrared port for controlling appliances, and USB Type-C. An ultrasonic under-display fingerprint sensor handles biometrics. There is no 3.5mm headphone jack, but stereo speakers and 24-bit/192kHz Hi-Res audio support cover most listening needs.
Who Should Buy the Redmi K80 Ultra
This phone is best suited to gamers, power users, and value seekers who want flagship performance and exceptional battery life without paying flagship prices. Those who depend on wireless charging, a dedicated telephoto lens, or guaranteed global availability should weigh those gaps, since the K80 Ultra primarily targets the China market and similar regions. For everyone else chasing specifications per euro, it is hard to beat.
Conclusion
The Xiaomi Redmi K80 Ultra delivers a remarkable amount of flagship hardware for its price, anchored by the Dimensity 9400+, a 144Hz OLED screen, a massive 7410 mAh battery, and IP68 durability. Its main compromises are the lack of wireless charging and telephoto zoom, plus limited official global availability. If you want maximum performance and endurance per euro and can live without those extras, the K80 Ultra is an easy recommendation, especially in a higher-RAM configuration; confirm current pricing and regional availability before purchasing, as both can change.
References
Xiaomi China – REDMI K80 Ultra Specifications – Primary manufacturer specs page for the Redmi K80 Ultra, best anchor for dimensions, display, battery, charging, cameras, storage variants, and official feature claims.
Xiaomi China – REDMI K80 Ultra Product Page – Official product overview page for confirming the model name, positioning, launch-market branding, and headline hardware features.
MediaTek Dimensity 9400+ Official Materials (mediatek.com) – Official chipset-maker source for verifying the Redmi K80 Ultra's Dimensity 9400+ SoC details, CPU/GPU platform claims, AI features, and connectivity capabilities.
GSMArena (gsmarena.com) – Well-known smartphone specifications database useful as a secondary cross-check for release status, hardware specs, network bands, and variant details.
IT之家 (ithome.com) – Established Chinese technology publication useful for cross-checking launch-date, pricing, and China-market announcement details for the REDMI K80 Ultra.
