The Xiaomi Redmi K80 Ultra is a performance-focused Redmi flagship built around a Dimensity 9400+ chipset, a high-refresh OLED display, and a very large silicon-carbon battery.
Its spec sheet targets users who want flagship speed, long battery life, advanced connectivity, and durable construction without moving into the highest-priced premium segment.
Full Specifications
Network
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| CDMA 800 | |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 2100 |
| CDMA2000 1x | |
| 4G bands | 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G bands | 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G |
Launch
| Announced | 2025, June 26 |
| Status | Available. Released 2025, June 26 |
Body
| Dimensions | 163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in) |
| Weight | 219 g (7.72 oz) |
| Build | Glass front, aluminum frame |
| SIM | Nano-SIM + Nano-SIM |
| IP68 dust tight and water resistant (immersible up to 2m for 30 min) |
Display
| Type | OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak) |
| Size | 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio) |
| Resolution | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) |
| Protection | Scratch/drop-resistant glass |
Platform
| OS | Android 15, HyperOS 2 |
| Chipset | Mediatek Dimensity 9400+ (3 nm) |
| CPU | Octa-core (1×3.63 GHz Cortex-X925 & 3×3.3 GHz Cortex-X4 & 4×2.4 GHz Cortex-A720) |
| GPU | Immortalis-G925 |
Memory
| Card slot | No |
| Internal | 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
| UFS 4.1 |
Main Camera
| Dual | 50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm |
| Features | Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS |
Selfie camera
| Single | 20 MP, (wide), 1/2.0", 0.8µm |
| Features | HDR |
| Video | 1080p@30/60fps |
Sound
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm jack | No |
| 24-bit/192kHz Hi-Res & Hi-Res Wireless audio |
Comms
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct |
| Bluetooth | 5.4, A2DP, LE, LHDC 5 |
| Positioning | GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS |
| NFC | Yes |
| Infrared port | Yes |
| Radio | Unspecified |
| USB | USB Type-C |
Features
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass |
Battery
| Type | Si/C Li-Ion 7410 mAh |
| Charging | 100W wired, PD3.0 Bypass charging |
Misc
| Colors | Gray, White, Blue, Green |
| Price | About 310 EUR |
Price and Availability
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 April 30, 2026 and may not reflect the exact price you’ll find at a retailer.
- United States: $363
- Japan: ¥58,021
- United Kingdom: £269
- Australia: A$508
- Canada: C$496
- Taiwan: NT$11,461
- Denmark: kr2.314
- Saudi Arabia: ﷼1,359
- South Korea: ₩537,170
- Germany: €310
- Brazil: R$1.809
- Vietnam: ₫9.475.082
- Kenya: KSh 46,825
- India: ₹34,384
- Indonesia: Rp 6.275.134
- Nigeria: ₦495,426
- Pakistan: ₨100,976
- Philippines: ₱22,337
- Bangladesh: ৳৪৪,৪৯৪
Value Position
The Redmi K80 Ultra stands out for pairing a top-tier 3 nm chipset with large storage options, UFS 4.1 memory, IP68 protection, and 100W wired charging. That mix makes it especially competitive for buyers comparing raw performance per euro.
Design and Durability
At 219 g and 8.2 mm thick, this is not an ultra-light phone, but the aluminum frame, glass front, dual Nano-SIM support, and IP68 dust and water resistance give it a sturdy flagship-style build.
Display Experience
The 6.83-inch OLED panel is one of the headline features, offering a sharp 1280 x 2772 resolution, 144Hz refresh rate, Dolby Vision, HDR10+, HDR Vivid, and very high peak brightness for outdoor visibility and HDR playback.
Performance Hardware
The MediaTek Dimensity 9400+ and Immortalis-G925 GPU make the Redmi K80 Ultra a strong fit for gaming, heavy multitasking, and demanding apps. The available 12GB and 16GB RAM variants also give buyers room to choose based on workload.
Camera Setup
The rear camera system focuses on a stabilized 50 MP main camera backed by an 8 MP ultrawide. It supports 8K recording, 4K at up to 60fps, high-frame-rate 1080p modes, gyro-EIS, HDR, panorama, and a color spectrum sensor.
Battery and Charging
The 7410 mAh silicon-carbon battery is a major advantage for endurance-focused users. 100W wired charging, PD3.0 support, and bypass charging make it more flexible for gaming, travel, and long daily use.
Software and Biometrics
The phone ships with Android 15 and HyperOS 2. It also includes an ultrasonic under-display fingerprint sensor, giving it a more premium biometric setup than many mid-range and upper-mid-range phones.
Connectivity
Connectivity is broad, with 5G SA/NSA, Wi-Fi 7, Bluetooth 5.4, NFC, infrared, USB Type-C, stereo speakers, Hi-Res audio, and multi-band satellite positioning including GPS, BDS, Galileo, QZSS, NavIC, and GLONASS.
Who Should Buy It
The Redmi K80 Ultra is best for users who prioritize performance, display quality, battery size, charging speed, and connectivity over having a more elaborate multi-camera system or expandable storage.
Conclusion
The Xiaomi Redmi K80 Ultra is a strong value flagship for performance-minded buyers, with its biggest strengths in speed, display quality, battery life, charging, and durability. Choose it if those areas matter more than camera versatility.
