Side-by-side technical data
Xiaomi Redmi K90 Max vs Xiaomi Redmi K80 Ultra
Comparison between Xiaomi Redmi K90 Max and Xiaomi Redmi K80 Ultra: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.
NeoTeo's verdict
Which of the two is the better buy
The Xiaomi Redmi K90 Max is the better choice for performance, display, and battery: its overall score is 8.3 versus 7.9 for the Xiaomi Redmi K80 Ultra. The K90 Max reaches 3,485,900 AnTuTu points versus 2,876,402, while its 165 Hz display reaches 3500 nits against 144 Hz and 3200 nits.
The K90 Max also leads on battery and camera. Its 8550 mAh capacity exceeds the K80 Ultra’s 7410 mAh, and it adds reverse wireless charging. On the main camera, f/1.7 is brighter than the K80 Ultra’s f/1.9 aperture. Both phones have a 6.83″ AMOLED display, 100 W charging, 16 GB RAM, 1 TB storage, and IP68 and IP69 resistance.
The Xiaomi Redmi K80 Ultra remains the choice for a lighter phone with better water protection: it weighs 219 g versus 227 g and handles 2 m versus 1.5 m. The K90 Max runs Android 16 against Android 15; the K80 Ultra is the sensible buy only if it costs less.
Xiaomi Redmi K90 Max
The Xiaomi Redmi K90 Max is better for performance and battery: it reaches 3,485,900 AnTuTu points and offers 8550 mAh.
Xiaomi Redmi K80 Ultra
The Xiaomi Redmi K80 Ultra suits those prioritizing lower weight and water protection: it weighs 219 g and handles 2 m.
The verdict
Your pick: Xiaomi Redmi K90 Max, ahead on Camera and Battery & charging.
| Category | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Design & display | 8.6 | 8.8 |
| Performance & hardware | 9.3 | 9.0 |
| Camera | 7.7 | 7.1 |
| Connectivity | 7.7 | 8.0 |
| Battery & charging | 8.3 | 6.8 |
Which one is for you?
Xiaomi Redmi K90 Max, if you care about…
- Battery Capacity
- 8,550 mAh
- against 7,410 mAh
- AnTuTu Score
- 3,485,900
- against 2,876,402
- Display Refresh Rate
- 165 Hz
- against 144 Hz
- Peak Display Brightness
- 3,500 nits
- against 3,200 nits
Xiaomi Redmi K80 Ultra, if you care about…
- Weight
- 219 g
- against 227 g
- Waterproof Depth
- 2 m
- against 1.5 m
Specification comparison
Performance
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Processor Model | MediaTek Dimensity 9500 | MediaTek Dimensity 9400+ |
| Processor Process Size | 3 nm | 3 nm |
| Graphics GPU | Mali-G1 Ultra MC12 | Immortalis-G925 MC12 |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Maximum CPU Clock | 4.21 GHz Best value | 3.73 GHz |
| Maximum Storage Capacity | 1 TB | 1 TB |
| AnTuTu Score | 3,485,900 Best value | 2,876,402 |
| Geekbench 6 Single-Core | 3,781 Best value | 2,874 |
| Geekbench 6 Multi-Core | 12,189 Best value | 8,969 |
| CPU Description | Octa-core CPU with 1×4.21 GHz C1-Ultra, 3×3.5 GHz C1-Premium, and 4×2.7 GHz C1-Pro | Octa-core CPU with 1 Cortex-X925 core at 3.63 GHz, 3 Cortex-X4 cores at 3.3 GHz, and 4 Cortex-A720 cores at 2.4 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 16 GB | 16 GB |
| RAM Type | LPDDR5X | LPDDR5X |
| AnTuTu version | v11 | v11 |
Design
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Body Colors | Silver, Blue, Black, Grey | Grey, White, Blue, Green, Black, Purple |
| Body Thickness | 8.2 mm | 8.2 mm |
| Body Width | 77.9 mm | 77.9 mm |
| Body Height | 162.9 mm | 163.1 mm |
| Weight | 227 g | 219 g Best value |
| Usable Surface | 90.3 % Best value | 90.2 % |
| Body Materials | Glass, Aluminium Alloy, Plastic | Glass, Aluminium Alloy |
| Resistance Features | IP68, IP69 | IP68, IP69 |
| Waterproof Depth | 1.5 m | 2 m Best value |
Battery
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Battery Capacity | 8,550 mAh Best value | 7,410 mAh |
| Battery Type | Si-Carbon Li-Ion | Si-Carbon Li-Ion |
| Fast Charge Power | 100 W | 100 W |
| Battery Features | Non-Removable, Rechargeable, Fast Charging, Reverse Charging, Reverse Wireless Charging, Battery Level Indicator Best value | Fast Charging, Bypass Charging, Non-Removable, Rechargeable, Battery Level Indicator |
| Reverse wireless charging power | 22.5 W | — |
Display
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 |
| Display Technology | AMOLED | AMOLED |
| Peak Display Brightness | 3,500 nits Best value | 3,200 nits |
| Display Diagonal | 6.83″ | 6.83″ |
| Display Horizontal Resolution | 1,280 px | 1,280 px |
| Display Vertical Resolution | 2,772 px | 2,772 px |
| Display Pixel Density | 447 ppi | 447 ppi |
| Display Refresh Rate | 165 Hz Best value | 144 Hz |
| Touch Sampling Rate | 480 Hz | 480 Hz |
| Display Contrast Ratio | 8,000,000 :1 Best value | 5,000,000 :1 |
| Display Features | Hole-Punch Notch, HDR10+, Dolby Vision, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, SGS Certified, TÜV Rheinland Low Blue Light, TÜV Rheinland Flicker-Free Certified, TÜV Rheinland Eye Comfort Certification, 3840Hz PWM, DCI-P3, Frameless | HDR10, HDR10+, Dolby Vision, Always-On Display, Variable Refresh Rate, LTPO, DC Dimming, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, One Billion Colors, HDR Vivid, DCI-P3, TÜV Rheinland Eye Comfort Certification |
Sensors
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Under Display |
Sensor
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor, Ultrasonic Proximity Sensor, Virtual Proximity Sensing, Cooling System | Fingerprint Sensor, Ultrasonic Proximity Sensor, Accelerometer, Gyroscope, Compass, Light Sensor, Cooling System |
Software
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Operating System | Android 16 | Android 15 |
| OS Family | Android | Android |
| OS Version | 16 Best value | 15 |
Connectivity
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B19, LTE B28, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B43, 4G LTE B48, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n28, 5G NR n34, 5G NR n38, 5G NR n39, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n77, 5G NR n78, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B28A, 5G NR n28a, 5G NR n66 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 3G UMTS B18, 3G UMTS B19, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n66, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, LTE, 5G | GSM, CDMA, HSPA, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be), Wi-Fi 802.11a/b/g | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 5.4 | Bluetooth 5.4 |
| Bluetooth Profiles | A2DP, LE, Auracast, ASHA, MIHC | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC |
| Connectivity Features | Infrared, NFC, USB Type-C, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, Computer Sync, OTA Sync, Tethering | Infrared, NFC, USB Type-C, Computer Sync, DLNA, OTA Sync, Tethering, VoLTE, VoWiFi, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG |
| USB Version | USB 3.2 | USB Type-C |
| Max. download speed | 10,700 Mbps Best value | 7,300 Mbps |
Audio
| Specification | Redmi K90 Max | Redmi K80 Ultra |
|---|---|---|
| Audio Features | Stereo Speakers, Dolby Atmos, Noise-Cancellation Microphone, Hi-Res Audio, Hi-Res Wireless Audio, A2DP, LE, LHDC 5, Auracast, ASHA, MIHC | Stereo Speakers, A2DP, LE, LHDC 5, Hi-Res Audio, Hi-Res Wireless Audio, Dolby Atmos |
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