Side-by-side technical data
Xiaomi Redmi K90 Max vs Xiaomi Redmi K90 Ultra
Comparison between Xiaomi Redmi K90 Max and Xiaomi Redmi K90 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 pick for maximum performance, reaching 3,485,900 points in AnTuTu versus 3,081,184 for the Redmi K90 Ultra. The Ultra suits anyone who prioritizes screen visibility, with 9,500 nits versus 3,500 nits.
The K90 Max also leads in Geekbench 6: 3,781 versus 3,234 in single-core and 12,189 versus 10,059 in multi-core. Both have 16GB of RAM, UFS 4.1 storage, and up to 1TB. The K90 Ultra uses the Snapdragon 8 Elite, while the Max uses the MediaTek Dimensity 9500.
Both AMOLED displays measure 6.83 inches and offer 1,280 px of horizontal resolution, but the Ultra reaches 9,500 nits. For cameras, the Ultra combines a 1/1.43-inch main sensor and 1.13 µm pixels, versus 1/1.55-inch and 1 µm on the Max, and records slow motion at 1,920 fps versus 960 fps. Both have 8,550 mAh batteries and 100W charging, leaving a choice between raw performance and screen brightness.
Xiaomi Redmi K90 Max
The Xiaomi Redmi K90 Max is the better buy for performance, scoring 3,485,900 in AnTuTu versus 3,081,184.
Xiaomi Redmi K90 Ultra
The Redmi K90 Ultra is the better buy for anyone prioritizing a very bright display, with 9,500 nits versus 3,500 nits.
The verdict
Neither runs away with it: each wins something.
| Category | Redmi K90 Max | Redmi K90 Ultra |
|---|---|---|
| Design & display | 8.6 | 8.6 |
| Performance & hardware | 9.2 | 9.1 |
| Camera | 7.7 | 7.4 |
| Connectivity | 7.7 | 7.9 |
| Battery & charging | 8.3 | 8.3 |
Which one is for you?
Xiaomi Redmi K90 Max, if you care about…
- AnTuTu Score
- 3,485,900
- against 3,081,184
- Geekbench 6 Single-Core
- 3,781
- against 3,234
- Geekbench 6 Multi-Core
- 12,189
- against 10,059
- Max. download speed
- 10,700 Mbps
- against 10,000 Mbps
Xiaomi Redmi K90 Ultra, if you care about…
- Peak Display Brightness
- 9,500 nits
- against 3,500 nits
Specification comparison
Performance
| Specification | Redmi K90 Max | Redmi K90 Ultra |
|---|---|---|
| Processor Model | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite |
| Processor Process Size | 3 nm | 3 nm |
| Graphics GPU | Mali-G1 Ultra MC12 | Qualcomm Adreno 830 |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Maximum CPU Clock | 4.21 GHz | 4.32 GHz Best value |
| Maximum Storage Capacity | 1 TB | 1 TB |
| AnTuTu Score | 3,485,900 Best value | 3,081,184 |
| Geekbench 6 Single-Core | 3,781 Best value | 3,234 |
| Geekbench 6 Multi-Core | 12,189 Best value | 10,059 |
| 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 2x4.32 GHz and 6x3.53 GHz cores |
| 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 K90 Ultra |
|---|---|---|
| Body Colors | Silver, Blue, Black, Grey | Black, Blue, Silver |
| Body Thickness | 8.2 mm | 8.2 mm |
| Body Width | 77.9 mm | 77.9 mm |
| Body Height | 162.9 mm | 162.9 mm |
| Weight | 227 g | 227 g |
| Usable Surface | 90.3 % | 90.3 % |
| Body Materials | Glass, Aluminium Alloy, Plastic | Glass, Aluminium Alloy |
| Resistance Features | IP68, IP69 | IP68, IP69, IP66 |
| Waterproof Depth | 1.5 m | 1.5 m |
Battery
| Specification | Redmi K90 Max | Redmi K90 Ultra |
|---|---|---|
| Battery Capacity | 8,550 mAh | 8,550 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 | Non-Removable, Fast Charging, Reverse Charging, Reverse Wireless Charging, Rechargeable, Battery Level Indicator |
| Reverse wireless charging power | 22.5 W | 22.5 W |
Display
| Specification | Redmi K90 Max | Redmi K90 Ultra |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 |
| Display Technology | AMOLED | AMOLED |
| Peak Display Brightness | 3,500 nits | 9,500 nits Best value |
| 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 | 165 Hz |
| Touch Sampling Rate | 480 Hz | 480 Hz |
| Display Contrast Ratio | 8,000,000 :1 | 8,000,000 :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 | Hole-Punch Notch, HDR10, HDR10+, Dolby Vision, Always-On Display, Capacitive Touch, Multi-Touch, Gorilla Glass, DC Dimming, DCI-P3, TÜV Rheinland Low Blue Light, TÜV Rheinland Flicker-Free Certified, TÜV Rheinland Eye Comfort Certification, Scratch Resistant, Frameless |
Sensors
| Specification | Redmi K90 Max | Redmi K90 Ultra |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Under Display |
Sensor
| Specification | Redmi K90 Max | Redmi K90 Ultra |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor, Ultrasonic Proximity Sensor, Virtual Proximity Sensing, Cooling System | Fingerprint Sensor, Accelerometer, Proximity Sensor, Gyroscope, Compass, Hall Sensor, Light Sensor, RGB Sensor, Cooling System |
Software
| Specification | Redmi K90 Max | Redmi K90 Ultra |
|---|---|---|
| Operating System | Android 16 | Android 16 |
| OS Family | Android | Android |
| OS Version | 16 | 16 |
Connectivity
| Specification | Redmi K90 Max | Redmi K90 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 B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B19, 4G LTE B28A, 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 n28a, 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, 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 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 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, LHDC 5.0, ASHA, Auracast |
| 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 | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, Computer Sync, OTA Sync, Tethering, Infrared, VoLTE |
| USB Version | USB 3.2 | USB 3.2 |
| Max. download speed | 10,700 Mbps Best value | 10,000 Mbps |
| Max. upload speed | — | 3,500 Mbps |
Audio
| Specification | Redmi K90 Max | Redmi K90 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, Dolby Atmos, Hi-Res Audio, Hi-Res Wireless Audio, A2DP, LE, LHDC 5, ASHA, Auracast |
Technical
| Specification | Redmi K90 Max | Redmi K90 Ultra |
|---|---|---|
| Model numbers | — | 2604FRK1EC |
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