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
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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