REDMI K90 Ultra vs REDMI K90 Max
The REDMI K90 Ultra scores 7.9 in our rating, and the REDMI K90 Max scores 8.0. The REDMI K90 Max leads in display and performance. The REDMI K90 Ultra is the newer phone, announced Jun 30, 2026.
Key differences
Why choose the REDMI K90 Ultra
- Silicon-carbon battery
- Newer model Jun 30, 2026 vs Apr 21, 2026
Why choose the REDMI K90 Max
- More storage 256 GB / 512 GB / 1 TB vs 256 GB / 512 GB
PhoneRanked scores
Calculated from specs, relative to phones from the same year and price range. How we rate phones
Value for money marked “est.” is an estimate: that phone has no official US launch price, so it is not highlighted against the others.
Spec
REDMI K90 UltraREDMI K90 Max
Overall
7.9
8.0
Display
8.4
8.7
Performance
8.6
8.9
Camera
6.6
6.6
Battery
7.7
7.7
Design
8.8
8.8
Software support
3.5
3.5
Value for money
5.0 est.
5.0 est.
Display
Spec
REDMI K90 UltraREDMI K90 Max
Size
6.83 inches
6.83 inches
Type
OLED
OLED
Resolution
1280 × 2772 px
1280 × 2772 px
Pixel density
447 ppi
447 ppi
Refresh rate
165 Hz
165 Hz
Adaptive refresh
✕ No
—
Peak brightness
3,500 nits
3,500 nits
HDR
HDR10+, Dolby Vision, HDR Vivid
HDR10+, Dolby Vision, HDR Vivid
Performance
Spec
REDMI K90 UltraREDMI K90 Max
Process
3 nm
3 nm
Max CPU clock
4.32 GHz
4.21 GHz
GPU
Adreno 830
Arm Mali-G1 Ultra MC12
RAM
12 GB / 16 GB
12 GB / 16 GB
Storage
256 GB / 512 GB
256 GB / 512 GB / 1 TB
Storage type
UFS 4.1
UFS 4.1
microSD slot
✕ No
✕ No
Cameras
Spec
REDMI K90 UltraREDMI K90 Max
Main camera
50 MP, f/1.68, 1/1.55"
50 MP, f/1.68, 1/1.55"
Optical stabilization
✓ Yes
✓ Yes
Ultrawide
8 MP
8 MP
Rear cameras
2
2
Rear video
8K@30
8K@30
Front camera
20 MP
20 MP
Front video
1080p@60
1080p@60
Battery and charging
Spec
REDMI K90 UltraREDMI K90 Max
Capacity
8,550 mAh
8,550 mAh
Battery type
Silicon-carbon
Li-Po
Wired charging
100 W
100 W
Reverse wireless
✕ No
✕ No
Charger in box
✓ Yes
✓ Yes
Design and build
Spec
REDMI K90 UltraREDMI K90 Max
Dimensions
162.91 × 77.93 × 8.18 mm
162.91 × 77.93 × 8.18 mm
Thickness
8.18 mm
8.18 mm
Weight
227 g
227 g
Form factor
Bar
Bar
Frame
Aluminum
Aluminum
Water resistance
IP68 + IP69
IP68 + IP69
Fingerprint
Under-display ultrasonic
Under-display ultrasonic
3D face unlock
✕ No
✕ No
SIM
Dual Nano-SIM
Dual Nano-SIM
Colors
Space Silver, Sky Blue, Shadow Black
Shadow Black, Sky Blue, Space Silver
Connectivity and features
Spec
REDMI K90 UltraREDMI K90 Max
5G
✓ Yes
✓ Yes
Wi-Fi
Wi-Fi 7
Wi-Fi 7
Bluetooth
5.4
5.4
NFC
✓ Yes
✓ Yes
3.5 mm jack
✕ No
✕ No
Stereo speakers
✓ Yes
✓ Yes
Satellite
✕ No
✕ No
IR blaster
✓ Yes
✓ Yes
Software
Spec
REDMI K90 UltraREDMI K90 Max
OS at launch
Android 16
Android 16
Interface
Xiaomi HyperOS 3
Xiaomi HyperOS 3
Launch and price
Spec
REDMI K90 UltraREDMI K90 Max
Announced
Jun 30, 2026
Apr 21, 2026
Released
Jun 30, 2026
Apr 21, 2026
Status
Released
Released
Green marks the stronger value in a row. Specs come from official manufacturer data, cross-checked with established tech media; each phone page lists its sources. Report an error
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