Xiaomi 15 Ultra vs Xiaomi Redmi K90 Pro Max
Short Description
Xiaomi 15 Ultra
Screen size: 6.73" / Resolution: 1440 x 3200 px / Main camera: 200 MP & 50 MP & 50 MP & 50 MP / Front camera: 32MP / RAM: 16GB / Battery power: 6000 mAh / Has 5G support: ✔ / Internal storage: 1000GB / SIM cards: 2 SIM
Xiaomi Redmi K90 Pro Max
Screen size: 6.9" / Resolution: 1200 x 2608 px / Main camera: 50 MP & 50 MP & 50 MP / Front camera: 32MP / RAM: 12GB, 16GB / Battery power: 7560 mAh / Has 5G support: ✔ / Internal storage: 256GB, 512GB, 1TB / SIM cards: 2 SIM
Key Differences
Xiaomi 15 Ultra
Xiaomi Redmi K90 Pro Max
How is Xiaomi 15 Ultra better than Xiaomi Redmi K90 Pro Max?
More megapixels main camera: 200 MP & 50 MP & 50 MP & 50 MP vs 50 MP & 50 MP & 50 MP
Better display resolution: 1440 x 3200 px vs 1200 x 2608 px
Narrower: 75.3 mm (2.96 inches) vs 77.8 mm (3.06 inches)
Shorter: 161.3 mm (6.35 inches) vs 163.3 mm (6.43 inches)
Xiaomi 15 Ultra
Xiaomi Redmi K90 Pro Max
How is Xiaomi Redmi K90 Pro Max better than Xiaomi 15 Ultra?
Bigger battery capacity: 7560 mAh vs 6000 mAh
Faster CPU speed: 2 x 4.6 GHz & 6 x 3.62 GHz vs 2 x 4.32 GHz & 6 x 3.53 GHz
AnTuTu score is about 41% higher
More internal storage in max option: 256GB, 512GB, 1TB vs 1000GB
Has a larger display diagonal: 6.9" vs 6.73"
Higher charging speed: 100W vs 90W
Lighter: 218 g (7.69 ounces) vs 229 g (8.08 ounces)
The phone is 7 months newer
Size Comparison
Xiaomi 15 Ultra
Xiaomi Redmi K90 Pro Max
Height
161.3 mm
(6.35 inches)
Width
75.3 mm
(2.96 inches)
Thickness
9.4 mm
(0.37 inches)
Screen size
6.73"
Weight
229 g
(8.08 ounces)
6.73"
6.9"
Height
163.3 mm
(6.43 inches)
Width
77.8 mm
(3.06 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.9"
Weight
218 g
(7.69 ounces)
Height
161.3 mm
(6.35 inches)
Width
75.3 mm
(2.96 inches)
Thickness
9.4 mm
(0.37 inches)
Screen size
6.73"
Weight
229 g
(8.08 ounces)
Height
163.3 mm
(6.43 inches)
Width
77.8 mm
(3.06 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.9"
Weight
218 g
(7.69 ounces)
Vote for Your option
Xiaomi 15 Ultra
Vote for Your option
Xiaomi Redmi K90 Pro Max
Benchmarks
AnTuTu Score
Xiaomi 15 Ultra
2,742,399
Xiaomi Redmi K90 Pro Max
3,865,467 +40.95%
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
CPU
Xiaomi 15 Ultra
604,150
Xiaomi Redmi K90 Pro Max
1,163,106 +92.52%
Measures the performance of a device's processor, focusing on tasks such as computing power and multi-core efficiency.
GPU
Xiaomi 15 Ultra
1,162,963
Xiaomi Redmi K90 Pro Max
1,394,796 +19.93%
Measures the graphical performance of a device's GPU, evaluating its ability to handle graphics-intensive tasks such as gaming and rendering.
Memory
Xiaomi 15 Ultra
541,237
Xiaomi Redmi K90 Pro Max
546,277 +0.93%
Measures the performance of a device's memory (RAM), measuring its speed and efficiency in handling multitasking and data-intensive applications.
UX
Xiaomi 15 Ultra
434,049
Xiaomi Redmi K90 Pro Max
761,288 +75.39%
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
Geekbench 6 · Multi-Core
Xiaomi 15 Ultra
10,059
Xiaomi Redmi K90 Pro Max
11,287 +12.21%
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Xiaomi 15 Ultra
3,234
Xiaomi Redmi K90 Pro Max
3,719 +15%
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Technical Specifications
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Specs
Xiaomi 15 Ultra
Xiaomi Redmi K90 Pro Max
Design
Weight
229 g (8.08 ounces)
218 g (7.69 ounces)
Thickness
9.4 mm (0.37 inches)
7.9 mm (0.31 inches)
Width
75.3 mm (2.96 inches)
77.8 mm (3.06 inches)
Height
161.3 mm (6.35 inches)
163.3 mm (6.43 inches)
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
1.5 m
Volume
114.17 cm³
100.37 cm³
Is dustproof and water-resistant
Waterproof
-
Color options
Black, White, Silver Chrome, Green
Black, White, Denim Blue, Lamborgini White
Water resistance
-
Waterproof
Display
Screen size
6.73"
6.9"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
522 ppi
416 ppi
Resolution
1440 x 3200 px
1200 x 2608 px
Refresh rate
120Hz
120Hz
Touch sampling rate
300Hz
480Hz
Has branded damage-resistant glass
-
✔
Supports HDR10
✔
✔
Supports HDR10+
✔
✔
Always-On Display
-
✔
Supports Dolby Vision
✔
✔
Contrast ratio
8000000:1
-
Has a touch screen
✔
✔
Performance
Internal storage
1000GB
256GB, 512GB, 1TB
RAM
16GB
12GB, 16GB
Android version
Android 15
Android 16
CPU speed
2 x 4.32 GHz & 6 x 3.53 GHz
2 x 4.6 GHz & 6 x 3.62 GHz
GPU clock speed
1100 MHz
1200 MHz
Has integrated LTE
✔
✔
RAM speed
5300 MHz
-
Semiconductor size
3 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 12
-
Has integrated graphics
✔
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
85.1 GB/s
85.1 GB/s
OpenCL version
3
-
L2 cache
12 MB
-
DDR memory version
5
-
Maximum memory amount
24GB
-
Uses multithreading
✔
-
Shading units
1536
1536
Release date
2025
2025
Memory channels
2
-
Supports ecc memory
✔
-
Cameras
Main camera
200 MP & 50 MP & 50 MP & 50 MP
50 MP & 50 MP & 50 MP
Front camera
32MP
32MP
Has built-in optical image stabilization
✔
✔
Video recording (main camera)
4320 x 30 fps
4320 x 30 fps
Wide aperture (main camera)
f/2.6 & f/1.8 & f/1.6 & f/2.2
f/1.7 & f/2.4 & f/3
Has a dual-tone LED flash
✔
✔
Has continuous autofocus when recording movies
✔
✔
Has phase-detection autofocus for photos
✔
✔
Supports slow-motion video recording
✔
✔
Has a built-in HDR mode
✔
✔
Has a flash
✔
✔
Has manual exposure
✔
✔
Has a dual-lens (or multi-lens) main camera
✔
✔
Optical zoom
4.3x
5x
Number of flash LEDs
2
2
Has a CMOS sensor
✔
-
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
✔
Has a front camera
✔
✔
Has laser autofocus
✔
✔
Has manual white balance
✔
✔
Shoots raw
✔
✔
Has touch autofocus
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.0
f/2.2
Has timelapse function
✔
✔
Supports Dolby Vision recording
✔
-
Minimum focal length
-
18 mm
Maximum focal length
-
115 mm
Pixel size (main camera)
0.56 µm & 0.7 µm & 1.6 µm & 0.64 µm
-
Supports HDR10 recording
✔
-
Operating system
Has clipboard warnings
✔
✔
Has location privacy options
✔
✔
Has camera/microphone privacy options
✔
✔
Has theme customization
✔
✔
Can play games while they download
✔
✔
Has dark mode
✔
✔
Has Wi-Fi password sharing
✔
-
Has battery health check
✔
✔
Has an extra dim mode
✔
✔
Has focus modes
✔
-
Has dynamic theming
✔
✔
Can offload apps
✔
✔
Has customizable notifications
✔
✔
Has scrolling screenshots
✔
-
Supports split screen
✔
✔
Supports instant markup
✔
-
Supports PiP and PaP
✔
-
More languages supported
125
-
Has sharing intents
✔
✔
Has a child lock
✔
✔
Supports widgets
✔
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Can block app tracking
-
✔
Has on-device machine learning
-
✔
Has Live Text
-
✔
Has offline voice recognition
✔
✔
The browser has word wrap
✔
-
Has voice commands
✔
✔
Has media picker
-
✔
Has full-page screenshots
-
✔
Has PiP
-
✔
Has notification permissions
-
✔
Battery
Battery power
6000 mAh
7560 mAh
Has wireless charging
✔
✔
Supports fast charging
✔
✔
Charging speed
90W
100W
Wireless charging speed
80W
50W
Has reverse wireless charging
✔
✔
Reverse wireless charging speed
10W
22.5W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Has stereo speakers
✔
✔
Has LDAC
✔
-
Has aptX HD
✔
-
Has aptX Adaptive
✔
-
Features
Has 5G support
✔
✔
Wi-Fi version
Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 7 (802.11be), Wi-Fi 6E (802.11ax)
Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 7 (802.11be)
Download speed
10000 MBits/s
10000 MBits/s
Upload speed
3500 MBits/s
3500 MBits/s
Has USB Type-C
✔
✔
USB version
3.2
3.2
Has NFC
✔
✔
SIM cards
2 SIM
2 SIM
Has a fingerprint scanner
✔
✔
Has emergency SOS via satellite
✔
-
Bluetooth version
6
5.4
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
✔
-
Supports Galileo
✔
✔
Has an infrared sensor
✔
✔
Has an accelerometer
✔
✔
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Xiaomi 15 Ultra
Vote for Your option
Xiaomi Redmi K90 Pro Max
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