Xiaomi 15 Ultra vs Xiaomi Redmi K90 Max compare
The best smartphone comparison tool: compare Xiaomi 15 Ultra vs Xiaomi Redmi K90 Max and choose the best model for you
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Xiaomi 15 Ultra
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Xiaomi Redmi K90 Max
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Xiaomi 15 Ultra vs Xiaomi Redmi K90 Max
What is the difference between the Xiaomi 15 Ultra and Xiaomi Redmi K90 Max? Which one is better? The answers to these questions and many more can be found here in this detailed comparison of the two phones. Discover the differences in specs between these two desirable devices, from screen size to battery life, in the table below. We have all the information you need to choose the best phone for you.
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Common specs
| Brand and model | Xiaomi 15 Ultra | Xiaomi Redmi K90 Max | |
| Rating | (+) | (+) | |
| Review | |||
| Release date | 2025, February 27 | 2026, April 21 | |
| Dimensions (HxWxD) | 161.3 x 75.3 x 9.4 mm | 6.35 x 6.35 x 2.96 in | 162.9 x 77.9 x 8.1 mm | 6.41 x 6.41 x 3.07 in | |
| Weight | 226 g | 7.97 oz | 227 g | 8.01 oz | |
| Body Build | Glass front, glass-fiber back or silicone polymer back (eco leather), aluminum frame | Glass front (Dragon Crystal Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer back | |
| Colors | Black, White, Silver Chrome, Green | Silver, Blue, Black | |
| Battery | 6000 mAh, Si/C Li-Ion | 8550 mAh, Li-Po | |
| Body Form | Xiaomi | ||
| Approximate price | 860 EUR | 440 EUR |
Screen
| Technology | LTPO AMOLED | AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 68B | 68B | |
| Screen size | 6.73" inc | 6.83" inc | |
| Screen area | 108.9 cm2 | 114.5 cm2 | |
| Screen format | 20:9 (height:width) | 19.5:9 (height:width) | |
| Screen to body ratio | 89.7% | 90.3% | |
| Screen resolution | 1440 x 3200 px | 1200 x 2608 px | |
| Screen PPI /points per inch/ | 522 PPI | 447 PPI | |
| Screen protection | Xiaomi Shield Glass 2.0 | ||
| Other specs | - 120Hz, Dolby Vision, HDR10+, HDR Vivid, 3200 nits (peak) - |
- 165Hz, Dolby Vision, HDR10+, 3500 nits (peak) - |
Camera and Video
| Rear camera, main | 50 MP, Quad | 50 MP, Dual | |
| Camera specs | -50 MP, f/1.6, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS -50 MP, f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom -200 MP, f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 4.3x optical zoom -50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF -TOF 3D, (depth) |
-50 MP, f/1.68, 1/1.55", OIS -8 MP, f/2.2 |
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| Functions | Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional) | HDR, panorama | |
| Video | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p) | 8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS | |
| DxOMark Main Score | 153 | ||
| DxOMark Photo | 158 | ||
| DxOMark Video | 134 | ||
| Front camera, selfie | 32 MP, Single | 20 MP, Single | |
| Specifications | 32 MP, f/2.0, 21mm (wide), 1/3.14", 0.7µm | 20 MP | |
| Functions | HDR, panorama | HDR | |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS | 1080p@30/60fps |
Performance
| Operating system - OS | Android 15, up to 4 major Android upgrades, HyperOS 2 | Android 16, HyperOS 3 | |
| Chipset | - Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) | - MediaTek Dimensity 9500 (3nm) | |
| Processor CPU | - Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) | - Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro) | |
| Graphics processor GPU | Adreno 830 | Mali-G1 Ultra MC12 | |
| External memory | No | No | |
| Internal memory | 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM | 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
Benchmark
Communication and Connectivity
| SIM card | Nano-SIM + Nano-SIM | ||
| Network | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G | |
Show all network frequencies: |
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| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct | Wi-Fi 7, dual-band, Wi-Fi Direct | |
| GPS | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a+B2a), GALILEO (E1+E5a+E5b), QZSS(L1+L5), NavIC | |
| NFC | Yes | Yes | |
| USB | USB Type-C 3.2 Gen 2, DisplayPort, OTG | USB Type-C | |
| Bluetooth | 6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5 | 5.4, A2DP, LE, LHDC | |
Music and Audio
| Radio | No | No | |
| Headphone jack | No | No | |
| Others | - 24-bit/192kHz Hi-Res & Hi-Res Wireless audio | - Tuned by Bose -Bose 2.1 stereo sound system with a woofer -24-bit/192kHz Hi-Res & Hi-Res wireless audio |
Other features
| Sensors | - Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer , Infrared port | - Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass , Infrared port | |
| Other extras |
- Two-way satellite communication - 90W Fast charging, Power Delivery 3.0, Quick Charge 3+ -80W Wireless charging -10W Reverse wireless charging - IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
- 100W Fast charging, Power Delivery 3.0 -22.5W Reverse charging -22.5W Reverse wireless charging - IP66/IP68/IP69 dust/water resistant |
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