Xiaomi Redmi K90 Max
Released April 2020
Display
6.8 inches
Chip
Dimensity 9500
Camera
50 MP
Battery
8550 mAh
Network
4G/5G
Storage Type
UFS 3.1
3.5mm Jack
No
NFC
Yes
Starting From
Note: Prices may vary by country due to taxes and market differences. We provide the lowest estimated price for the base variant. Higher variants may cost slightly more.
Overview & Key Details
The Xiaomi Redmi K90 Max redefines the affordable flagship gaming smartphone category by packing high-tier tournament specifications and unprecedented battery endurance into a hyper-competitive price point. Driven by the elite 3nm MediaTek Dimensity 9500 processor paired with a dedicated AI D2 discrete graphics chip, up to 16GB of LPDDR5X RAM, and ultra-fast UFS 4.1 storage, it breezes through demanding 3D games running on Android 16-based Xiaomi HyperOS 3. The device is anchored by an immersive 6.83-inch 1.5K 165Hz AMOLED display that boasts a stunning 3,500 nits of peak brightness and advanced eye-protection technology. Designed for sustained hardcore gaming loops, it features a pioneering built-in mechanical active cooling fan and comprehensive IP68/IP69 water resistance. Its absolute standout feature is a monumental 8,550mAh silicon-carbon battery with 100W HyperCharge and direct motherboard bypass routing, forming the ultimate long-lasting machine for performance enthusiasts.
Network
| Technology | GSM / HSPA / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66 |
| 5G bands | 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G |
Display
| Size | 6.8 inches, 114.5 cm2 (~90.3% screen-to-body ratio) |
| Resolution | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) |
| Type | AMOLED, 68B colors |
| Refresh Rate | 165Hz |
| Brightness | 3500 nits (peak) |
| Protection | Dragon Crystal Glass |
| HDR | Dolby Vision, HDR10+, HDR Vivid |
Performance
| Chipset | MedaiTek Dimensity 9500 (4 nm) |
| CPU | Octa-core (1x3.25 GHz Cortex-A715 Ultra + 3x2.85 GHz Cortex-A715 & 4x2.0 GHz Cortex-A510) |
| GPU | Mali-G715 Ultra MC12 |
| RAM | 12GB, 16GB |
| Storage | 256GB, 512GB |
| Storage Type | UFS 3.1 |
| Expandable | No |
Main Camera
| Camera Type | Dual |
| Main Camera | 50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS |
| Ultrawide | 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm |
| Main Features | LED flash, HDR, panorama |
| Main Video | 8K@30fps, AK.30/60fps, 1080p@30/60/120/240/60fps, gyro-EIS |
Selfie Camera
| Selfie Camera Type | Single |
| Selfie Camera | 20 MP (wide) |
| Selfie Features | HDR |
| Selfie Video | 1080p@30/60fps |
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Battery
| Capacity | 8550 mAh |
| Wired Charging | 100W wired, 100W PPS, PD3.0 |
| Reverse Charging | 22.5W reverse wired |
Body
| Dimensions | 162.9 x 76.2 x 8.2 mm (6.41 x 3.00 x 0.32 in) |
| Weight | 227 g (8.01 oz) |
| Build | Back: Glass front (Dragon Crystal Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer back |
| SIM | Nano-SIM, eSIM |
| Water Resistance | IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) |
| Special Build | Built-in cooling fan |
Features & Connectivity
| Connectivity | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct |
| NFC | Yes |
| USB | USB Type-C |
| Biometrics | Fingerprint (under display, ultrasonic) |
| Sensors | Accelerometer, proximity, gyro, compass |
Audio
| Audio | Yes, with stereo speakers (with Dolby Atmos) |
| 3.5mm Jack | No |
| High Bitrate Audio | High-res wired audio via USB-C up to 24-bit/192kHz and handles premium wireless bitrates up to 990 kbps via Bluetooth 5.4 using advanced LHDC 5.0, LDAC, and aptX Adaptive codecs, driving custom Bose-tuned stereo speakers. |
Benchmarks
| AnTuTu | 3,154,200 |
| Geekbench Single | 3,513 |
| Geekbench Multi | 10,711 |
| DXOMark Camera | 23,734 (Averages a locked 142 FPS) |
| Battery Score | 27:15h (Massive uptime from the 8,550mAh cell) |
| Display Score | 146 / 100 (Top marks for 165Hz brightness pacing) |
| Overall Score | 94 / 100 |
Quick Overview
Popular Comparisons
Pros & Cons
Highlights
- Active Cooling & Sustained Peak Power
- Monumental 8,550mAh Battery Life
- Flawless 165Hz Pro-Esports Display
Trade-offs
- Chunky and Heavy Ergonomics
- Sub-Flagship Auxiliary Cameras
- Noticeable Fan Whine
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