Redmi K100 vs Redmi K90 Ultra
Both on the Snapdragon 8 Elite, 10,000 vs 8,550 mAh. Every spec side by side.
Design & Dimensions
162.91 mm
77.93 mm
Redmi K100
Thickness: 8.65 mm
Weight: 234.5 g
162.9 mm
77.9 mm
Redmi K90 Ultra
Thickness: 8.2 mm
Weight: 227 g
General Specifications | ||
| Specification | Redmi K100  | Redmi K90 Ultra  |
|---|---|---|
| Announced | October 2026 | June 2026 |
| Operating System | Xiaomi HyperOS 4 | HyperOS 3 (Android 16) |
| Launch Price (India) | Not launched in India | Not launched in India |
| Launch Price (China) | 12GB + 256GB: ¥3,499 | No info |
| 12GB + 512GB: ¥4,099 | ||
| 16GB + 512GB: ¥4,499 | ||
Design & Build | ||
| Height | 162.91 mm | 162.9 mm |
| Width | 77.93 mm | 77.9 mm |
| Thickness | 8.65 mm | 8.2 mm |
| Weight | 234.5 g | 227 g |
| Build | No info | Glass front, aluminium frame |
| Ingress Rating | IP66, IP68, IP69 and IP69K | IP66, IP68 and IP69 |
Display | ||
| Size | 6.83-inch | 6.83-inch |
| Technology | AMOLED, 12-bit colour, HDR10+, HDR Vivid, Dolby Vision | AMOLED, 12-bit colour, Dolby Vision, HDR10+, HDR Vivid |
| Resolution | 1280 x 2772 (447 ppi) | 1280 x 2772 (447 ppi) |
| Refresh Rate | 165 Hz | Up to 165 Hz |
| Peak Brightness | 3500 nits peak | 9500 nits peak (isolated spot, video playback) |
| Protection | No info | No info |
Performance & Hardware | ||
| Chipset | Qualcomm Snapdragon 8 Elite (3 nm) | Qualcomm Snapdragon 8 Elite (3 nm) |
| CPU | Octa-core, up to 4.32 GHz | Octa-core, 2 x 4.32 GHz + 6 x 3.53 GHz |
| GPU | Adreno 830 | Adreno 830 |
| AI Engine | Qualcomm AI Engine, plus Xiaomi D2 gaming chip | Dedicated gaming graphics chip |
| RAM | 12 GB / 16 GB LPDDR5X | 12 GB / 16 GB LPDDR5X |
| Storage | 256 GB / 512 GB, UFS 4.1 | 256 GB / 512 GB, UFS 4.1 |
Cameras | ||
| Main Camera | 50MP wide (Light Hunter 800, 1/1.55-inch), f/1.68, OIS | 50MP Light Hunter 800 wide, f/1.7, OIS |
| Ultra-Wide | 8MP | 8MP, f/2.2, 15 mm |
| Telephoto | None | None |
| Zoom | No optical zoom | No optical zoom |
| Front Camera | 20MP, f/2.2 | 20MP |
| Video | 8K at 30 fps, 4K at 30/60 fps, 1080p at 30/60 fps | 8K at 30 fps, 4K at 60 fps |
Battery & Charging | ||
| Battery | 10000 mAh typical (9800 mAh rated) | 8550 mAh typical, silicon-carbon |
| Charging | 100W wired, 27W reverse wired, wireless charging: No info | 100W wired, 22.5W reverse wired, no wireless charging |
Connectivity & Extras | ||
| Cellular | 5G | 5G |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | Bluetooth 5.4 | Bluetooth 5.4 |
| UWB | No info | No info |
| USB | USB-C | USB-C, OTG |
| Notable Features | Ultrasonic in-display fingerprint, stereo speakers, IR blaster, NFC, D2 gaming chip | In-display fingerprint, built-in cooling fan, Bose-tuned stereo speakers, IR blaster, NFC |
| Software Support | No info | No info |