DailyTechPricesDevice Comparison
| Redmi K90 Ultra | NaviX Ultra | |
|---|---|---|
| LAUNCH DATE | ||
| Announced | 2026, June 30 | 2026, September 16 |
| Released | 2026, June 30 | 2026-09-16 |
| Status | Available | Available |
| NETWORK | ||
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | WCDMA 850 / 900 / 1900 / 2100 |
| 4G LTE | 1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66 | TD-LTE, FDD-LTE (China carriers) |
| 5G | 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA | Yes, 5G NR (China carriers) |
| Speed | HSPA, LTE, 5G | — |
| Technology | GSM / WCDMA / LTE / 5G | GSM / HSPA / LTE / 5G |
| BODY | ||
| Build | Glass front, Aluminum frame | Glass front, aluminum frame |
| Colors | — | Dreamscape, Blue Realm, Black, White |
| Dimensions | 162.91 x 77.93 x 8.18 mm | 162.11 x 75.69 x 7.62 mm |
| IP Rating | IP68/IP69 dust tight and Water resistant (high pressure water jets; immersible up to 1.5m for 30 min) | IP68/IP69 |
| SIM | Dual Nano-SIM | Dual Nano-SIM |
| Weight | 227 g | 208 g |
| DISPLAY | ||
| Brightness | 3500 nits (peak) | 4500 nits (peak) |
| Refresh Rate | 165Hz | 1-144Hz adaptive |
| Resolution | 1280 x 2772 pixels | 1260 x 2800 pixels (1.5K, ~453 ppi) |
| Screen-to-body | ~90.3% | — |
| Size | 6.83 inches | 6.78 inches |
| Type | AMOLED | LTPO 2.0 AMOLED (Q10+ material), 100% DCI-P3, DC dimming + 2160Hz PWM |
| PLATFORM | ||
| CPU | Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) | Octa-core (2x 4.6 GHz + 6x 3.62 GHz Oryon V3) |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 (3 nm) |
| GPU | Adreno 830 (1200 MHz) | Adreno 840 |
| OS | Android 16; HyperOS | Android 16, Nebula AIOS (Doubao Mobile Assistant) |
| MEMORY | ||
| Card slot | No | No |
| Internal | 256 / 512 GB | 512GB / 1TB |
| RAM | 12 / 16 GB | 12GB / 16GB LPDDR5X (10667 Mbps) |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Storage/RAM variants | 256 / 512 GB; 12 / 16 GB RAM | 12GB+512GB, 16GB+512GB, 16GB+1TB |
| MAIN CAMERA | ||
| Features | Color spectrum sensor, LED Flash, Panorama, HDR | AI imaging suite, voice-guided photography |
| MAIN CAMERA | 50 MP main with OIS; 8 MP ultrawide | 200 MP, f/1.6 (wide), OIS 64 MP periscope telephoto, 3x optical zoom 50 MP, f/2.0, 115° (ultrawide) |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ | 4K |
| SELFIE CAMERA | ||
| Features | HDR | — |
| Selfie camera | 20 MP | 32 MP, f/2.2 |
| Video | 4K@30/60fps, 1080p@30fps | — |
| SOUND | ||
| 3.5mm jack | No | No (USB Type-C audio) |
| Loudspeaker | Yes, with Stereo Speakers | Yes, stereo speakers |
| COMMUNICATION | ||
| Bluetooth | 5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast | 6.0 |
| Infrared port | — | Yes |
| NFC | Yes | Yes |
| Positioning | Yes | GPS (L1+L5), GLONASS, Galileo, BDS |
| Radio | No | — |
| USB | USB Type-C | USB Type-C 3.2 Gen 1, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| FEATURES | ||
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass | Fingerprint (on AI button), accelerometer, gyro, proximity, compass |
| BATTERY | ||
| Capacity | 8550mAh | 7100 mAh |
| Charging Type | 100W wired; 22.5W reverse wired | 90W wired, 50W wireless, reverse wired and wireless |
| Type | Non-removable Si/C Li-Ion Battery | Si/C (silicon-carbon) |
| ADDITIONAL INFORMATION | ||
| Colors | Black, Blue, Silver | Dreamscape, Blue Realm, Black, White |
| Compatibility | China | China-market model, China ROM |
| Cooling | — | Vapor chamber, 7100 mm² heat-dissipation area |
| Launch Price | — | CNY 5,999 (12GB+512GB) — China; CNY 6,499 (16GB+512GB) — China; CNY 7,499 (16GB+1TB) — China |
| Models | Redmi K90 Ultra 5G, 2604FRK1EC | NX888J |
| Models and regions | — | China |
| Other | — | Dedicated physical AI button (Doubao assistant) |
| Price in Nigeria | ₦1,200,000 | ₦1,253,800 – ₦1,567,300 (estimate, converted from China launch price) |
| SECURITY | ||
| Security | Biometric security: Fingerprint (under display, optical). | Fingerprint (AI button) |