Device Comparison
| Redmi K90 Pro Max | NaviX Ultra | |
|---|---|---|
| LAUNCH DATE | ||
| Announced | October, 2025 | 2026, September 16 |
| Released | October, 2025 | 2026-09-16 |
| Status | Available | Available |
| NETWORK | ||
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 2100 | WCDMA 850 / 900 / 1900 / 2100 |
| 4G LTE | 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 | TD-LTE, FDD-LTE (China carriers) |
| 5G | Sub‑6 GHz SA / NSA | Yes, 5G NR (China carriers) |
| Speed | HSPA, LTE, 5G | — |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| BODY | ||
| Build | Glass front, glass back, aluminum frame | Glass front, aluminum frame |
| Colors | — | Dreamscape, Blue Realm, Black, White |
| Dimensions | 163.3 x 77.8 x 7.9 mm (6.43 x 3.06 x 0.31 in) | 162.11 x 75.69 x 7.62 mm |
| IP Rating | IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) | IP68/IP69 |
| SIM | Dual Nano‑SIM | Dual Nano-SIM |
| Weight | 218 g (7.69 oz) | 208 g |
| DISPLAY | ||
| Brightness | 3500 nits (peak) | 4500 nits (peak) |
| Features | HDR10+, Dolby Vision support | — |
| Protection | Corning Gorilla Glass Victus 2 | — |
| Refresh Rate | 120Hz | 1-144Hz adaptive |
| Resolution | 1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density) | 1260 x 2800 pixels (1.5K, ~453 ppi) |
| Screen-to-body | 92% (ultra‑slim bezels) | — |
| Size | 6.9 inches, 116.6 cm2 (~91.8% screen-to-body ratio) | 6.78 inches |
| Type | AMOLED | LTPO 2.0 AMOLED (Q10+ material), 100% DCI-P3, DC dimming + 2160Hz PWM |
| PLATFORM | ||
| CPU | Octa-core (2x Prime & 6x Performance, Qualcomm Oryon) | Octa-core (2x 4.6 GHz + 6x 3.62 GHz Oryon V3) |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 (3 nm) | Qualcomm Snapdragon 8 Elite Gen 5 (3 nm) |
| GPU | Adreno 840 | Adreno 840 |
| OS | Android 16 | Android 16, Nebula AIOS (Doubao Mobile Assistant) |
| MEMORY | ||
| Card slot | No | No |
| Internal | 512 GB / 1 TB | 512GB / 1TB |
| RAM | 16 GB / 24 GB | 12GB / 16GB LPDDR5X (10667 Mbps) |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Storage/RAM variants | 512 GB / 1 TB; 16 GB / 24 GB RAM | 12GB+512GB, 16GB+512GB, 16GB+1TB |
| MAIN CAMERA | ||
| Features | Laser autofocus, LED flash, HDR, panorama | AI imaging suite, voice-guided photography |
| MAIN CAMERA | 50 MP wide, 1‑inch sensor, OIS, 50 MP ultrawide, 64 MP periscope telephoto, 5× optical zoom, OIS | 200 MP, f/1.6 (wide), OIS 64 MP periscope telephoto, 3x optical zoom 50 MP, f/2.0, 115° (ultrawide) |
| Video | 8K at 30 fps, 4K at 120 fps | 4K |
| SELFIE CAMERA | ||
| Features | HDR, portrait effects | — |
| Selfie camera | 32 MP wide | 32 MP, f/2.2 |
| Video | 4K video recording | — |
| SOUND | ||
| 3.5mm jack | No | No (USB Type-C audio) |
| Dolby Atmos | Supported | — |
| Loudspeaker | Stereo speakers with Dolby Atmos tuning | Yes, stereo speakers |
| COMMUNICATION | ||
| Bluetooth | 5.4 stable low‑energy connection | 6.0 |
| Infrared port | — | Yes |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS (L1+L5), GLONASS, Galileo, BDS |
| Radio | No | — |
| USB | USB Type‑C | USB Type-C 3.2 Gen 1, OTG |
| WLAN | Wi‑Fi 7 | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| FEATURES | ||
| Satellite | Not supported | — |
| Sensors | Ultrasonic under‑display fingerprint, accelerometer, gyro, proximity, compass | Fingerprint (on AI button), accelerometer, gyro, proximity, compass |
| BATTERY | ||
| Capacity | 7560 mAh | 7100 mAh |
| Charging Type | 100W wired, PD3.0, QC3+, 100W PPS; 50W wireless; 22.5W reverse wireless | 90W wired, 50W wireless, reverse wired and wireless |
| Type | Li‑Po, non‑removable | Si/C (silicon-carbon) |
| ADDITIONAL INFORMATION | ||
| Colors | Black, White, Denim Blue, Lamborgini White | Dreamscape, Blue Realm, Black, White |
| Compatibility | — | China-market model, China ROM |
| Cooling | Advanced multi‑layer vapor‑chamber cooling system | 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 |
| Launch Price (USD) | $550.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | Region‑specific variants | NX888J |
| Models and regions | — | China |
| Other | — | Dedicated physical AI button (Doubao assistant) |
| Price in Nigeria | ₦1,250,000 – ₦1,600,000 | ₦1,253,800 – ₦1,567,300 (estimate, converted from China launch price) |
| SECURITY | ||
| Security | Ultrasonic under‑display fingerprint sensor, face unlock | Fingerprint (AI button) |