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Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Announced | November, 2025 | 2026, April 21 |
| Released | November, 2025 | 2026, April 21 |
| Status | Available | Available |
NETWORK6 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66, 71 | 1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66 |
| 5G | Sub‑6 GHz SA / NSA | 1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / WCDMA / LTE / 5G |
BODY5 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Build | Glass front, glass or ceramic back, aluminum frame | Glass front (Dragon Crystal Glass), Aluminum frame, Glass-fiber reinforced plastic back or silicone polymer back |
| Dimensions | 163.3 x 77.8 x 7.9 mm or 8.3 mm | 162.9 x 77.9 x 8.1 mm (6.41 x 3.07 x 0.32 in) |
| IP Rating | IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) | IP66/IP68/IP69 Dust/water Resistant |
| SIM | Dual Nano‑SIM or Nano‑SIM + eSIM | Nano-SIM + Nano-SIM |
| Weight | 218 g or 220 g (7.69 oz) | 227 g |
DISPLAY8 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Brightness | 800 nits (typ), 1060 nits (HBM), 3500 nits (peak) | 3500 nits (peak) |
| Features | HDR10+, Dolby Vision support | — |
| Protection | Reinforced premium glass | Xiaomi Dragon Crystal Glass |
| Refresh Rate | 120 Hz | 165Hz |
| Resolution | 1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density) | 1280 x 2772 pixels |
| Screen-to-body | 90% (very slim bezels) | ~90.3% |
| Size | 6.9 inches | 6.83 inches |
| Type | AMOLED, 120 Hz | AMOLED |
PLATFORM4 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| CPU | Octa-core (2x4.6 GHz Prime & 6x3.6 GHz Performance, Qualcomm Oryon) | Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro) |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 (3 nm) | MediaTek Dimensity 9500 |
| GPU | Adreno 840 | Mali-G1 Ultra MC12 |
| OS | HyperOS 3 based on Android 16 | Android 16; HyperOS 3 |
MEMORY5 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Card slot | No | No |
| Internal | 256 GB / 512 GB / 1 TB | 256 / 512 GB / 1 TB |
| RAM | 12 GB / 16 GB LPDDR5X | 12 / 16 GB |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Storage/RAM variants | 256 GB / 512 GB / 1 TB; 12 GB / 16 GB LPDDR5X RAM | 256 / 512 GB / 1 TB; 12 / 16 GB RAM |
MAIN CAMERA3 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Features | Laser autofocus, LED flash, HDR, panorama | LED Flash, Panorama, HDR |
| MAIN CAMERA | 50 MP wide, large sensor, OIS, 50 MP ultrawide, 50 MP telephoto, 5× optical zoom, OIS | 50 MP main with OIS; 8 MP ultrawide |
| Video | 8K at 30 fps, 4K at 60 fps | 8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
SELFIE CAMERA3 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Features | HDR, portrait effects | HDR |
| Selfie camera | 32 MP wide | 20 MP |
| Video | 4K recording | 1080p@30fps |
SOUND3 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| 3.5mm jack | No | No |
| Dolby Atmos | Supported | — |
| Loudspeaker | Stereo speakers with Dolby Atmos tuning | Yes, with Stereo Speakers |
COMMUNICATION6 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Bluetooth | 6.0 stable low‑energy connection | 5.4, A2DP, LE, LHDC |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO | Yes |
| Radio | No | No |
| USB | USB Type‑C | USB Type-C |
| WLAN | Wi‑Fi 7 | Wi-Fi 7, dual-band, Wi-Fi Direct |
FEATURES2 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Satellite | Not supported | — |
| Sensors | Under‑display fingerprint, accelerometer, gyro, proximity, compass | Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass |
BATTERY3 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Capacity | 6500 mAh | 8550mAh |
| Charging Type | 100 W wired fast charging, 50 W wireless charging | 100W wired; 22.5W reverse wired |
| Type | Li‑Po, non‑removable | Non-removable Li-Po Battery |
ADDITIONAL INFORMATION5 fields
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Colors | Denim Blue, Black | Silver, Blue, Black |
| Compatibility | — | China |
| Launch Price (USD) | $882.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | 25102PCBEG | Redmi K90 Max |
| Price in Nigeria | ₦1,200,000 – ₦1,500,000 | ₦1,150,000 |
SECURITY1 field
| Specification | Poco F8 Ultra | Redmi K90 Max |
|---|---|---|
| Security | Ultrasonic under‑display fingerprint sensor, secure hardware encryption | Biometric security: Fingerprint (under display, ultrasonic). |