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Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Announced | August 10, 2022 | 2026, June 30 |
| Released | 2022-08-25 | 2026, June 30 |
| Status | Available | Available |
NETWORK6 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 | 1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G | SA/NSA/Sub6 | 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA |
| Speed | LTE, 5G | HSPA, LTE, 5G |
| Technology | 5G/4G/LTE/GSM | GSM / WCDMA / LTE / 5G |
BODY5 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Build | Glass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame | Glass front, Aluminum frame |
| Dimensions | Unfolded: 155.1 x 130.1 x 6.3 mm Folded: 155.1 x 67.1 x 14.2-15.8 mm | 162.91 x 77.93 x 8.18 mm |
| IP Rating | IPX8 water resistant (up to 1.5m for 30 min), no dust rating | IP68/IP69 dust tight and Water resistant (high pressure water jets; immersible up to 1.5m for 30 min) |
| SIM | Nano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time) | Dual Nano-SIM |
| Weight | 263 g (9.28 oz) | 227 g |
DISPLAY7 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Brightness | 1200 nits (peak) | 3500 nits (peak) |
| Protection | Cover display: Dynamic AMOLED 2X, 120Hz, Corning Gorilla Glass Victus+ 6.2 inches, 904 x 2316 pixels, 23.1:9 ratio | — |
| Refresh Rate | 120Hz | 165Hz |
| Resolution | 1812 x 2176 pixels (~373 ppi density) | 1280 x 2772 pixels |
| Screen-to-body | ~90.9% | ~90.3% |
| Size | 7.6 inches, 183.2 cm2 (~90.9% screen-to-body ratio) | 6.83 inches |
| Type | Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak) | AMOLED |
PLATFORM4 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| CPU | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) | Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) |
| Chipset | Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) | Qualcomm Snapdragon 8 Elite |
| GPU | Adreno 730 | Adreno 830 (1200 MHz) |
| OS | Android 12L, up to 4 major Android upgrades, One UI 6.1.1 | Android 16; HyperOS |
MEMORY5 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Card slot | No | No |
| Internal | 256GB, 512GB, 1TB | 256 / 512 GB |
| RAM | 12GB RAM | 12 / 16 GB |
| Storage Type | — | UFS 4.1 |
| Storage/RAM variants | 256GB, 512GB, 1TB; 12GB RAM | 256 / 512 GB; 12 / 16 GB RAM |
MAIN CAMERA3 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Features | LED flash, HDR, panorama | Color spectrum sensor, LED Flash, Panorama, HDR |
| MAIN CAMERA | 50 MP, f/1.8, 23mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 66mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm | 50 MP main with OIS; 8 MP ultrawide |
| Video | 8K@24fps, 4K@60fps, 1080p@60/240fps (gyro-EIS), 720p@960fps (gyro-EIS), HDR10+ | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ |
SELFIE CAMERA3 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Features | HDR | HDR |
| Selfie camera | 10 MP, f/2.2 (cover); 4 MP, f/1.8 (under display) | 20 MP |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS | 4K@30/60fps, 1080p@30fps |
SOUND2 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| 3.5mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with Stereo Speakers |
COMMUNICATION6 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD | 5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS | Yes |
| Radio | No | No |
| USB | USB Type-C 3.2, OTG | USB Type-C |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct |
FEATURES1 field
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass |
BATTERY3 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Capacity | 4400 mAh | 8550mAh |
| Charging Type | 25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless | 100W wired; 22.5W reverse wired |
| Type | Li-Po 4400 mAh | Non-removable Si/C Li-Ion Battery |
ADDITIONAL INFORMATION5 fields
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Colors | Graygreen, Phantom Black, Beige, Burgundy | Black, Blue, Silver |
| Compatibility | — | China |
| Launch Price (USD) | $799.99 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | SM-F936B, SM-F936B/DS, SM-F936U, SM-F936U1, SM-F936N, SM-F936W, SM-F9360 | Redmi K90 Ultra 5G, 2604FRK1EC |
| Price in Nigeria | ₦530,000 (Saved seller price · not yet reverified) | ₦1,200,000 (Stored estimate) |
SECURITY1 field
| Specification | Galaxy Z Fold4 | Redmi K90 Ultra |
|---|---|---|
| Security | Biometric security: Fingerprint (side-mounted). | Biometric security: Fingerprint (under display, optical). |