Redmi K90 Ultra vs Samsung Galaxy Z Fold8
Which is Better?
Looking for the differences betweenRedmi K90 UltraandSamsung Galaxy Z Fold8?This side-by-side comparison covers price, display, chipset, performance, memory, cameras, battery, connectivity, features, dimensions, and other key specifications to help you decide which device is the better choice.
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| Specification | Redmi K90 Ultra | Samsung Galaxy Z Fold8 |
|---|---|---|
| General | ||
| Brand | Xiaomi | Samsung |
| Model | K90 Ultra | Galaxy Z Fold8 |
| Variants | — | 256GB/12GB RAM, 512GB/12GB RAM, 1TB/12GB RAM, 1TB/16GB RAM |
| Device Type | Smartphone | Foldable Smartphone |
| Price | ₱27,099 | ₱109,990 |
| Release | ||
| Status | Available | Available (Pre-order started July 22, 2026) |
| Announced | June 30, 2026 | July 22, 2026 |
| Released | July 1, 2026 | August 7, 2026 |
| Body | ||
| Dimensions | 162.91 x 77.93 x 8.18 mm | (Unfolded): 161.4 x 123.9 x 4.5 mm; (Folded): 81.9 x 123.9 x 9.7 mm |
| Weight | 227 g | 201 g |
| Build | Glass front, Aluminum alloy frame | Glass front (Ceramic 3), glass back (Victus 2), aluminum frame |
| Colors | Shadow Black, Space Silver, Sky Blue | Graphite, Cream, Lavender, Pistachio |
| SIM | Dual Nano-SIM | Nano-SIM + eSIM + eSIM (supports up to 2 simultaneously) |
| eSIM | — | Yes |
| Water Resistance | Yes | Yes |
| IP Rating | IP66, IP68, IP69 | IP48 (Dust and water-resistant) |
| Display | ||
| Display Type | 1.5K AMOLED (M10 substrate) | Foldable Dynamic LTPO AMOLED 2X (Inner), Dynamic LTPO AMOLED 2X (Cover) |
| Display Size | 6.83 inches | 7.6 inches (Inner), 5.5 inches (Cover) |
| Resolution | 1280 x 2772 pixels | 1828 x 2448 pixels (Inner, 4:3 ratio), 1248 x 1972 pixels (Cover) |
| Refresh Rate | 165 Hz | 120Hz (both displays) |
| Peak Brightness | 3,500 nits | 3000 nits |
| Screen Protection | — | Flex Titanium technology (Inner), Corning Gorilla Glass Ceramic 3 (Cover) |
| Screen-to-Body Ratio | 87% | 88.9% |
| Pixel Density | 416 ppi | 403 ppi (Inner), 428 ppi (Cover) |
| Display Features | HDR10+, Dolby Vision, 3500Hz instant touch sampling, DC Dimming | HDR10+, 240Hz touch sampling rate |
| Platform | ||
| Operating System | HyperOS 3 (Android 16) | Android 17 |
| Chipset | Qualcomm Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 for Galaxy (3nm) |
| CPU | Octa-core (2x 4.32 GHz Oryon V2 + 6x 3.53 GHz Oryon V2) | Octa-core (2x4.74 GHz Oryon V3, 6x3.62 GHz Oryon V3) |
| GPU | Adreno 840 (with D2 discrete gaming chip) | Adreno 840 (1.3GHz) |
| Software | ||
| User Interface | — | One UI 9.0 |
| Software Updates | — | 7 years of support |
| Memory | ||
| RAM | 12GB / 16GB LPDDR5X | 12GB / 16GB (LPDDR5X) |
| Internal Storage | 256GB / 512GB | 256GB / 512GB / 1TB (UFS 4.x) |
| Storage Type | UFS 4.1 | UFS 4.x |
| Memory Card Slot | No | No |
| Rear Camera | ||
| Camera Setup | Dual | Dual |
| Main Camera | 50MP (Light Fusion 800 sensor, f/1.68, OIS + EIS) | 50 MP, f/1.8, OIS |
| Ultra-Wide Camera | 8MP (f/2.2) | 50 MP, f/1.9, 120˚ |
| Telephoto Camera | No | N/A |
| Macro Camera | No | N/A |
| Depth Camera | No | N/A |
| Optical Image Stabilization | — | Yes |
| Camera Features | LED flash, Ultra XDR | LED flash, HDR, Panorama |
| Video Recording | 8K | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, OIS |
| Front Camera | ||
| Front Camera | 20MP | 10 MP (Cover), 10 MP (Under-display/Inner) |
| Front Camera Features | Face Unlock | HDR |
| Front Video Recording | 4K@30fps, 1080p@30/60fps | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
| Battery | ||
| Battery Capacity | 8,550mAh | 4800 mAh |
| Battery Type | Li-Ion (Jinshajiang) | Li-Ion |
| Wired Charging | 100W | 45W |
| Wireless Charging | No | 20W |
| Reverse Wired Charging | — | No |
| Reverse Wireless Charging | — | 4.5W |
| Charging Time | — | 63% in 30 minutes |
| Connectivity | ||
| Cellular | 5G SA/NSA | 5G (SA/NSA/Sub6/mmWave) |
| Wi-Fi | Wi-Fi 7 (802.11 ad) | Wi-Fi 7 (802.11be), tri-band |
| Bluetooth | 5.4 | 6.0 |
| GPS | L1+L5, Beidou, Galileo, GLONASS, QZSS, NavIC | GPS, GALILEO, GLONASS, BDS, QZSS |
| NFC | Yes | Yes |
| Infrared | Yes | No |
| USB | USB Type-C 3.2 | USB Type-C 3.2, OTG |
| USB Features | — | DisplayPort 1.2 |
| 3.5 mm Audio Jack | No | No |
| FM Radio | No | No |
| Sensors | ||
| Fingerprint Sensor | Under-display (3D Ultrasonic) | Side-mounted |
| Face Unlock | Yes | Yes |
| Accelerometer | Yes | Yes |
| Gyroscope | Yes | Yes |
| Proximity Sensor | Yes | Yes |
| Compass | Yes | Yes |
| Barometer | Yes | Yes |
| Audio | ||
| Speakers | Bose-tuned 1115X dual stereo speakers | Stereo speakers |
| Microphones | Dual | Dual |
| Dolby Atmos | Yes | Yes |
| Features | ||
| AI Features | D2 dedicated AI gaming chip, E-sports zone touch controls | Built-in Galaxy AI suite |
| Stylus Support | No | — |
| Satellite Connectivity | No | No |
| Security | HyperOS security suite | Samsung Knox, Side-mounted fingerprint, Face Unlock |
| Additional Features | Built-in active cooling fan, 6000mm² vapor chamber | Ultra Wideband (UWB) support, Flex Titanium hinge, DeX support |