realme C100 vs Redmi K90 Ultra
Which is Better?
Looking for the differences betweenrealme C100andRedmi K90 Ultra?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 | realme C100 | Redmi K90 Ultra |
|---|---|---|
| General | ||
| Brand | Realme | Xiaomi |
| Model | C100 | K90 Ultra |
| Variants | 4GB+256GB, 8GB+256GB | — |
| Device Type | Smartphone | Smartphone |
| Price | ₱16,999 | ₱27,099 |
| Release | ||
| Status | Available | Available |
| Announced | June 18, 2026 | June 30, 2026 |
| Released | June 18, 2026 | July 1, 2026 |
| Body | ||
| Dimensions | 166.5 x 78.2 x 8.6 mm | 162.91 x 77.93 x 8.18 mm |
| Weight | 219 g | 227 g |
| Build | Glass front, plastic frame, plastic back | Glass front, Aluminum alloy frame |
| Colors | Glory White, Triumphant Purple, Eternal Brown | Shadow Black, Space Silver, Sky Blue |
| SIM | Dual Nano-SIM | Dual Nano-SIM |
| eSIM | No | — |
| Water Resistance | Yes | Yes |
| IP Rating | IP69 Pro (includes IP66, IP68, IP69, IP69K) | IP66, IP68, IP69 |
| Display | ||
| Display Type | IPS LCD | 1.5K AMOLED (M10 substrate) |
| Display Size | 6.8 inches | 6.83 inches |
| Resolution | 720 x 1570 pixels | 1280 x 2772 pixels |
| Refresh Rate | 120Hz | 165 Hz |
| Peak Brightness | — | 3,500 nits |
| Screen Protection | ArmorShell Glass | — |
| Screen-to-Body Ratio | 90% | 87% |
| Pixel Density | 254 ppi | 416 ppi |
| Display Features | Rain Touch Mode | HDR10+, Dolby Vision, 3500Hz instant touch sampling, DC Dimming |
| Platform | ||
| Operating System | Android 16 | HyperOS 3 (Android 16) |
| Chipset | MediaTek Helio G92 Max | Qualcomm Snapdragon 8 Elite |
| CPU | Octa-core | Octa-core (2x 4.32 GHz Oryon V2 + 6x 3.53 GHz Oryon V2) |
| GPU | Mali-G57 | Adreno 840 (with D2 discrete gaming chip) |
| Software | ||
| User Interface | realme UI 7.0 | — |
| Software Updates | 7-Year Battery Health guarantee | — |
| Memory | ||
| RAM | 4GB / 8GB | 12GB / 16GB LPDDR5X |
| Internal Storage | 256GB | 256GB / 512GB |
| Storage Type | eMMC 5.1 | UFS 4.1 |
| Memory Card Slot | Yes | No |
| Rear Camera | ||
| Camera Setup | Single | Dual |
| Main Camera | 50 MP, f/1.8 | 50MP (Light Fusion 800 sensor, f/1.68, OIS + EIS) |
| Ultra-Wide Camera | No | 8MP (f/2.2) |
| Telephoto Camera | No | No |
| Macro Camera | No | No |
| Depth Camera | No | No |
| Optical Image Stabilization | No | — |
| Camera Features | LED flash, HDR, Panorama | LED flash, Ultra XDR |
| Video Recording | 1080p@30fps | 8K |
| Front Camera | ||
| Front Camera | 5 MP, f/2.2 | 20MP |
| Front Camera Features | HDR | Face Unlock |
| Front Video Recording | 1080p@30fps | 4K@30fps, 1080p@30/60fps |
| Battery | ||
| Battery Capacity | 8,000 mAh | 8,550mAh |
| Battery Type | Titan Battery (Li-Ion) | Li-Ion (Jinshajiang) |
| Wired Charging | 45W SUPERVOOC | 100W |
| Wireless Charging | No | No |
| Reverse Wired Charging | 10W | — |
| Reverse Wireless Charging | No | — |
| Charging Time | 0-50% in 46 minutes | — |
| Connectivity | ||
| Cellular | 4G LTE | 5G SA/NSA |
| Wi-Fi | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 7 (802.11 ad) |
| Bluetooth | 5.2 | 5.4 |
| GPS | GPS, GLONASS, BDS, GALILEO, QZSS | L1+L5, Beidou, Galileo, GLONASS, QZSS, NavIC |
| NFC | Market dependent | Yes |
| Infrared | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C 3.2 |
| USB Features | OTG | — |
| 3.5 mm Audio Jack | Yes | No |
| FM Radio | No | No |
| Sensors | ||
| Fingerprint Sensor | Side-mounted | Under-display (3D Ultrasonic) |
| Face Unlock | Yes | Yes |
| Accelerometer | Yes | Yes |
| Gyroscope | Yes | Yes |
| Proximity Sensor | Yes | Yes |
| Compass | Yes | Yes |
| Barometer | No | Yes |
| Audio | ||
| Speakers | Loudspeaker | Bose-tuned 1115X dual stereo speakers |
| Microphones | Dual | Dual |
| Dolby Atmos | No | Yes |
| Features | ||
| AI Features | AI-enhanced camera, optimized battery management | D2 dedicated AI gaming chip, E-sports zone touch controls |
| Stylus Support | No | No |
| Satellite Connectivity | No | No |
| Security | Side-mounted fingerprint, Face unlock | HyperOS security suite |
| Additional Features | MIL-STD-810H Military-Grade Shock Resistance, drop protection up to 2 meters | Built-in active cooling fan, 6000mm² vapor chamber |