Realme has launched a new budget smartphone called the Realme C100x. The phone is built for buyers who want two things above all else: a battery that lasts for days, and a body tough enough to survive daily bumps and drops.
The standout features are an 8,000mAh battery and MIL-STD-810H certification, a military-grade durability rating rarely seen at this price point. Realme says the battery alone can power the phone for two to three days of normal use.
Key highlights:
- 8,000mAh battery, rated for 2–3 days of use
- MIL-STD-810H military-grade durability rating
- 6.8-inch 120Hz display with Rain Touch Mode
- 50MP rear camera with Night and Portrait modes
- Priced at Rs. 14,499 (around $150) in India
Design and Durability: A Rugged Build for Daily Use
The Realme C100x is built around a reinforced ArmorShell chassis that meets MIL-STD-810H standards, a U.S. military testing benchmark. Phones that pass it are checked for resistance to drops, extreme temperatures, and other rough handling.
The phone also carries an IP64 rating, which protects it from dust and light water splashes.
Other design details include:
- A side-mounted fingerprint scanner for fast unlocking
- A 3.5mm headphone jack for wired earphones
- A customizable Pulse Light LED on the back that lights up for notifications and charging status
The C100x comes in two colors: Deepblue Tides and Golden Coast.
Display: A Large, Smooth 120Hz Screen
At the front is a 6.8-inch HD+ IPS LCD panel running at a 120Hz refresh rate for smoother scrolling and animations. Touch sampling goes up to 240Hz, so the screen reacts quickly to taps and swipes.
Brightness can reach up to 900 nits, which should help with visibility under direct sunlight. The panel is protected by Panda MN228 glass to resist scratches.
The display also supports Rain Touch Mode, keeping the touchscreen accurate even when your fingers are wet or oily — handy for outdoor use.
Performance and Software: Realme UI 7.0 on Android 16
Inside, the Realme C100x runs on a Unisoc T7250 octa-core processor paired with a Mali-G57 GPU. It comes with 4GB of LPDDR4X RAM and 64GB of eMMC 5.1 storage. Realme also offers virtual RAM expansion for extra multitasking room, and storage can grow by up to 2TB through a dedicated microSD card slot, separate from the SIM tray.
On the software side, the phone runs Realme UI 7.0, based on Android 16. Notable features include:
- AI Outdoor Mode, which automatically adjusts brightness and volume for outdoor conditions
- AI Netpilot, which helps keep the signal stable in areas with weak network coverage
- Built-in Google Gemini and Circle to Search, both available with a long press of the power button
Camera: 50MP Main Sensor With Smart Editing Tools
The Realme C100x has a 50-megapixel rear camera with an f/1.8 aperture. The front camera is 5 megapixels with an f/2.2 aperture, built for selfies and video calls.
The camera app includes Portrait, Night, and Panorama modes, along with Dual-view video, which records from the front and rear cameras at the same time. For quick edits, there’s a built-in object eraser and a Smart Image Matting tool.
Battery and Charging: 8,000mAh Built to Last
The 8,000mAh battery is the phone’s biggest selling point. Realme says it can last two to three days on typical, everyday use.
Charging is handled through 45W SuperVOOC fast charging, along with 6W reverse wired charging, which lets the phone top up other small devices when needed.
Realme also stands behind the battery’s long-term health: after seven years of typical use, it should still hold onto more than 80% of its starting capacity.
Realme C100x Price and Availability
The Realme C100x is priced at Rs. 14,499 in India, which works out to around $150. That price covers the only configuration on offer: 4GB of RAM with 64GB of storage. It’s available in Deepblue Tides and Golden Coast color options.
Realme C100x: Full Specifications
| Specification | Details |
|---|---|
| Display | 6.8-inch HD+ IPS LCD, 120Hz refresh rate, 240Hz touch sampling |
| Peak Brightness | 900 nits |
| Display Protection | Panda MN228 glass |
| Special Display Feature | Rain Touch Mode |
| Processor | Unisoc T7250 octa-core |
| GPU | Mali-G57 |
| RAM | 4GB LPDDR4X |
| Storage | 64GB eMMC 5.1 |
| Expandable Storage | Up to 2TB via dedicated microSD slot |
| Operating System | Realme UI 7.0, based on Android 16 |
| Rear Camera | 50MP, f/1.8 |
| Front Camera | 5MP, f/2.2 |
| Battery | 8,000mAh |
| Charging | 45W SuperVOOC (wired), 6W reverse wired |
| Durability | ArmorShell chassis, MIL-STD-810H, IP64 rating |
| Security | Side-mounted fingerprint scanner |
| Audio | 3.5mm headphone jack |
| Other Features | Pulse Light LED, AI Outdoor Mode, AI Netpilot, Google Gemini, Circle to Search |
| Colors | Deepblue Tides, Golden Coast |
| Price | Rs. 14,499 (~$150) — 4GB RAM + 64GB storage |
Frequently Asked Questions
What is the battery capacity of the Realme C100x? The Realme C100x has an 8,000mAh battery. Realme says it can last two to three days on average, everyday use.
Does the Realme C100x support fast charging? Yes. It supports 45W SuperVOOC fast charging, along with 6W reverse wired charging for topping up other small devices.
Is the Realme C100x water-resistant? It carries an IP64 rating, so it can handle dust and light water splashes. It is not fully waterproof and shouldn’t be submerged in water.
What does MIL-STD-810H mean? MIL-STD-810H is a U.S. military testing standard for durability. Phones with this rating are tested for resistance to drops, extreme temperatures, humidity, and other rough conditions.
Can I expand the storage on the Realme C100x? Yes. The phone has a dedicated microSD card slot, separate from the SIM tray, that supports up to 2TB of additional storage.
What is the price of the Realme C100x? The Realme C100x is priced at Rs. 14,499 in India (around $150) for the 4GB RAM + 64GB storage version.
Verdict: Should You Buy the Realme C100x?
The Realme C100x is built for buyers who value toughness and battery life over raw performance. With MIL-STD-810H durability, an 8,000mAh battery, and a smooth 120Hz display, it stands out in the budget segment — as long as 4GB of RAM and 64GB of storage are enough for your day-to-day needs.
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