realme C75x Key Features
realme C75x Specifications
Body & Design
- Dimensions
- 165.69 × 76.22 × 7.99 mm
- Weight
- 196 g
- Available colors
- Oceanic Blue; Coral Pink
Network & Cellular
- Network technology
- 4G LTE
- SIM configuration
- Dual Nano-SIM + microSD
Software & Processor
- Operating system
- Android 15
- User interface
- realme UI 6.0
- Chipset / SoC
- MediaTek Helio G81 Ultra
- CPU
- Octa-core, up to 2.0 GHz
RAM & Storage
- RAM
- 6GB / 8GB physical RAM
- Internal storage
- 128GB
Display
- Display technology
- IPS LCD
- Screen size
- 6.67 inches
- Resolution
- 720 × 1604
- Refresh rate
- 120 Hz
- Brightness (nits)
- 625 nits (HBM)
Camera & Video
- Rear camera setup
- 50MP, f/1.8
- Rear video recording
- 1080p at 30fps
- Front camera
- 5MP, f/2.2
- Front video recording
- 1080p at 30fps
Battery & Charging
- Battery capacity
- 5600mAh (typical)
- Wired charging
- 45W wired
Wireless & Connectivity
- Wi-Fi
- Wi-Fi 5 (802.11ac)
- Bluetooth
- 5.0
Sensors & Security
- Fingerprint reader
- Side-mounted
Durability & Repairability
- IP rating
- IP66 / IP68 / IP69
Additional Information
- Model numbers
- RMX5020
Price last checked: 2026-10-30
Prices may vary by variant and local market.
Who should consider the realme C75x?
realme C75x is best understood as a phone built around fast 120Hz scrolling and strong splash resistance. Its main hardware combines the MediaTek Helio G81 Ultra, a 6.67-inch IPS LCD screen with a 120Hz maximum refresh rate and 720 × 1604 resolution, and a 5,600mAh typical battery with up to 45W wired charging. Those are the points most likely to affect the experience after purchase.
The listed Pakistan price is Rs. 41,999, sourced from a Pakistani mobile-price listing. This is a price reference for comparison, not a live offer or a guarantee that every variant costs the same.
The biggest buying caution is HD+ resolution and a basic 5MP selfie camera. The strengths are real, but they do not remove the need to match the exact configuration, warranty and network status to the handset in front of you.
Display quality, screen motion and handling
The screen measures 6.67 inches and uses IPS LCD technology. Its 720 × 1604 pixel resolution matters for how fine small letters and images appear, while the 120Hz maximum refresh rate relates to how frequently motion can be redrawn. They are separate measurements; a fast refresh rate cannot recover detail missing from a lower-resolution panel.
The stated brightness reaches 625 nits (HBM). Peak or high-brightness figures are obtained under particular conditions and should not be interpreted as constant full-screen brightness. Outdoor legibility also depends on glare, viewing angle, the chosen screen protector and brightness settings.
A large screen is convenient for videos, route planning and reading messages, but this size can feel wide in smaller hands. Consider the width, case bulk and the distance your thumb must reach when comparing it with a compact phone.
Chipset, memory and real-world speed
The processor here is the MediaTek Helio G81 Ultra. Its practical purpose is straightforward everyday use: calls, web browsing, video playback, school and office apps, navigation and light gaming. Heavy graphics settings should not be assumed just because the phone has many CPU cores.
The published physical-memory information is 6GB / 8GB physical RAM. Storage is 128GB. Check the box label and system information together, particularly when a seller advertises an expansion figure that comes from using storage as virtual memory.
For ordinary multitasking, actual physical RAM and the speed of built-in storage are more important than a large virtual-RAM number in an advertisement. Keep enough free storage for application updates and camera files.
Cameras: useful hardware and sensible expectations
The principal rear camera is 50MP, f/1.8; the selfie camera is 5MP, f/2.2. The presence of a 50MP sensor does not by itself establish superior low-light pictures or faster autofocus; processing and the actual scene matter.
The published rear-video mode includes 1080p at 30fps, while the front camera specifies 1080p at 30fps. The format is important if you regularly record children, presentations or short social videos. Do not assume every lens supports the highest listed resolution, because manufacturers can apply different limits by camera and recording mode.
Treat this as a practical rather than specialist photography package. Bright daylight and a steady hand are sensible starting points; night photography may require processing time, and digital zoom is not equivalent to a dedicated optical lens.
Battery capacity, charging and daily routine
A 5,600mAh typical battery is the most obvious reason to investigate the realme C75x if you spend long hours away from a charger. Battery capacity is not a measured endurance score: GPS use, weak reception, video brightness, installed apps and background sync all alter the time between charges.
Wired charging is rated for up to 45W. That limit requires compatible charging equipment and conditions. Charging naturally slows as a battery fills and when temperature protection is active, so a nominal power rating should never be converted into an invented full-charge time.
In practice, efficient settings may matter more than chasing another few minutes at full brightness. Lowering unnecessary background activity and keeping good mobile signal can be more useful than assuming every user will obtain the same endurance.
Software, connections and Pakistan compatibility
The documented operating-system baseline is Android 15 with realme UI 6.0. This identifies the software platform specified for the model; an imported phone may have received later updates or be on a different regional firmware branch. System menus, software support and preinstalled services can change after updates.
Cellular support in the referenced model is 4G LTE. This is a 4G phone. A Pakistani buyer seeking 5G should not treat its Wi-Fi speed or high-refresh-rate screen as a substitute for a 5G cellular modem. Pakistan network compatibility should be assessed from the exact device variant and supported frequency bands, not simply from a 4G or 5G logo. Dual-SIM behavior, VoLTE availability and coverage also depend on the operator.
The published Wi-Fi capability is Wi-Fi 5 (802.11ac). Bluetooth is listed as version 5.0. For an imported device, the most useful pre-purchase checks are an original model identifier, both IMEIs where applicable, normal call function, mobile data, Wi-Fi, charging port and a display free from unexpected defects. Those simple checks answer more than a broad marketing slogan.
Build quality, durability and compromises
Realme specifies IP66 / IP68 / IP69 resistance for this model. Environmental resistance is not a licence to charge a wet phone, use it in salt water or assume that water damage is covered by the warranty. Seals wear with age and after repairs.
The C75x is easier to understand when separated from the similarly named C75. Its 120Hz refresh rate, updated software and 5,600mAh battery are credible daily benefits. The screen itself is HD+, however, so smaller text looks less fine than on the C75’s full-HD panel.
Physical RAM and software-expanded RAM should never be combined in a purchasing decision. An 8GB device remains an 8GB physical-memory device even if the settings menu advertises additional dynamic capacity.
Price, alternatives and the final buying decision
At Rs. 41,999, compare the exact RAM and storage version against competing offers rather than comparing prices without configurations. A lower sticker price can conceal a weaker warranty position, an overseas regional version or missing accessories. A more expensive listing is not automatically better either; focus on the package actually offered.
Within Realme’s range, the realme C75 is a useful specification cross-check. Compare its chipset, camera types, native display resolution and battery capacity rather than reading the model suffix as a quality ranking. The right answer depends on whether you value screen clarity, 5G connectivity, portrait photography, long battery life or demanding games most.
The realme C75x is a sensible match when fast 120Hz scrolling and strong splash resistance is your priority. It becomes a weaker fit when HD+ resolution and a basic 5MP selfie camera. Make the decision using the exact variant, its documented features and a verifiable Pakistan price; neither a fabricated performance claim nor an attractive product photograph should substitute for those checks.
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