realme C100x
realme C100x is a 6.81-inch 4G smartphone with the T7250 chip, a 50 MP main camera and an 8,000 mAh battery.
In short
realme C100x is a phone from realme. From ₹17,999 in India. Its Comparezi Score is 33.4 out of 100, ranked #246 of 347 phones. Key specifications: display size 6.81", processor T7250, RAM 4 GB.
Should you buy it now?
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- Display size
- 6.81"
- Processor
- T7250
- RAM
- 4 GB
- Main camera
- 50 MP
- Battery
- 8,000 mAh
Variant: 4 GB RAM + 64 GB
Where to buy
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realme Store
4 GB RAM + 64 GB
₹17,999
MRP ₹29,999
In stock View offer at realme Store
Prices checked 1 month ago.
Comparezi Score
How the 33.4 was computed
| Factor | This product | Position in category | Weight | Points |
|---|---|---|---|---|
| Battery | 8,000 mAh |
67%
|
14.9 | |
| Refresh rate | 120 Hz |
57%
|
5.1 | |
| Main camera | 50 MP |
22%
|
3.6 | |
| Charging speed | 45 W |
32%
|
2.5 | |
| RAM | 4 GB |
14%
|
2.4 | |
| Weight | 219 g |
38%
|
2.1 | |
| Display size | 6.81" |
36%
|
2.0 | |
| Storage | 64 GB |
7%
|
0.7 | |
| 5G | No | does not have it | 0.0 |
Each factor is placed between the lowest and highest value in Phones (0-100 %), multiplied by its weight, and summed. It is a computed figure, not a rating, and never uses reviews.
Pros
- 8,000 mAh battery, larger than 94 % of the 359 phones on Comparezi with a published figure
Cons
- No 5G support
- Heavier than most phones on Comparezi (219 g)
- Water resistance limited to splashes (IP64)
- No published update policy
Full specifications
Display
| Display size | 6.81" |
|---|---|
| Display type | LCD |
| Resolution | 720 x 1570 |
| Refresh rate | 120 Hz |
| Peak brightness | 900 nits |
| Brightness measured as | High brightness mode, HBM |
Performance
| Processor | T7250 |
|---|---|
| RAM | 4 GB |
| Storage | 64 GB |
| Memory options | 4 GB + |
Camera
| Main camera | 50 MP |
|---|---|
| Front camera | 5 MP |
Battery
| Battery | 8,000 mAh |
|---|---|
| Charging speed | 45 W |
Software
| Operating system | Android |
|---|---|
| Software | realme UI on Android 16 |
Build
| Weight | 219 g |
|---|---|
| 5G | No |
| Water resistance | IP64 |
| SIM | Dual SIM (Nano-SIM, Nano-USIM) + |
| Colours | Golden Coast, Deepblue Tides |
About the C100x
realme C100x is a 6.81-inch 4G smartphone with the T7250 chip, a 50 MP main camera and an 8,000 mAh battery. It is one of 43 realme phones and 368 phones compared on Comparezi.
realme C100x at a glance
- Display: 6.81-inch LCD, 120 Hz
- Processor: T7250
- Memory: 4 GB + 64 GB
- Cameras: a 50 MP main rear camera and a 5 MP front camera
- Battery: 8,000 mAh, 45 W wired charging
- Software (as listed): realme UI on Android 16
- Water and dust: IP64
- Weight: 219 g
Display
The realme C100x has a 6.81-inch LCD screen with a resolution of 720 x 1570. It refreshes at up to 120 Hz. realme quotes a peak brightness of 900 nits (measured as high brightness mode, HBM). Brands measure peak brightness in different ways (full screen, a small bright area, high brightness mode), so Comparezi does not rank phones on this figure.
Performance and memory
It runs on the T7250. Memory options: 4 GB + 64 GB.
Cameras
The main camera has a 50 MP sensor. The front camera is 5 MP.
Battery and charging
The battery is rated at 8,000 mAh, larger than 94 % of the 359 phones Comparezi has this figure for. Wired charging is rated at up to 45 W.
Software and updates
realme lists its software as realme UI on Android 16. realme does not publish an OS or security update policy for this model.
Design and durability
It weighs 219 g. It is rated IP64: dust-tight and protected against splashing water. It is a 4G phone without 5G. SIM: Dual SIM (Nano-SIM, Nano-USIM) + memory card. Colours: Golden Coast, Deepblue Tides.
Who should buy the realme C100x
On its published specifications, the realme C100x suits buyers who prioritise long battery life.
Strengths
- 8,000 mAh battery, larger than 94 % of the 359 phones on Comparezi with a published figure
Trade-offs
- No 5G support
- Heavier than most phones on Comparezi (219 g)
- Water resistance limited to splashes (IP64)
- No published update policy
How the realme C100x compares
The phones closest to it on specifications, from other brands:
- POCO M8x 5G. realme C100x vs POCO M8x 5G: full comparison
- POCO M8 Power 5G. realme C100x vs POCO M8 Power 5G: full comparison
- TECNO POVA 8 5G. realme C100x vs TECNO POVA 8 5G: full comparison
- Motorola Moto G06 Power: battery 8,000 mAh on the realme C100x vs 7,000 mAh on the Motorola Moto G06 Power; wired charging 45 W on the realme C100x vs 18 W on the Motorola Moto G06 Power. realme C100x vs Motorola Moto G06 Power: full comparison
Other realme phones
- realme P4x 5G (realme C100x vs realme P4x 5G)
- realme C75 5G (realme C100x vs realme C75 5G)
- realme P3 Lite 5G (realme C100x vs realme P3 Lite 5G)
See all realme phones.
Specifications from realme's official product page (www.realme.com), checked 12 October 2026. Specifications the manufacturer does not publish are left blank rather than estimated. Percentages compare published figures only; see how Comparezi compares phones.
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Head to head
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C100x vs P4x 5G
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C100x vs C75 5G
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Questions
C100x FAQs
Data sources
- Entered in admin
- Manufacturer official pages
Last updated
Product details
Prices checked
Disclosure
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