Realme C100x vs Realme C31
Comparing the Realme C100x (2026) and the Realme C31 (2022) on specs and benchmarks. By overall MobileRank rating, the Realme C100x leads — 31/100 vs 10/100 (a 21-point difference). Key differences: the Realme C100x has the bigger battery (7500 mAh vs 5000); the main camera is 50 MP vs 13 MP; the Realme C100x has NFC for contactless payments, the Realme C31 doesn't.
Realme C100x
Realme C31
- Bigger battery: 7500 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Better camera (24/100 vs 0/100)
- Longer battery life (52/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Better design/ergonomics (53/100 vs 50/100)
Comparing the Realme C100x vs the Realme C31, the Realme C100x scores 21 points higher (31/100 vs 10/100). In the "camera" category, the Realme C100x leads (24/100 vs 0/100). In the "battery" category, the Realme C100x leads (52/100 vs 36/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Realme C100x significantly outperforms the Realme C31 (100/100 vs 0/100). In the "camera" category, the Realme C100x notably outperforms the Realme C31 (24/100 vs 0/100). In the "battery" category, the Realme C100x notably outperforms the Realme C31 (52/100 vs 36/100). In the "design" category, the Realme C31 and the Realme C100x are nearly equal (53/100 vs 50/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Realme C100x | Realme C31 | |
|---|---|---|---|
| Processor | — | Unisoc Tiger T612 | |
| AnTuTu | — | 200000 | |
| Geekbench Single | — | 360 | |
| Geekbench Multi | — | 1250 | |
| Display | 6.8" IPS LCD | 6.5" IPS LCD | |
| Resolution | 720x1640 | 720x1600 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7500 mAh | 5000 mAh | |
| Charging | — | — | |
| Main camera | 50 MP | 13 MP | |
| Front camera | 5 MP | 5 MP | |
| RAM | 4GB | 3GB / 4GB | |
| Storage | 128GB / 256GB | 32GB / 64GB | |
| OS | Android 16 | Android 11, Realme UI 2.0 | |
| Brightness (peak) | — | 400 nits | |
| NFC | yes | no | |
| Protection | IP64 | — | |
| Dimensions | — | 164.7×76.1×8.4 mm | |
| Weight | — | 197 g | |
| Price | — | — |
Realme C100x
- Main: 50MP f/f/1.8
- Front: 5MP
Realme C31
- Main: 13MP f/f/2.2
- Front: 5MP
Realme C100x
- 6.8" IPS LCD
- Resolution: 720x1640
- Refresh rate: 120 Hz
Realme C31
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Realme C100x
- 7500 mAh
- No wireless charging
Realme C31
- 5000 mAh
- No wireless charging
performance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Realme C100x significantly outperforms the Realme C31 (100/100 vs 0/100).
camera
In the "camera" category, the Realme C100x notably outperforms the Realme C31 (24/100 vs 0/100).
battery
In the "battery" category, the Realme C100x notably outperforms the Realme C31 (52/100 vs 36/100).
design
In the "design" category, the Realme C31 and the Realme C100x are nearly equal (53/100 vs 50/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Realme C100x or the Realme C31?
The Realme C100x significantly outperforms the Realme C31 by 21 points (31/100 vs 10/100).
What is the rating of the Realme C100x and the Realme C31?
The Realme C100x has a MobileRank rating of 31/100, the Realme C31 — 10/100.
Which has the better camera: the Realme C100x or the Realme C31?
The Realme C100x leads on camera score (24/100 vs 0/100).
Should you choose the Realme C100x over the Realme C31?
The Realme C100x is a better fit for everyday use. The Realme C31 is a better fit for everyday use.