Realme C100x vs Xiaomi 15S Pro
The Realme C100x (2026) runs on the Unisoc T7250, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1; launch prices were $175 and $760. By overall MobileRank rating, the Xiaomi 15S Pro leads — 84/100 vs 42/100 (a 42-point difference). Key differences: the Realme C100x has the bigger battery (8000 mAh vs 6100).
Realme C100x
Xiaomi 15S Pro
- Bigger battery: 8000 vs 6100 mAh
- Cheaper at launch: $175 vs $760
- Overall rating 42/100
- Better Geekbench Single: 2746 vs 600
- Better Geekbench Multi: 8431 vs 1800
- Faster charging: 90W vs 45W
- Higher performance (89/100 vs 32/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (77/100 vs 75/100)
- Better display (90/100 vs 55/100)
Comparing the Realme C100x vs the Xiaomi 15S Pro, the Xiaomi 15S Pro scores 42 points higher (84/100 vs 42/100). In the "performance" category, the Xiaomi 15S Pro leads (89/100 vs 32/100). In the "camera" category, the Xiaomi 15S Pro leads (78/100 vs 30/100). Value score: Realme C100x — 54/100, Xiaomi 15S Pro — 80/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15S Pro significantly outperforms the Realme C100x (89/100 vs 32/100). In the "display" category, the Xiaomi 15S Pro significantly outperforms the Realme C100x (90/100 vs 55/100). In the "camera" category, the Xiaomi 15S Pro significantly outperforms the Realme C100x (78/100 vs 30/100). In the "battery" category, the Xiaomi 15S Pro and the Realme C100x are nearly equal (77/100 vs 75/100).
| Specification | Realme C100x | Xiaomi 15S Pro | |
|---|---|---|---|
| Processor | Unisoc T7250 | Xiaomi XRING O1 | |
| AnTuTu | — | 2998904 | |
| Geekbench Single | 600 | 2746 | |
| Geekbench Multi | 1800 | 8431 | |
| Display | 6.8" IPS LCD | 6.7" LTPO AMOLED | |
| Resolution | 720x1570 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 6100 mAh | |
| Charging | 45W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 4GB / 6GB | 16GB | |
| Storage | 64GB / 128GB / 256GB | 512GB / 1TB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 900 nits | — | |
| NFC | yes | — | |
| Protection | IP64 | — | |
| Weight | 219 g | — | |
| Launch price | $175 | $760 |
Realme C100x
- Main: 50MP f/f/1.8
- Front: 5MP
Xiaomi 15S Pro
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Realme C100x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Xiaomi 15S Pro
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Realme C100x
- 8000 mAh
- Wired: 45W
- Wireless charging: no data
Xiaomi 15S Pro
- 6100 mAh
- Wired: 90W
- Wireless charging: no data
Launch price difference: $585. Realme C100x was $585 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15S Pro significantly outperforms the Realme C100x (89/100 vs 32/100).
display
In the "display" category, the Xiaomi 15S Pro significantly outperforms the Realme C100x (90/100 vs 55/100).
camera
In the "camera" category, the Xiaomi 15S Pro significantly outperforms the Realme C100x (78/100 vs 30/100).
battery
In the "battery" category, the Xiaomi 15S Pro and the Realme C100x are nearly equal (77/100 vs 75/100).
Which is better: the Realme C100x or the Xiaomi 15S Pro?
The Xiaomi 15S Pro significantly outperforms the Realme C100x by 42 points (84/100 vs 42/100).
What is the rating of the Realme C100x and the Xiaomi 15S Pro?
The Realme C100x has a MobileRank rating of 42/100, the Xiaomi 15S Pro — 84/100.
Which has the better camera: the Realme C100x or the Xiaomi 15S Pro?
The Xiaomi 15S Pro leads on camera score (78/100 vs 30/100).
Which is more powerful: the Realme C100x or the Xiaomi 15S Pro?
The Xiaomi 15S Pro leads on performance (89/100 vs 32/100).
Should you choose the Realme C100x over the Xiaomi 15S Pro?
The Realme C100x is a better fit for those who care about battery life. The Xiaomi 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.