Realme C100x vs Samsung Galaxy S26 Ultra
Comparing the Realme C100x (2026) and the Samsung Galaxy S26 Ultra (2026) on specs and benchmarks. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 75/100 vs 31/100 (a 44-point difference). Key differences: the Realme C100x has the bigger battery (7500 mAh vs 5000); the main camera is 50 MP vs 200 MP.
Realme C100x
Samsung Galaxy S26 Ultra
- Bigger battery: 7500 vs 5000 mAh
- Longer battery life (52/100 vs 51/100)
- Better design/ergonomics (50/100 vs 32/100)
- Better value for money (55/100 vs 20/100)
- Better main camera: 200MP vs 50MP
- Higher performance (84/100 vs 0/100)
- Better camera (86/100 vs 24/100)
Comparing the Realme C100x vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 44 points higher (75/100 vs 31/100). In the "performance" category, the Samsung Galaxy S26 Ultra leads (84/100 vs 0/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 24/100). In the "value for money" category, the Realme C100x leads (55/100 vs 20/100). In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100x (84/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100x (86/100 vs 24/100). In the "battery" category, the Realme C100x and the Samsung Galaxy S26 Ultra are nearly equal (52/100 vs 51/100). In the "design" category, the Realme C100x notably outperforms the Samsung Galaxy S26 Ultra (50/100 vs 32/100). In the "value for money" category, the Realme C100x significantly outperforms the Samsung Galaxy S26 Ultra (55/100 vs 20/100).
| Specification | Realme C100x | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | — | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 3515964 | |
| Geekbench Single | — | 3601 | |
| Geekbench Multi | — | 10686 | |
| Display | 6.8" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 720x1640 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7500 mAh | 5000 mAh | |
| Charging | — | 60W | |
| Wireless charging | 0W | 25W | |
| DXOMark (camera) | — | 157 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 12 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 / One UI 8.5 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | — | 163.6×78.1×7.9 mm | |
| Weight | — | 214 g | |
| Price | — | $1299 |
Realme C100x
- Main: 50MP f/f/1.8
- Front: 5MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Realme C100x
- 6.8" IPS LCD
- Resolution: 720x1640
- Refresh rate: 120 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Realme C100x
- 7500 mAh
- No wireless charging
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
Realme C100x
Price unknownperformance
In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100x (84/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100x (86/100 vs 24/100).
battery
In the "battery" category, the Realme C100x and the Samsung Galaxy S26 Ultra are nearly equal (52/100 vs 51/100).
design
In the "design" category, the Realme C100x notably outperforms the Samsung Galaxy S26 Ultra (50/100 vs 32/100).
value for money
In the "value for money" category, the Realme C100x significantly outperforms the Samsung Galaxy S26 Ultra (55/100 vs 20/100).
Which is better: the Realme C100x or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra significantly outperforms the Realme C100x by 44 points (75/100 vs 31/100).
What is the rating of the Realme C100x and the Samsung Galaxy S26 Ultra?
The Realme C100x has a MobileRank rating of 31/100, the Samsung Galaxy S26 Ultra — 75/100.
Which has the better camera: the Realme C100x or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 24/100).
Which is more powerful: the Realme C100x or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (84/100 vs 0/100).
Should you choose the Realme C100x over the Samsung Galaxy S26 Ultra?
The Realme C100x is a better fit for everyday use. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.