Realme C100 4G vs Samsung Galaxy S25 Ultra
The Realme C100 4G (2026) runs on the MediaTek Helio G92 Max, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 66/100 vs 30/100 (a 36-point difference). Key differences: the Realme C100 4G has the bigger battery (8000 mAh vs 5000); the main camera is 50 MP vs 200 MP.
Realme C100 4G
Samsung Galaxy S25 Ultra
- Bigger battery: 8000 vs 5000 mAh
- Longer battery life (54/100 vs 45/100)
- Better value for money (55/100 vs 20/100)
- Faster charging: 45W vs 15W
- Better main camera: 200MP vs 50MP
- Lighter: 218g vs 219g
- Higher performance (67/100 vs 0/100)
- Better camera (81/100 vs 24/100)
- Better design/ergonomics (27/100 vs 26/100)
Comparing the Realme C100 4G vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 36 points higher (66/100 vs 30/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (67/100 vs 0/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 24/100). In the "value for money" category, the Realme C100 4G leads (55/100 vs 20/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme C100 4G (67/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme C100 4G (81/100 vs 24/100). In the "battery" category, the Realme C100 4G is a bit better (54/100 vs 45/100). In the "design" category, the Samsung Galaxy S25 Ultra and the Realme C100 4G are nearly equal (27/100 vs 26/100). In the "value for money" category, the Realme C100 4G significantly outperforms the Samsung Galaxy S25 Ultra (55/100 vs 20/100).
| Specification | Realme C100 4G | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G92 Max | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 2800202 | |
| Geekbench Single | — | 3100 | |
| Geekbench Multi | — | 9760 | |
| Display | 6.8" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 720x1570 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 5000 mAh | |
| Charging | 15W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 12 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16, Realme UI 7.0 | Android 15 / One UI 7 | |
| Brightness (peak) | 1200 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 166.5×78.2×8.6 mm | 162.8×77.6×8.2 mm | |
| Weight | 219 g | 218 g | |
| Price | — | $1299 |
Realme C100 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Realme C100 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Realme C100 4G
- 8000 mAh
- Wired: 15W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Realme C100 4G
Price unknownperformance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme C100 4G (67/100 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 S25 Ultra significantly outperforms the Realme C100 4G (81/100 vs 24/100).
battery
In the "battery" category, the Realme C100 4G is a bit better (54/100 vs 45/100).
design
In the "design" category, the Samsung Galaxy S25 Ultra and the Realme C100 4G are nearly equal (27/100 vs 26/100).
value for money
In the "value for money" category, the Realme C100 4G significantly outperforms the Samsung Galaxy S25 Ultra (55/100 vs 20/100).
Which is better: the Realme C100 4G or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the Realme C100 4G by 36 points (66/100 vs 30/100).
What is the rating of the Realme C100 4G and the Samsung Galaxy S25 Ultra?
The Realme C100 4G has a MobileRank rating of 30/100, the Samsung Galaxy S25 Ultra — 66/100.
Which has the better camera: the Realme C100 4G or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 24/100).
Which is more powerful: the Realme C100 4G or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (67/100 vs 0/100).
Should you choose the Realme C100 4G over the Samsung Galaxy S25 Ultra?
The Realme C100 4G is a better fit for everyday use. The Samsung Galaxy S25 Ultra is a better fit for active users, mobile photography enthusiasts.