Realme C100 5G vs Samsung Galaxy S26 Ultra
The Realme C100 5G (2026) runs on the Dimensity 6300, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $210 and $1299. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 84/100 vs 45/100 (a 39-point difference). Key differences: the Realme C100 5G has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy S26 Ultra is faster in AnTuTu (3,515,964 vs 524,785); the Samsung Galaxy S26 Ultra has NFC for contactless payments, the Realme C100 5G doesn't; the Samsung Galaxy S26 Ultra is thinner (7.9mm vs 8.9mm).
Realme C100 5G
Samsung Galaxy S26 Ultra
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $210 vs $1299
- Overall rating 45/100
- Higher AnTuTu: 3515964 vs 524785
- Better Geekbench Single: 3601 vs 771
- Better Geekbench Multi: 10686 vs 1980
- Faster charging: 60W vs 45W
- Better main camera: 200MP vs 50MP
- Lighter: 214g vs 224g
- Higher performance (96/100 vs 43/100)
- Better camera (86/100 vs 30/100)
- Longer battery life (61/100 vs 60/100)
- Better display (88/100 vs 65/100)
- Better portability (51/100 vs 36/100)
- Better value for money (76/100 vs 50/100)
Comparing the Realme C100 5G vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 39 points higher (84/100 vs 45/100). In the "performance" category, the Samsung Galaxy S26 Ultra leads (96/100 vs 43/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 30/100). In the "value for money" category, the Samsung Galaxy S26 Ultra leads (76/100 vs 50/100). In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 5G (96/100 vs 43/100). In the "display" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme C100 5G (88/100 vs 65/100). In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 5G (86/100 vs 30/100). In the "battery" category, the Samsung Galaxy S26 Ultra and the Realme C100 5G are nearly equal (61/100 vs 60/100). In the "portability" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme C100 5G (51/100 vs 36/100). In the "value for money" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme C100 5G (76/100 vs 50/100).
| Specification | Realme C100 5G | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 524785 | 3515964 | |
| Geekbench Single | 771 | 3601 | |
| Geekbench Multi | 1980 | 10686 | |
| Display | 6.8" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 720x1570 | 3120x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 45W | 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 / 6GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 / realme UI 7.0 | Android 16 / One UI 8.5 | |
| Brightness (peak) | 900 nits | 2600 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 166.8×78.2×8.9 mm | 163.6×78.1×7.9 mm | |
| Weight | 224 g | 214 g | |
| Launch price | $210 | $1299 |
Realme C100 5G
- 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 C100 5G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Realme C100 5G
- 7000 mAh
- Wired: 45W
- No wireless charging
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
We compared Realme C100 5G and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S26 Ultra leads Realme C100 5G by 85.1% in our overall performance rating.
Launch price difference: $1089. Realme C100 5G was $1089 cheaper at launch.
performance
In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 5G (96/100 vs 43/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme C100 5G (88/100 vs 65/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 5G (86/100 vs 30/100).
battery
In the "battery" category, the Samsung Galaxy S26 Ultra and the Realme C100 5G are nearly equal (61/100 vs 60/100).
portability
In the "portability" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme C100 5G (51/100 vs 36/100).
value for money
In the "value for money" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme C100 5G (76/100 vs 50/100).
Which is better: the Realme C100 5G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 5G by 39 points (84/100 vs 45/100).
What is the rating of the Realme C100 5G and the Samsung Galaxy S26 Ultra?
The Realme C100 5G has a MobileRank rating of 45/100, the Samsung Galaxy S26 Ultra — 84/100.
Which has the better camera: the Realme C100 5G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 30/100).
Which is more powerful: the Realme C100 5G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (96/100 vs 43/100).
Should you choose the Realme C100 5G over the Samsung Galaxy S26 Ultra?
The Realme C100 5G is a better fit for everyday use. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, budget-conscious buyers.