Realme C100 4G vs Samsung Galaxy S26 Ultra
The Realme C100 4G (2026) runs on the Helio G92 Max, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $269 and $1299. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 84/100 vs 38/100 (a 46-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; the Samsung Galaxy S26 Ultra is faster in AnTuTu (3,463,142 vs 365,001).
Profile comparison
Category scores
Realme C100 4G
Samsung Galaxy S26 Ultra
What makes Realme C100 4G better?
- Bigger battery: 8000 vs 5000 mAh
- Cheaper at launch: $269 vs $1299
- Overall rating 38/100
What makes Samsung Galaxy S26 Ultra better?
- Higher AnTuTu: 3463142 vs 365001
- Better Geekbench Single: 3601 vs 430
- Better Geekbench Multi: 10686 vs 1375
- Faster charging: 60W vs 15W
- Better main camera: 200MP vs 50MP
- Lighter: 214g vs 219g
- Higher performance (96/100 vs 29/100)
- Better camera (86/100 vs 30/100)
- Longer battery life (61/100 vs 58/100)
- Better display (88/100 vs 55/100)
- Better portability (51/100 vs 41/100)
Comparison verdict
Comparing the Realme C100 4G vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 46 points higher (84/100 vs 38/100). In the "performance" category, the Samsung Galaxy S26 Ultra leads (96/100 vs 29/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 30/100). Value score: Realme C100 4G — 22/100, Samsung Galaxy S26 Ultra — 78/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 4G (96/100 vs 29/100). In the "display" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 4G (88/100 vs 55/100). In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 4G (86/100 vs 30/100). In the "battery" category, the Samsung Galaxy S26 Ultra and the Realme C100 4G are nearly equal (61/100 vs 58/100). In the "portability" category, the Samsung Galaxy S26 Ultra is a bit better (51/100 vs 41/100).
Specs comparison
| Specification | Realme C100 4G | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Helio G92 Max | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 365001 | 3463142 | |
| Geekbench Single | 430 | 3601 | |
| Geekbench Multi | 1375 | 10686 | |
| 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 | 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 | 8 MP | 12 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 / realme UI 7.0 | Android 16 / One UI 8.5 | |
| Brightness (peak) | 1200 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69K | IP68 | |
| Dimensions | 166.5×78.2×8.6 mm | 163.6×78.1×7.9 mm | |
| Weight | 219 g | 214 g | |
| Launch price | $269 | $1299 |
Camera comparison
Realme C100 4G
- Main: 50MP f/1.8
- Front: 8MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Realme C100 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Realme C100 4G
- 8000 mAh
- Wired: 15W
- No wireless charging
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
Overall performance score
We compared Realme C100 4G and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S26 Ultra leads Realme C100 4G by 89.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1030. Realme C100 4G was $1030 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 4G (96/100 vs 29/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 4G (88/100 vs 55/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 4G (86/100 vs 30/100).
battery
In the "battery" category, the Samsung Galaxy S26 Ultra and the Realme C100 4G are nearly equal (61/100 vs 58/100).
portability
In the "portability" category, the Samsung Galaxy S26 Ultra is a bit better (51/100 vs 41/100).
Frequently asked questions
Which is better: the Realme C100 4G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra significantly outperforms the Realme C100 4G by 46 points (84/100 vs 38/100).
What is the rating of the Realme C100 4G and the Samsung Galaxy S26 Ultra?
The Realme C100 4G has a MobileRank rating of 38/100, the Samsung Galaxy S26 Ultra — 84/100.
Which has the better camera: the Realme C100 4G 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 4G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (96/100 vs 29/100).
Should you choose the Realme C100 4G over the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, budget-conscious buyers.