Realme C83 5G vs Samsung Galaxy S26 Ultra
The Realme C83 5G (2026) runs on the MediaTek Dimensity 6400, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $130 and $1299. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 84/100 vs 47/100 (a 37-point difference). Key differences: the Realme C83 5G has the bigger battery (6000 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 581,041); the Realme C83 5G is noticeably lighter (198g vs 214g).
Profile comparison
Category scores
Realme C83 5G
Samsung Galaxy S26 Ultra
What makes Realme C83 5G better?
- Bigger battery: 6000 vs 5000 mAh
- Lighter: 198g vs 214g
- Cheaper at launch: $130 vs $1299
- Better portability (61/100 vs 51/100)
What makes Samsung Galaxy S26 Ultra better?
- Higher AnTuTu: 3463142 vs 581041
- Better Geekbench Single: 3601 vs 803
- Better Geekbench Multi: 10686 vs 2047
- Faster charging: 60W vs 15W
- Better main camera: 200MP vs 50MP
- Higher performance (96/100 vs 45/100)
- Better camera (86/100 vs 30/100)
- Longer battery life (61/100 vs 60/100)
- Better display (88/100 vs 66/100)
Comparison verdict
Comparing the Realme C83 5G vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 37 points higher (84/100 vs 47/100). In the "performance" category, the Samsung Galaxy S26 Ultra leads (96/100 vs 45/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 30/100). Value score: Realme C83 5G — 74/100, 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 C83 5G (96/100 vs 45/100). In the "display" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme C83 5G (88/100 vs 66/100). In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C83 5G (86/100 vs 30/100). In the "battery" category, the Samsung Galaxy S26 Ultra and the Realme C83 5G are nearly equal (61/100 vs 60/100). In the "portability" category, the Realme C83 5G is a bit better (61/100 vs 51/100).
Specs comparison
| Specification | Realme C83 5G | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6400 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 581041 | 3463142 | |
| Geekbench Single | 803 | 3601 | |
| Geekbench Multi | 2047 | 10686 | |
| Display | 6.7" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 2400x1080 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 5000 mAh | |
| Charging | 15W | 60W | |
| Wireless charging | — | 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 | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 / One UI 8.5 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.6×78.1×7.9 mm | |
| Weight | 198 g | 214 g | |
| Launch price | $130 | $1299 |
Camera comparison
Realme C83 5G
- 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 C83 5G
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Realme C83 5G
- 6000 mAh
- Wired: 15W
- Wireless charging: no data
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 C83 5G and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S26 Ultra leads Realme C83 5G by 83.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1169. Realme C83 5G was $1169 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C83 5G (96/100 vs 45/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme C83 5G (88/100 vs 66/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme C83 5G (86/100 vs 30/100).
battery
In the "battery" category, the Samsung Galaxy S26 Ultra and the Realme C83 5G are nearly equal (61/100 vs 60/100).
portability
In the "portability" category, the Realme C83 5G is a bit better (61/100 vs 51/100).
Frequently asked questions
Which is better: the Realme C83 5G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra significantly outperforms the Realme C83 5G by 37 points (84/100 vs 47/100).
What is the rating of the Realme C83 5G and the Samsung Galaxy S26 Ultra?
The Realme C83 5G has a MobileRank rating of 47/100, the Samsung Galaxy S26 Ultra — 84/100.
Which has the better camera: the Realme C83 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 C83 5G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (96/100 vs 45/100).
Should you choose the Realme C83 5G 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.