Karbonn Rebel vs Vivo X300 Ultra
The Karbonn Rebel (2026) runs on the MediaTek Helio G81, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 37/100 (a 54-point difference). Key differences: the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 358,608).
Profile comparison
Category scores
Karbonn Rebel
Vivo X300 Ultra
What makes Karbonn Rebel better?
- Overall rating 37/100
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 358608
- Better Geekbench Single: 3639 vs 432
- Better Geekbench Multi: 11047 vs 1416
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (99/100 vs 30/100)
- Better camera (96/100 vs 31/100)
- Longer battery life (85/100 vs 55/100)
- Better display (89/100 vs 48/100)
Comparison verdict
Comparing the Karbonn Rebel vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 54 points higher (91/100 vs 37/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 30/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 31/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 55/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Karbonn Rebel (99/100 vs 30/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Karbonn Rebel (89/100 vs 48/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Karbonn Rebel (96/100 vs 31/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Karbonn Rebel (85/100 vs 55/100).
Specs comparison
| Specification | Karbonn Rebel | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G81 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 358608 | 4247433 | |
| Geekbench Single | 432 | 3639 | |
| Geekbench Multi | 1416 | 11047 | |
| Display | 6.8" IPS LCD | 6.8" LTPO OLED | |
| Resolution | — | 3168x1440 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 7000 mAh | 7000 mAh | |
| Charging | 18W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | — | 32 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| NFC | — | yes | |
| Protection | IP64 | IP69 | |
| Dimensions | — | 163.0×76.8×8.2 mm | |
| Weight | — | 230 g | |
| Launch price | — | $950 |
Camera comparison
Karbonn Rebel
- Main: 50MP f/1.8
- Front: —
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Karbonn Rebel
- 6.8" IPS LCD
- Refresh rate: 90 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Karbonn Rebel
- 7000 mAh
- Wired: 18W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Karbonn Rebel and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Karbonn Rebel by 91.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Karbonn Rebel
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Karbonn Rebel (99/100 vs 30/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Karbonn Rebel (89/100 vs 48/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Karbonn Rebel (96/100 vs 31/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Karbonn Rebel (85/100 vs 55/100).
Frequently asked questions
Which is better: the Karbonn Rebel or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Karbonn Rebel by 54 points (91/100 vs 37/100).
What is the rating of the Karbonn Rebel and the Vivo X300 Ultra?
The Karbonn Rebel has a MobileRank rating of 37/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Karbonn Rebel or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 31/100).
Which is more powerful: the Karbonn Rebel or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 30/100).
Should you choose the Karbonn Rebel over the Vivo X300 Ultra?
The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.