Realme C75 vs Vivo X300 Ultra
The Realme C75 (2024) runs on the MediaTek Helio G92 Max, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $165 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 39/100 (a 52-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 365,001); the Vivo X300 Ultra has NFC for contactless payments, the Realme C75 doesn't; the Realme C75 is noticeably lighter (196g vs 230g).
Profile comparison
Category scores
Realme C75
Vivo X300 Ultra
What makes Realme C75 better?
- Lighter: 196g vs 230g
- Cheaper at launch: $165 vs $950
- Better portability (62/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 365001
- Better Geekbench Single: 3639 vs 430
- Better Geekbench Multi: 11047 vs 1375
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 45W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (99/100 vs 29/100)
- Better camera (96/100 vs 30/100)
- Longer battery life (85/100 vs 56/100)
- Better display (89/100 vs 54/100)
Comparison verdict
Comparing the Realme C75 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 52 points higher (91/100 vs 39/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 29/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 56/100). Value score: Realme C75 — 48/100, Vivo X300 Ultra — 94/100; 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 Vivo X300 Ultra significantly outperforms the Realme C75 (99/100 vs 29/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Realme C75 (89/100 vs 54/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C75 (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme C75 (85/100 vs 56/100). In the "portability" category, the Realme C75 notably outperforms the Vivo X300 Ultra (62/100 vs 39/100).
Specs comparison
| Specification | Realme C75 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G92 Max | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 365001 | 4247433 | |
| Geekbench Single | 430 | 3639 | |
| Geekbench Multi | 1375 | 11047 | |
| Display | 6.7" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1080x2400 | 3168x1440 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 45W | 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 | 8 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 14 | Android 16 | |
| Brightness (peak) | 690 nits | — | |
| NFC | no | yes | |
| Protection | IP69 | IP69 | |
| Dimensions | 165.7×76.2×8.0 mm | 163.0×76.8×8.2 mm | |
| Weight | 196 g | 230 g | |
| Launch price | $165 | $950 |
Camera comparison
Realme C75
- Main: 50MP f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Realme C75
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Realme C75
- 6000 mAh
- Wired: 45W
- 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 Realme C75 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Realme C75 by 91.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $785. Realme C75 was $785 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme C75 (99/100 vs 29/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Realme C75 (89/100 vs 54/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C75 (96/100 vs 30/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme C75 (85/100 vs 56/100).
portability
In the "portability" category, the Realme C75 notably outperforms the Vivo X300 Ultra (62/100 vs 39/100).
Frequently asked questions
Which is better: the Realme C75 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme C75 by 52 points (91/100 vs 39/100).
What is the rating of the Realme C75 and the Vivo X300 Ultra?
The Realme C75 has a MobileRank rating of 39/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme C75 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 30/100).
Which is more powerful: the Realme C75 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 29/100).
Should you choose the Realme C75 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.