Realme C85 4G vs Vivo X300 Ultra
The Realme C85 4G (2026) runs on the Snapdragon 685, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $145 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 42/100 (a 49-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 476,175); the Realme C85 4G is noticeably lighter (215g vs 230g).
Profile comparison
Category scores
Realme C85 4G
Vivo X300 Ultra
What makes Realme C85 4G better?
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 215g vs 230g
- Cheaper at launch: $145 vs $950
- Better portability (45/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 476175
- Better Geekbench Single: 3639 vs 466
- Better Geekbench Multi: 11047 vs 1396
- Faster charging: 100W vs 45W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 34/100)
- Better camera (96/100 vs 30/100)
- Longer battery life (85/100 vs 60/100)
- Better display (89/100 vs 65/100)
Comparison verdict
Comparing the Realme C85 4G vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 49 points higher (91/100 vs 42/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 34/100). 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 60/100). Value score: Realme C85 4G — 60/100, 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 C85 4G (99/100 vs 34/100). In the "display" category, the Vivo X300 Ultra notably outperforms the Realme C85 4G (89/100 vs 65/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C85 4G (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme C85 4G (85/100 vs 60/100). In the "portability" category, the Realme C85 4G is a bit better (45/100 vs 39/100).
Specs comparison
| Specification | Realme C85 4G | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 685 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 476175 | 4247433 | |
| Geekbench Single | 466 | 3639 | |
| Geekbench Multi | 1396 | 11047 | |
| Display | 6.8" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 720x1570 | 3168x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 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 | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 1200 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP69 | |
| Dimensions | 166.2×78.0×8.4 mm | 163.0×76.8×8.2 mm | |
| Weight | 215 g | 230 g | |
| Launch price | $145 | $950 |
Camera comparison
Realme C85 4G
- Main: 50MP f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Realme C85 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Realme C85 4G
- 7000 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 C85 4G and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Realme C85 4G by 88.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $805. Realme C85 4G was $805 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme C85 4G (99/100 vs 34/100).
display
In the "display" category, the Vivo X300 Ultra notably outperforms the Realme C85 4G (89/100 vs 65/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C85 4G (96/100 vs 30/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme C85 4G (85/100 vs 60/100).
portability
In the "portability" category, the Realme C85 4G is a bit better (45/100 vs 39/100).
Frequently asked questions
Which is better: the Realme C85 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme C85 4G by 49 points (91/100 vs 42/100).
What is the rating of the Realme C85 4G and the Vivo X300 Ultra?
The Realme C85 4G has a MobileRank rating of 42/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme C85 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 30/100).
Which is more powerful: the Realme C85 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 34/100).
Should you choose the Realme C85 4G 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.