Realme U1 vs Vivo X300 Ultra
The Realme U1 (2018) runs on the MediaTek Helio P70, 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 26/100 (a 65-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 3500); the main camera is 13 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 303,398); the Vivo X300 Ultra has NFC for contactless payments, the Realme U1 doesn't; the Realme U1 is noticeably lighter (168g vs 230g).
Profile comparison
Category scores
Realme U1
Vivo X300 Ultra
What makes Realme U1 better?
- Lighter: 168g vs 230g
- Better portability (79/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 303398
- Better Geekbench Single: 3639 vs 341
- Better Geekbench Multi: 11047 vs 779
- Bigger battery: 7000 vs 3500 mAh
- Faster charging: 100W vs 10W
- Better main camera: 200MP vs 13MP
- Higher performance (99/100 vs 20/100)
- Better camera (96/100 vs 16/100)
- Longer battery life (85/100 vs 12/100)
- Better display (89/100 vs 58/100)
Comparison verdict
Comparing the Realme U1 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 65 points higher (91/100 vs 26/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 20/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 16/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 12/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme U1 (99/100 vs 20/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Realme U1 (89/100 vs 58/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme U1 (96/100 vs 16/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Realme U1 (85/100 vs 12/100). In the "portability" category, the Realme U1 significantly outperforms the Vivo X300 Ultra (79/100 vs 39/100).
Specs comparison
| Specification | Realme U1 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio P70 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 303398 | 4247433 | |
| Geekbench Single | 341 | 3639 | |
| Geekbench Multi | 779 | 11047 | |
| Display | 6.3" LTPS IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1080x2340 | 3168x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 3500 mAh | 7000 mAh | |
| Charging | 10W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 13 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 25 MP | 32 MP | |
| RAM | 3GB / 4GB | 12GB / 16GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 8.1 (Oreo); ColorOS 5.2 | Android 16 | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 157.0×74.0×8.0 mm | 163.0×76.8×8.2 mm | |
| Weight | 168 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Realme U1
- Main: 13MP f/2.2
- Front: 25MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Realme U1
- 6.3" LTPS IPS LCD
- Resolution: 1080x2340
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Realme U1
- 3500 mAh
- Wired: 10W
- 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 U1 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Realme U1 by 92.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme U1
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme U1 (99/100 vs 20/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Realme U1 (89/100 vs 58/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme U1 (96/100 vs 16/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Realme U1 (85/100 vs 12/100).
portability
In the "portability" category, the Realme U1 significantly outperforms the Vivo X300 Ultra (79/100 vs 39/100).
Frequently asked questions
Which is better: the Realme U1 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme U1 by 65 points (91/100 vs 26/100).
What is the rating of the Realme U1 and the Vivo X300 Ultra?
The Realme U1 has a MobileRank rating of 26/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme U1 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 16/100).
Which is more powerful: the Realme U1 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 20/100).
Should you choose the Realme U1 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.