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).
Realme U1
Vivo X300 Ultra
- Lighter: 168g vs 230g
- Better portability (79/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 303398
- Better Geekbench Single: 3640 vs 341
- Better Geekbench Multi: 11033 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)
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).
| Specification | Realme U1 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio P70 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 303398 | 4247433 | |
| Geekbench Single | 341 | 3640 | |
| Geekbench Multi | 779 | 11033 | |
| 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 |
Realme U1
- Main: 13MP f/f/2.2
- Front: 25MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Realme U1
- 6.3" LTPS IPS LCD
- Resolution: 1080x2340
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
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
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.
Realme U1
Price unknownperformance
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).
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 Realme U1 is a better fit for everyday use. 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.