Redmi K50i vs Vivo X300 Ultra
The Redmi K50i (2022) runs on the MediaTek Dimensity 8100, 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 57/100 (a 34-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5080); the main camera is 64 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,092,605); the Vivo X300 Ultra has NFC for contactless payments, the Redmi K50i doesn't; the Redmi K50i is noticeably lighter (200g vs 230g).
Profile comparison
Category scores
Redmi K50i
Vivo X300 Ultra
What makes Redmi K50i better?
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 200g vs 230g
- Better portability (50/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 1092605
- Better Geekbench Single: 3639 vs 1139
- Better Geekbench Multi: 11047 vs 3842
- Bigger battery: 7000 vs 5080 mAh
- Faster charging: 100W vs 67W
- Better main camera: 200MP vs 64MP
- Higher performance (99/100 vs 62/100)
- Better camera (96/100 vs 43/100)
- Longer battery life (85/100 vs 54/100)
- Better display (89/100 vs 77/100)
Comparison verdict
Comparing the Redmi K50i vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 34 points higher (91/100 vs 57/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 62/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 43/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 54/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi K50i (99/100 vs 62/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 77/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi K50i (96/100 vs 43/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi K50i (85/100 vs 54/100). In the "portability" category, the Redmi K50i is a bit better (50/100 vs 39/100).
Specs comparison
| Specification | Redmi K50i | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8100 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1092605 | 4247433 | |
| Geekbench Single | 1139 | 3639 | |
| Geekbench Multi | 3842 | 11047 | |
| Display | 6.6" FFS LCD | 6.8" LTPO OLED | |
| Resolution | 1080x2460 | 3168x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5080 mAh | 7000 mAh | |
| Charging | 67W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 64 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 12, MIUI 13 | Android 16 | |
| Brightness (peak) | 650 nits | — | |
| NFC | no | yes | |
| Protection | IP53 | IP69 | |
| Dimensions | 163.6×74.3×8.9 mm | 163.0×76.8×8.2 mm | |
| Weight | 200 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Redmi K50i
- Main: 64MP f/1.9
- Ultrawide: 8MP
- Front: 16MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Redmi K50i
- 6.6" FFS LCD
- Resolution: 1080x2460
- Refresh rate: 144 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Redmi K50i
- 5080 mAh
- Wired: 67W
- 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 Redmi K50i and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Redmi K50i by 74.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K50i
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi K50i (99/100 vs 62/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 77/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi K50i (96/100 vs 43/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi K50i (85/100 vs 54/100).
portability
In the "portability" category, the Redmi K50i is a bit better (50/100 vs 39/100).
Frequently asked questions
Which is better: the Redmi K50i or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Redmi K50i by 34 points (91/100 vs 57/100).
What is the rating of the Redmi K50i and the Vivo X300 Ultra?
The Redmi K50i has a MobileRank rating of 57/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Redmi K50i or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 43/100).
Which is more powerful: the Redmi K50i or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 62/100).
Should you choose the Redmi K50i over the Vivo X300 Ultra?
The Redmi K50i is a better fit for active users. 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.