Redmi K90 Ultra vs Vivo X300 Pro
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X300 Pro (2025) runs on the Dimensity 9500; launch prices were $420 and $899. By overall MobileRank rating, the Vivo X300 Pro leads — 88/100 vs 73/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6510); the main camera is 50 MP vs 200 MP; the Vivo X300 Pro is faster in AnTuTu (3,326,259 vs 3,233,695).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo X300 Pro
What makes Redmi K90 Ultra better?
- Bigger battery: 8550 vs 6510 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $899
- Better display (94/100 vs 84/100)
What makes Vivo X300 Pro better?
- Higher AnTuTu: 3326259 vs 3233695
- Better Geekbench Single: 3293 vs 3013
- Better Geekbench Multi: 10243 vs 9287
- Better main camera: 200MP vs 50MP
- Lighter: 226g vs 227g
- Higher performance (94/100 vs 92/100)
- Better camera (96/100 vs 37/100)
- Longer battery life (81/100 vs 78/100)
- Better portability (43/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo X300 Pro, the Vivo X300 Pro scores 15 points higher (88/100 vs 73/100). In the "camera" category, the Vivo X300 Pro leads (96/100 vs 37/100). Value score: Redmi K90 Ultra — 72/100, Vivo X300 Pro — 88/100; 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 Pro and the Redmi K90 Ultra are nearly equal (94/100 vs 92/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the Vivo X300 Pro significantly outperforms the Redmi K90 Ultra (96/100 vs 37/100). In the "battery" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (81/100 vs 78/100). In the "portability" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (43/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo X300 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Dimensity 9500 | |
| AnTuTu | 3233695 | 3326259 | |
| Geekbench Single | 3013 | 3293 | |
| Geekbench Multi | 9287 | 10243 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 1260x2800 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 6510 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 171 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 161.2×75.5×8.0 mm | |
| Weight | 227 g | 226 g | |
| Launch price | $420 | $899 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo X300 Pro
- Main: 200MP f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo X300 Pro
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo X300 Pro
- 6510 mAh
- NanoReview test: web browsing 13:30 hrs, total 24:37 hrs
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Redmi K90 Ultra and Vivo X300 Pro, covering their specs and all relevant benchmarks.
Vivo X300 Pro leads Redmi K90 Ultra by 2.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $479. Redmi K90 Ultra was $479 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (94/100 vs 92/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the Vivo X300 Pro significantly outperforms the Redmi K90 Ultra (96/100 vs 37/100).
battery
In the "battery" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (81/100 vs 78/100).
portability
In the "portability" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (43/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo X300 Pro?
The Vivo X300 Pro is noticeably better than the Redmi K90 Ultra — the overall rating gap is 15 points.
What is the rating of the Redmi K90 Ultra and the Vivo X300 Pro?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo X300 Pro — 88/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo X300 Pro?
The Vivo X300 Pro leads on camera score (96/100 vs 37/100).
Should you choose the Redmi K90 Ultra over the Vivo X300 Pro?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo X300 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.