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; estimated prices are $420 and $899. By overall MobileRank rating, the Vivo X300 Pro leads — 87/100 vs 75/100 (a 12-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 (3,269,794 vs 3,119,308).
Redmi K90 Ultra
Vivo X300 Pro
- Bigger battery: 8550 vs 6510 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $899
- Longer battery life (92/100 vs 81/100)
- Better display (94/100 vs 84/100)
- Higher AnTuTu: 3269794 vs 3119308
- Better Geekbench Single: 3228 vs 3041
- Better Geekbench Multi: 9553 vs 9494
- Better main camera: 200MP vs 50MP
- Lighter: 226g vs 227g
- Higher performance (93/100 vs 92/100)
- Better camera (96/100 vs 37/100)
- Better portability (43/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Vivo X300 Pro, the Vivo X300 Pro scores 12 points higher (87/100 vs 75/100). In the "camera" category, the Vivo X300 Pro leads (96/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (92/100 vs 81/100). In the "performance" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (93/100 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 Redmi K90 Ultra is a bit better (92/100 vs 81/100). In the "portability" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (43/100 vs 40/100). In the "value for money" category, both devices are on the same level — 86/100.
| Specification | Redmi K90 Ultra | Vivo X300 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Dimensity 9500 | |
| AnTuTu | 3119308 | 3269794 | |
| Geekbench Single | 3041 | 3228 | |
| Geekbench Multi | 9494 | 9553 | |
| 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 | — | 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 | |
| Price | $420 | $899 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo X300 Pro
- Main: 200MP f/f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo X300 Pro
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
Vivo X300 Pro
- 6510 mAh
- NanoReview test: web browsing 13:30 hrs, total 24:37 hrs
- Wired: 90W
- Wireless: 40W
We compared Redmi K90 Ultra and Vivo X300 Pro, covering their specs and all relevant benchmarks.
Vivo X300 Pro leads Redmi K90 Ultra by 4.6% in our overall performance rating.
Price difference: $479. Redmi K90 Ultra is cheaper by $479.
performance
In the "performance" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (93/100 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 Redmi K90 Ultra is a bit better (92/100 vs 81/100).
portability
In the "portability" category, the Vivo X300 Pro and the Redmi K90 Ultra are nearly equal (43/100 vs 40/100).
value for money
In the "value for money" category, both devices are on the same level — 86/100.
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 12 points.
What is the rating of the Redmi K90 Ultra and the Vivo X300 Pro?
The Redmi K90 Ultra has a MobileRank rating of 75/100, the Vivo X300 Pro — 87/100.
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, budget-conscious buyers. 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.