Redmi K90 Ultra vs Vivo X Flip
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X Flip (2023) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 58/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4400); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,425,446); the Vivo X Flip is noticeably lighter (198g vs 227g).
Redmi K90 Ultra
Vivo X Flip
- Higher AnTuTu: 3119308 vs 1425446
- Better Geekbench Single: 3041 vs 1761
- Better Geekbench Multi: 9494 vs 4688
- Bigger battery: 8550 vs 4400 mAh
- Faster charging: 100W vs 44W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 71/100)
- Longer battery life (78/100 vs 35/100)
- Better display (94/100 vs 81/100)
- Lighter: 198g vs 227g
- Better camera (42/100 vs 37/100)
- Better portability (62/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Vivo X Flip, the Redmi K90 Ultra scores 15 points higher (73/100 vs 58/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 71/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 35/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Vivo X Flip (92/100 vs 71/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100). In the "camera" category, the Vivo X Flip is a bit better (42/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo X Flip (78/100 vs 35/100). In the "portability" category, the Vivo X Flip notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).
| Specification | Redmi K90 Ultra | Vivo X Flip | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3119308 | 1425446 | |
| Geekbench Single | 3041 | 1761 | |
| Geekbench Multi | 9494 | 4688 | |
| Display | 6.8" AMOLED | 6.7" Foldable LTPO AMOLED | |
| Resolution | 1280x2772 | 1080x2520 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4400 mAh | |
| Charging | 100W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 13, Origin OS 3 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 166.4×75.3×7.8 mm | |
| Weight | 227 g | 198 g | |
| Launch price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo X Flip
- Main: 50MP f/f/1.8
- Ultrawide: 12MP
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo X Flip
- 6.7" Foldable LTPO AMOLED
- Resolution: 1080x2520
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo X Flip
- 4400 mAh
- Wired: 44W
- No wireless charging
We compared Redmi K90 Ultra and Vivo X Flip, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo X Flip by 118.8% in our overall performance rating.
Vivo X Flip
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Vivo X Flip (92/100 vs 71/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Vivo X Flip is a bit better (42/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo X Flip (78/100 vs 35/100).
portability
In the "portability" category, the Vivo X Flip notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Vivo X Flip?
The Redmi K90 Ultra is noticeably better than the Vivo X Flip — the overall rating gap is 15 points.
What is the rating of the Redmi K90 Ultra and the Vivo X Flip?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo X Flip — 58/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo X Flip?
The Vivo X Flip leads on camera score (42/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo X Flip?
The Redmi K90 Ultra leads on performance (92/100 vs 71/100).
Should you choose the Redmi K90 Ultra over the Vivo X Flip?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo X Flip is a better fit for active users.