Redmi K90 Ultra vs Vivo Y18
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y18 (2024) runs on the MediaTek Helio G85. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 37/100 (a 36-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 346,495); the Vivo Y18 is noticeably lighter (185g vs 227g).
Redmi K90 Ultra
Vivo Y18
- Higher AnTuTu: 3233695 vs 346495
- Better Geekbench Single: 3041 vs 420
- Better Geekbench Multi: 9494 vs 1364
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 15W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 29/100)
- Longer battery life (78/100 vs 43/100)
- Better display (94/100 vs 44/100)
- Lighter: 185g vs 227g
- Better portability (63/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Vivo Y18, the Redmi K90 Ultra scores 36 points higher (73/100 vs 37/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 29/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 43/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo Y18 (92/100 vs 29/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Vivo Y18 (94/100 vs 44/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo Y18 (78/100 vs 43/100). In the "portability" category, the Vivo Y18 notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
| Specification | Redmi K90 Ultra | Vivo Y18 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio G85 | |
| AnTuTu | 3233695 | 346495 | |
| Geekbench Single | 3041 | 420 | |
| Geekbench Multi | 9494 | 1364 | |
| Display | 6.8" AMOLED | 6.6" IPS LCD | |
| Resolution | 1280x2772 | 720x1612 | |
| Refresh rate | 165 Hz | 90 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 15W | |
| Main camera | 50 MP | — | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 64GB / 128GB / 256GB | |
| OS | Android 16 | Android 14, Funtouch 14 | |
| Brightness (peak) | 3500 nits | 840 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP54 | |
| Dimensions | 162.9×77.9×8.2 mm | 163.6×75.6×8.4 mm | |
| Weight | 227 g | 185 g | |
| Launch price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo Y18
- Main: —
- Front: 8MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo Y18
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo Y18
- 5000 mAh
- Wired: 15W
- No wireless charging
We compared Redmi K90 Ultra and Vivo Y18, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo Y18 by 833.3% in our overall performance rating.
Vivo Y18
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo Y18 (92/100 vs 29/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Vivo Y18 (94/100 vs 44/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo Y18 (78/100 vs 43/100).
portability
In the "portability" category, the Vivo Y18 notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Vivo Y18?
The Redmi K90 Ultra significantly outperforms the Vivo Y18 by 36 points (73/100 vs 37/100).
What is the rating of the Redmi K90 Ultra and the Vivo Y18?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo Y18 — 37/100.
Which is more powerful: the Redmi K90 Ultra or the Vivo Y18?
The Redmi K90 Ultra leads on performance (92/100 vs 29/100).
Should you choose the Redmi K90 Ultra over the Vivo Y18?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y18 is a better fit for everyday use.