Redmi K90 Ultra vs Vivo Y100t
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y100t (2024) runs on the MediaTek Dimensity 8200. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 57/100 (a 16-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,240,821); the Vivo Y100t is noticeably lighter (200g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo Y100t
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1240821
- Better Geekbench Single: 3013 vs 1239
- Better Geekbench Multi: 9287 vs 3962
- Bigger battery: 8550 vs 5000 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 64/100)
- Longer battery life (78/100 vs 64/100)
- Better display (94/100 vs 66/100)
What makes Vivo Y100t better?
- Faster charging: 120W vs 100W
- Better main camera: 64MP vs 50MP
- Lighter: 200g vs 227g
- Better camera (40/100 vs 37/100)
- Better portability (51/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo Y100t, the Redmi K90 Ultra scores 16 points higher (73/100 vs 57/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 64/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 64/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Vivo Y100t (92/100 vs 64/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo Y100t (94/100 vs 66/100). In the "camera" category, the Vivo Y100t and the Redmi K90 Ultra are nearly equal (40/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100). In the "portability" category, the Vivo Y100t is a bit better (51/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo Y100t | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 8200 | |
| AnTuTu | 3233695 | 1240821 | |
| Geekbench Single | 3013 | 1239 | |
| Geekbench Multi | 9287 | 3962 | |
| Display | 6.8" AMOLED | 6.6" IPS LCD | |
| Resolution | 1280x2772 | 1080x2388 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 120W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 13, OriginOS 3 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 164.6×75.8×8.8 mm | |
| Weight | 227 g | 200 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo Y100t
- Main: 64MP f/1.8
- Front: 16MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo Y100t
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo Y100t
- 5000 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo Y100t, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo Y100t by 160.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y100t
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Vivo Y100t (92/100 vs 64/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo Y100t (94/100 vs 66/100).
camera
In the "camera" category, the Vivo Y100t and the Redmi K90 Ultra are nearly equal (40/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100).
portability
In the "portability" category, the Vivo Y100t is a bit better (51/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo Y100t?
The Redmi K90 Ultra is noticeably better than the Vivo Y100t — the overall rating gap is 16 points.
What is the rating of the Redmi K90 Ultra and the Vivo Y100t?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo Y100t — 57/100.
Which is more powerful: the Redmi K90 Ultra or the Vivo Y100t?
The Redmi K90 Ultra leads on performance (92/100 vs 64/100).
Should you choose the Redmi K90 Ultra over the Vivo Y100t?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo Y100t is a better fit for active users.