Redmi K90 Ultra vs Vivo T4
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo T4 (2025) runs on the Qualcomm Snapdragon 7s Gen 3; launch prices were $420 and $299. 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 7300); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,041,899); the Redmi K90 Ultra has NFC for contactless payments, the Vivo T4 doesn't; the Vivo T4 is noticeably lighter (199g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo T4
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1041899
- Better Geekbench Single: 3013 vs 1161
- Better Geekbench Multi: 9287 vs 3390
- Bigger battery: 8550 vs 7300 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 60/100)
- Longer battery life (78/100 vs 71/100)
- Better display (94/100 vs 79/100)
What makes Vivo T4 better?
- Lighter: 199g vs 227g
- Cheaper at launch: $299 vs $420
- Better portability (60/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo T4, 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 60/100). Value score: Redmi K90 Ultra — 72/100, Vivo T4 — 54/100; 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 Redmi K90 Ultra significantly outperforms the Vivo T4 (92/100 vs 60/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo T4 (94/100 vs 79/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 71/100). In the "portability" category, the Vivo T4 notably outperforms the Redmi K90 Ultra (60/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo T4 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 7s Gen 3 | |
| AnTuTu | 3233695 | 1041899 | |
| Geekbench Single | 3013 | 1161 | |
| Geekbench Multi | 9287 | 3390 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 2392x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 7300 mAh | |
| Charging | 100W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 3500 nits | 5000 nits | |
| NFC | yes | no | |
| Protection | IP68/IP69 | IP65 | |
| Dimensions | 162.9×77.9×8.2 mm | 163.4×76.4×7.9 mm | |
| Weight | 227 g | 199 g | |
| Launch price | $420 | $299 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo T4
- Main: 50MP f/1.8
- Front: 32MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo T4
- 6.8" AMOLED
- Resolution: 2392x1080
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo T4
- 7300 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo T4, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo T4 by 210.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $121. Vivo T4 was $121 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo T4 (92/100 vs 60/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo T4 (94/100 vs 79/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 71/100).
portability
In the "portability" category, the Vivo T4 notably outperforms the Redmi K90 Ultra (60/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo T4?
The Redmi K90 Ultra is noticeably better than the Vivo T4 — the overall rating gap is 15 points.
What is the rating of the Redmi K90 Ultra and the Vivo T4?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo T4 — 58/100.
Which is more powerful: the Redmi K90 Ultra or the Vivo T4?
The Redmi K90 Ultra leads on performance (92/100 vs 60/100).
Should you choose the Redmi K90 Ultra over the Vivo T4?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo T4 is a better fit for active users.