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; estimated prices are $420 and $299. By overall MobileRank rating, the Redmi K90 Ultra leads — 75/100 vs 58/100 (a 17-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7300); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,040,961); the Redmi K90 Ultra has NFC for contactless payments, the Vivo T4 doesn't; the Vivo T4 is noticeably lighter (199g vs 227g).
Redmi K90 Ultra
Vivo T4
- Higher AnTuTu: 3119308 vs 1040961
- Better Geekbench Single: 3041 vs 1162
- Better Geekbench Multi: 9494 vs 3315
- 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 (92/100 vs 71/100)
- Better display (94/100 vs 79/100)
- Better value for money (86/100 vs 58/100)
- Lighter: 199g vs 227g
- Cheaper: $299 vs $420
- Better portability (60/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Vivo T4, the Redmi K90 Ultra scores 17 points higher (75/100 vs 58/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 60/100). In the "battery" category, the Redmi K90 Ultra leads (92/100 vs 71/100). In the "value for money" category, the Redmi K90 Ultra leads (86/100 vs 58/100). 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 notably outperforms the Vivo T4 (92/100 vs 71/100). In the "portability" category, the Vivo T4 notably outperforms the Redmi K90 Ultra (60/100 vs 40/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the Vivo T4 (86/100 vs 58/100).
| Specification | Redmi K90 Ultra | Vivo T4 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 7s Gen 3 | |
| AnTuTu | 3119308 | 1040961 | |
| Geekbench Single | 3041 | 1162 | |
| Geekbench Multi | 9494 | 3315 | |
| 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 | |
| Price | $420 | $299 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo T4
- Main: 50MP f/f/1.8
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo T4
- 6.8" AMOLED
- Resolution: 2392x1080
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
Vivo T4
- 7300 mAh
- Wired: 90W
- No wireless charging
We compared Redmi K90 Ultra and Vivo T4, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo T4 by 199.7% in our overall performance rating.
Price difference: $121. Vivo T4 is cheaper by $121.
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 notably outperforms the Vivo T4 (92/100 vs 71/100).
portability
In the "portability" category, the Vivo T4 notably outperforms the Redmi K90 Ultra (60/100 vs 40/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the Vivo T4 (86/100 vs 58/100).
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 17 points.
What is the rating of the Redmi K90 Ultra and the Vivo T4?
The Redmi K90 Ultra has a MobileRank rating of 75/100, 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, budget-conscious buyers. The Vivo T4 is a better fit for active users.