Redmi K90 Ultra vs Vivo T4R
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo T4R (2025) runs on the MediaTek Dimensity 7400; launch prices were $420 and $230. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 55/100 (a 18-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5700); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 953,150); the Redmi K90 Ultra has NFC for contactless payments, the Vivo T4R doesn't; the Vivo T4R is noticeably lighter (183g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo T4R
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 953150
- Better Geekbench Single: 3013 vs 1061
- Better Geekbench Multi: 9287 vs 3185
- Bigger battery: 8550 vs 5700 mAh
- Faster charging: 100W vs 44W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 57/100)
- Longer battery life (78/100 vs 54/100)
- Better display (94/100 vs 79/100)
What makes Vivo T4R better?
- Lighter: 183g vs 227g
- Cheaper at launch: $230 vs $420
- Better portability (76/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo T4R, the Redmi K90 Ultra scores 18 points higher (73/100 vs 55/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 57/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 54/100). Value score: Redmi K90 Ultra — 72/100, Vivo T4R — 64/100; 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 T4R (92/100 vs 57/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo T4R (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 T4R (78/100 vs 54/100). In the "portability" category, the Vivo T4R significantly outperforms the Redmi K90 Ultra (76/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo T4R | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 7400 | |
| AnTuTu | 3233695 | 953150 | |
| Geekbench Single | 3013 | 1061 | |
| Geekbench Multi | 9287 | 3185 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 1080x2392 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5700 mAh | |
| Charging | 100W | 44W | |
| 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 | 1800 nits | |
| NFC | yes | no | |
| Protection | IP68/IP69 | IP68/IP69 | |
| Dimensions | 162.9×77.9×8.2 mm | 163.3×76.7×7.4 mm | |
| Weight | 227 g | 183 g | |
| Launch price | $420 | $230 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo T4R
- Main: 50MP f/1.8
- Front: 32MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo T4R
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo T4R
- 5700 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo T4R, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo T4R by 239.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $190. Vivo T4R was $190 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo T4R (92/100 vs 57/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo T4R (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 T4R (78/100 vs 54/100).
portability
In the "portability" category, the Vivo T4R significantly outperforms the Redmi K90 Ultra (76/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo T4R?
The Redmi K90 Ultra is noticeably better than the Vivo T4R — the overall rating gap is 18 points.
What is the rating of the Redmi K90 Ultra and the Vivo T4R?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo T4R — 55/100.
Which is more powerful: the Redmi K90 Ultra or the Vivo T4R?
The Redmi K90 Ultra leads on performance (92/100 vs 57/100).
Should you choose the Redmi K90 Ultra over the Vivo T4R?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.