Redmi K90 Ultra vs Vivo T4 Ultra
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo T4 Ultra (2025) runs on the MediaTek Dimensity 9300+; launch prices were $420 and $449. By overall MobileRank rating, the Vivo T4 Ultra leads — 75/100 vs 73/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5500); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 2,286,808); the Vivo T4 Ultra is noticeably lighter (192g vs 227g).
Redmi K90 Ultra
Vivo T4 Ultra
- Higher AnTuTu: 3119308 vs 2286808
- Better Geekbench Single: 3041 vs 2250
- Better Geekbench Multi: 9494 vs 7315
- Bigger battery: 8550 vs 5500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $449
- Higher performance (92/100 vs 83/100)
- Longer battery life (78/100 vs 75/100)
- Better display (94/100 vs 85/100)
- Lighter: 192g vs 227g
- Better camera (61/100 vs 37/100)
- Better portability (68/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Vivo T4 Ultra, the Vivo T4 Ultra scores 2 points higher (75/100 vs 73/100). In the "camera" category, the Vivo T4 Ultra leads (61/100 vs 37/100). Value score: Redmi K90 Ultra — 82/100, Vivo T4 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 83/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Ultra (61/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra and the Vivo T4 Ultra are nearly equal (78/100 vs 75/100). In the "portability" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
| Specification | Redmi K90 Ultra | Vivo T4 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9300+ | |
| AnTuTu | 3119308 | 2286808 | |
| Geekbench Single | 3041 | 2250 | |
| Geekbench Multi | 9494 | 7315 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | 2800x1260 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5500 mAh | |
| Charging | 100W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | — | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | — | |
| Weight | 227 g | 192 g | |
| Launch price | $420 | $449 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo T4 Ultra
- Main: 50MP f/f/1.88
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo T4 Ultra
- 6.7" AMOLED
- Resolution: 2800x1260
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo T4 Ultra
- 5500 mAh
- Wired: 90W
- Wireless charging: no data
We compared Redmi K90 Ultra and Vivo T4 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo T4 Ultra by 36.4% in our overall performance rating.
Launch price difference: $29. Redmi K90 Ultra was $29 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 83/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Ultra (61/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra and the Vivo T4 Ultra are nearly equal (78/100 vs 75/100).
portability
In the "portability" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Vivo T4 Ultra?
The Vivo T4 Ultra edges out the Redmi K90 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Vivo T4 Ultra?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo T4 Ultra — 75/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo T4 Ultra?
The Vivo T4 Ultra leads on camera score (61/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo T4 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 83/100).
Should you choose the Redmi K90 Ultra over the Vivo T4 Ultra?
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 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.