Redmi K90 vs Vivo T4 Ultra
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo T4 Ultra (2025) runs on the MediaTek Dimensity 9300+; estimated prices are $401 and $449. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 59/100 (a 9-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5500); the Redmi K90 is faster in AnTuTu (3,088,357 vs 2,286,808).
Redmi K90
Vivo T4 Ultra
- Higher AnTuTu: 3088357 vs 2286808
- Better Geekbench Single: 3050 vs 2250
- Better Geekbench Multi: 9300 vs 7315
- Bigger battery: 7100 vs 5500 mAh
- Faster charging: 100W vs 90W
- Cheaper: $401 vs $449
- Higher performance (69/100 vs 45/100)
- Longer battery life (71/100 vs 60/100)
- Better value for money (82/100 vs 79/100)
- Lighter: 192g vs 206g
- Better camera (58/100 vs 53/100)
- Better design/ergonomics (60/100 vs 42/100)
Comparing the Redmi K90 vs the Vivo T4 Ultra, the Redmi K90 scores 9 points higher (68/100 vs 59/100). In the "performance" category, the Redmi K90 leads (69/100 vs 45/100). In the "battery" category, the Redmi K90 leads (71/100 vs 60/100). In the "performance" category, the Redmi K90 notably outperforms the Vivo T4 Ultra (69/100 vs 45/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo T4 Ultra is a bit better (58/100 vs 53/100). In the "battery" category, the Redmi K90 is a bit better (71/100 vs 60/100). In the "design" category, the Vivo T4 Ultra notably outperforms the Redmi K90 (60/100 vs 42/100). In the "value for money" category, the Redmi K90 and the Vivo T4 Ultra are nearly equal (82/100 vs 79/100).
| Specification | Redmi K90 | Vivo T4 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9300+ | |
| AnTuTu | 3088357 | 2286808 | |
| Geekbench Single | 3050 | 2250 | |
| Geekbench Multi | 9300 | 7315 | |
| Display | 6.6" AMOLED | 6.7" AMOLED | |
| Resolution | 2510x1156 | 2800x1260 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 5500 mAh | |
| Charging | 100W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 50 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 | — | |
| Dimensions | 157.5×75.3×8.0 mm | — | |
| Weight | 206 g | 192 g | |
| Price | $401 | $449 |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Vivo T4 Ultra
- Main: 50MP f/f/1.88
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Vivo T4 Ultra
- 6.7" AMOLED
- Resolution: 2800x1260
- Refresh rate: 120 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Vivo T4 Ultra
- 5500 mAh
- Wired: 90W
- No wireless charging
We compared Redmi K90 and Vivo T4 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 leads Vivo T4 Ultra by 35.1% in our overall performance rating.
Price difference: $48. Redmi K90 is cheaper by $48.
performance
In the "performance" category, the Redmi K90 notably outperforms the Vivo T4 Ultra (69/100 vs 45/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo T4 Ultra is a bit better (58/100 vs 53/100).
battery
In the "battery" category, the Redmi K90 is a bit better (71/100 vs 60/100).
design
In the "design" category, the Vivo T4 Ultra notably outperforms the Redmi K90 (60/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 and the Vivo T4 Ultra are nearly equal (82/100 vs 79/100).
Which is better: the Redmi K90 or the Vivo T4 Ultra?
The Redmi K90 edges out the Vivo T4 Ultra by just 9 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 and the Vivo T4 Ultra?
The Redmi K90 has a MobileRank rating of 68/100, the Vivo T4 Ultra — 59/100.
Which has the better camera: the Redmi K90 or the Vivo T4 Ultra?
The Vivo T4 Ultra leads on camera score (58/100 vs 53/100).
Which is more powerful: the Redmi K90 or the Vivo T4 Ultra?
The Redmi K90 leads on performance (69/100 vs 45/100).
Should you choose the Redmi K90 over the Vivo T4 Ultra?
The Redmi K90 is a better fit for active users, budget-conscious buyers. The Vivo T4 Ultra is a better fit for budget-conscious buyers.