Redmi K90 Ultra vs Vivo V40 SE
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo V40 SE (2024) runs on the Qualcomm Snapdragon 4 Gen 2. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 49/100 (a 24-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 568,395); the Vivo V40 SE is noticeably lighter (185g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo V40 SE
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 568395
- Better Geekbench Single: 3013 vs 915
- Better Geekbench Multi: 9287 vs 2115
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 44W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 46/100)
- Better camera (37/100 vs 35/100)
- Longer battery life (78/100 vs 48/100)
- Better display (94/100 vs 79/100)
What makes Vivo V40 SE better?
- Lighter: 185g vs 227g
- Better portability (70/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo V40 SE, the Redmi K90 Ultra scores 24 points higher (73/100 vs 49/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 46/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 48/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo V40 SE (92/100 vs 46/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo V40 SE (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra and the Vivo V40 SE are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo V40 SE (78/100 vs 48/100). In the "portability" category, the Vivo V40 SE significantly outperforms the Redmi K90 Ultra (70/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo V40 SE | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 3233695 | 568395 | |
| Geekbench Single | 3013 | 915 | |
| Geekbench Multi | 9287 | 2115 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 256GB | |
| OS | Android 16 | Android 14, Funtouch 14 | |
| Brightness (peak) | 3500 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP54 | |
| Dimensions | 162.9×77.9×8.2 mm | 163.2×75.8×7.8 mm | |
| Weight | 227 g | 185 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo V40 SE
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo V40 SE
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo V40 SE
- 5000 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo V40 SE, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo V40 SE by 468.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo V40 SE
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo V40 SE (92/100 vs 46/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo V40 SE (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Vivo V40 SE are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo V40 SE (78/100 vs 48/100).
portability
In the "portability" category, the Vivo V40 SE significantly outperforms the Redmi K90 Ultra (70/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo V40 SE?
The Redmi K90 Ultra significantly outperforms the Vivo V40 SE by 24 points (73/100 vs 49/100).
What is the rating of the Redmi K90 Ultra and the Vivo V40 SE?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo V40 SE — 49/100.
Which is more powerful: the Redmi K90 Ultra or the Vivo V40 SE?
The Redmi K90 Ultra leads on performance (92/100 vs 46/100).
Should you choose the Redmi K90 Ultra over the Vivo V40 SE?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.