Redmi K90 Pro Max vs Vivo iQOO 15 Ultra
The Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $561 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 86/100 (a 3-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 7400); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 3,622,315); the Redmi K90 Pro Max is noticeably lighter (210g vs 227g).
Profile comparison
Category scores
Redmi K90 Pro Max
Vivo iQOO 15 Ultra
What makes Redmi K90 Pro Max better?
- Bigger battery: 7560 vs 7400 mAh
- Lighter: 210g vs 227g
- Cheaper at launch: $561 vs $799
- Better portability (54/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 3622315
- Faster charging: 120W vs 100W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 97/100)
- Longer battery life (92/100 vs 89/100)
- Better display (99/100 vs 81/100)
Comparison verdict
Comparing the Redmi K90 Pro Max vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 3 points higher (89/100 vs 86/100). Value score: Redmi K90 Pro Max — 90/100, Vivo iQOO 15 Ultra — 92/100; 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 Vivo iQOO 15 Ultra and the Redmi K90 Pro Max are nearly equal (99/100 vs 97/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi K90 Pro Max (99/100 vs 81/100). In the "camera" category, both devices are on the same level — 78/100. In the "battery" category, the Vivo iQOO 15 Ultra and the Redmi K90 Pro Max are nearly equal (92/100 vs 89/100). In the "portability" category, the Redmi K90 Pro Max notably outperforms the Vivo iQOO 15 Ultra (54/100 vs 35/100).
Specs comparison
| Specification | Redmi K90 Pro Max | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3622315 | 4602290 | |
| Geekbench Single | 3639 | 3639 | |
| Geekbench Multi | 11047 | 11047 | |
| Display | 6.9" OLED | 6.8" LTPO AMOLED | |
| Resolution | 2608x1200 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 7560 mAh | 7400 mAh | |
| Charging | 100W | 120W | |
| Wireless charging | 50W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 16GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.3×77.8×7.9 mm | 163.7×76.8×8.7 mm | |
| Weight | 210 g | 227 g | |
| Launch price | $561 | $799 |
Camera comparison
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Redmi K90 Pro Max and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi K90 Pro Max by 21.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $238. Redmi K90 Pro Max was $238 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra and the Redmi K90 Pro Max are nearly equal (99/100 vs 97/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi K90 Pro Max (99/100 vs 81/100).
camera
In the "camera" category, both devices are on the same level — 78/100.
battery
In the "battery" category, the Vivo iQOO 15 Ultra and the Redmi K90 Pro Max are nearly equal (92/100 vs 89/100).
portability
In the "portability" category, the Redmi K90 Pro Max notably outperforms the Vivo iQOO 15 Ultra (54/100 vs 35/100).
Frequently asked questions
Which is better: the Redmi K90 Pro Max or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra edges out the Redmi K90 Pro Max by just 3 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Pro Max and the Vivo iQOO 15 Ultra?
The Redmi K90 Pro Max has a MobileRank rating of 86/100, the Vivo iQOO 15 Ultra — 89/100.
Should you choose the Redmi K90 Pro Max over the Vivo iQOO 15 Ultra?
The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.