Redmi K100 Pro Max vs Vivo iQOO 15 Ultra
The Redmi K100 Pro Max (2026) runs on the Snapdragon 8 Elite Gen 5, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $730 and $799. By overall MobileRank rating, the Redmi K100 Pro Max leads — 94/100 vs 89/100 (a 5-point difference). Key differences: the Redmi K100 Pro Max has the bigger battery (9070 mAh vs 7400); the main camera is 200 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 3,942,923).
Redmi K100 Pro Max
Vivo iQOO 15 Ultra
- Bigger battery: 9070 vs 7400 mAh
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 185Hz vs 144Hz
- Cheaper at launch: $730 vs $799
- Better camera (90/100 vs 78/100)
- Longer battery life (95/100 vs 92/100)
- Higher AnTuTu: 4602290 vs 3942923
- Faster charging: 120W vs 100W
- Higher performance (99/100 vs 98/100)
- Better display (99/100 vs 91/100)
Comparing the Redmi K100 Pro Max vs the Vivo iQOO 15 Ultra, the Redmi K100 Pro Max scores 5 points higher (94/100 vs 89/100). In the "camera" category, the Redmi K100 Pro Max leads (90/100 vs 78/100). Value score: Redmi K100 Pro Max — 100/100, Vivo iQOO 15 Ultra — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 Ultra and the Redmi K100 Pro Max are nearly equal (99/100 vs 98/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 91/100). In the "camera" category, the Redmi K100 Pro Max is a bit better (90/100 vs 78/100). In the "battery" category, the Redmi K100 Pro Max and the Vivo iQOO 15 Ultra are nearly equal (95/100 vs 92/100).
| Specification | Redmi K100 Pro Max | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3942923 | 4602290 | |
| Geekbench Single | 3640 | 3640 | |
| Geekbench Multi | 11033 | 11033 | |
| Display | 6.9" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1200x2608 | 1440x3168 | |
| Refresh rate | 185 Hz | 144 Hz | |
| Battery | 9070 mAh | 7400 mAh | |
| Charging | 100W | 120W | |
| Wireless charging | 50W | 50W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 4500 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP69 | IP68 | |
| Dimensions | — | 163.7×76.8×8.7 mm | |
| Weight | — | 227 g | |
| Launch price | $730 | $799 |
Redmi K100 Pro Max
- Main: 200MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K100 Pro Max
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 185 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi K100 Pro Max
- 9070 mAh
- Wired: 100W
- Wireless: 50W
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Redmi K100 Pro Max and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi K100 Pro Max by 14.3% in our overall performance rating.
Launch price difference: $69. Redmi K100 Pro Max was $69 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 Ultra and the Redmi K100 Pro Max are nearly equal (99/100 vs 98/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 91/100).
camera
In the "camera" category, the Redmi K100 Pro Max is a bit better (90/100 vs 78/100).
battery
In the "battery" category, the Redmi K100 Pro Max and the Vivo iQOO 15 Ultra are nearly equal (95/100 vs 92/100).
Which is better: the Redmi K100 Pro Max or the Vivo iQOO 15 Ultra?
The Redmi K100 Pro Max edges out the Vivo iQOO 15 Ultra by just 5 points — the two devices are very close in overall level.
What is the rating of the Redmi K100 Pro Max and the Vivo iQOO 15 Ultra?
The Redmi K100 Pro Max has a MobileRank rating of 94/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Redmi K100 Pro Max or the Vivo iQOO 15 Ultra?
The Redmi K100 Pro Max leads on camera score (90/100 vs 78/100).
Should you choose the Redmi K100 Pro Max over the Vivo iQOO 15 Ultra?
The Redmi K100 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, 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.