Redmi K100 Pro Max vs Vivo X300 Ultra
The Redmi K100 Pro Max (2026) runs on the Snapdragon 8 Elite Gen 5, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $730 and $950. By overall MobileRank rating, the Redmi K100 Pro Max leads — 93/100 vs 91/100 (a 2-point difference). Key differences: the Redmi K100 Pro Max has the bigger battery (9070 mAh vs 7000); the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 3,722,803).
Profile comparison
Category scores
Redmi K100 Pro Max
Vivo X300 Ultra
What makes Redmi K100 Pro Max better?
- Bigger battery: 9070 vs 7000 mAh
- Higher refresh rate: 185Hz vs 120Hz
- Faster wireless charging: 50W vs 40W
- Cheaper at launch: $730 vs $950
- Longer battery life (95/100 vs 85/100)
- Better display (91/100 vs 89/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 3722803
- Higher performance (99/100 vs 97/100)
- Better camera (96/100 vs 90/100)
Comparison verdict
Comparing the Redmi K100 Pro Max vs the Vivo X300 Ultra, the Redmi K100 Pro Max scores 2 points higher (93/100 vs 91/100). In the "battery" category, the Redmi K100 Pro Max leads (95/100 vs 85/100). Value score: Redmi K100 Pro Max — 100/100, Vivo X300 Ultra — 94/100; 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 X300 Ultra and the Redmi K100 Pro Max are nearly equal (99/100 vs 97/100). In the "display" category, the Redmi K100 Pro Max and the Vivo X300 Ultra are nearly equal (91/100 vs 89/100). In the "camera" category, the Vivo X300 Ultra is a bit better (96/100 vs 90/100). In the "battery" category, the Redmi K100 Pro Max is a bit better (95/100 vs 85/100).
Specs comparison
| Specification | Redmi K100 Pro Max | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3722803 | 4247433 | |
| Geekbench Single | 3639 | 3639 | |
| Geekbench Multi | 11047 | 11047 | |
| Display | 6.9" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1200x2608 | 3168x1440 | |
| Refresh rate | 185 Hz | 120 Hz | |
| Battery | 9070 mAh | 7000 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 200 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 4500 nits | — | |
| NFC | yes | yes | |
| Protection | IP69 | IP69 | |
| Dimensions | — | 163.0×76.8×8.2 mm | |
| Weight | — | 230 g | |
| Launch price | $730 | $950 |
Camera comparison
Redmi K100 Pro Max
- Main: 200MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Redmi K100 Pro Max
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 185 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Redmi K100 Pro Max
- 9070 mAh
- Wired: 100W
- Wireless: 50W
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Redmi K100 Pro Max and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Redmi K100 Pro Max by 12.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $220. Redmi K100 Pro Max was $220 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra and the Redmi K100 Pro Max are nearly equal (99/100 vs 97/100).
display
In the "display" category, the Redmi K100 Pro Max and the Vivo X300 Ultra are nearly equal (91/100 vs 89/100).
camera
In the "camera" category, the Vivo X300 Ultra is a bit better (96/100 vs 90/100).
battery
In the "battery" category, the Redmi K100 Pro Max is a bit better (95/100 vs 85/100).
Frequently asked questions
Which is better: the Redmi K100 Pro Max or the Vivo X300 Ultra?
The Redmi K100 Pro Max edges out the Vivo X300 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the Redmi K100 Pro Max and the Vivo X300 Ultra?
The Redmi K100 Pro Max has a MobileRank rating of 93/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Redmi K100 Pro Max or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 90/100).
Should you choose the Redmi K100 Pro Max over the Vivo X300 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 X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.