OnePlus 9 vs Redmi K100 Pro Max
The OnePlus 9 (2021) runs on the Qualcomm Snapdragon 888, while the Redmi K100 Pro Max (2026) runs on the Snapdragon 8 Elite Gen 5; launch prices were $729 and $730. By overall MobileRank rating, the Redmi K100 Pro Max leads — 93/100 vs 60/100 (a 33-point difference). Key differences: the Redmi K100 Pro Max has the bigger battery (9070 mAh vs 4500); the main camera is 48 MP vs 200 MP; the Redmi K100 Pro Max is faster in AnTuTu (3,722,803 vs 1,157,244).
Profile comparison
Category scores
OnePlus 9
Redmi K100 Pro Max
What makes OnePlus 9 better?
- Cheaper at launch: $729 vs $730
- Overall rating 60/100
What makes Redmi K100 Pro Max better?
- Higher AnTuTu: 3722803 vs 1157244
- Better Geekbench Single: 3639 vs 1500
- Better Geekbench Multi: 11047 vs 3537
- Bigger battery: 9070 vs 4500 mAh
- Faster charging: 100W vs 65W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 185Hz vs 120Hz
- Faster wireless charging: 50W vs 15W
- Higher performance (97/100 vs 64/100)
- Better camera (90/100 vs 51/100)
- Longer battery life (95/100 vs 50/100)
- Better display (91/100 vs 80/100)
Comparison verdict
Comparing the OnePlus 9 vs the Redmi K100 Pro Max, the Redmi K100 Pro Max scores 33 points higher (93/100 vs 60/100). In the "performance" category, the Redmi K100 Pro Max leads (97/100 vs 64/100). In the "camera" category, the Redmi K100 Pro Max leads (90/100 vs 51/100). In the "battery" category, the Redmi K100 Pro Max leads (95/100 vs 50/100). Value score: OnePlus 9 — 34/100, Redmi K100 Pro Max — 100/100; 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 Redmi K100 Pro Max significantly outperforms the OnePlus 9 (97/100 vs 64/100). In the "display" category, the Redmi K100 Pro Max is a bit better (91/100 vs 80/100). In the "camera" category, the Redmi K100 Pro Max significantly outperforms the OnePlus 9 (90/100 vs 51/100). In the "battery" category, the Redmi K100 Pro Max significantly outperforms the OnePlus 9 (95/100 vs 50/100).
Specs comparison
| Specification | OnePlus 9 | Redmi K100 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1157244 | 3722803 | |
| Geekbench Single | 1500 | 3639 | |
| Geekbench Multi | 3537 | 11047 | |
| Display | 6.5" AMOLED | 6.9" AMOLED | |
| Resolution | 2400x1080 | 1200x2608 | |
| Refresh rate | 120 Hz | 185 Hz | |
| Battery | 4500 mAh | 9070 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 50W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | 1100 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | — | IP69 | |
| Dimensions | 160.0×74.2×8.7 mm | — | |
| Weight | 192 g | — | |
| Launch price | $729 | $730 |
Camera comparison
OnePlus 9
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Redmi K100 Pro Max
- Main: 200MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OnePlus 9
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Redmi K100 Pro Max
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 185 Hz
Battery and charging
OnePlus 9
- 4500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K100 Pro Max
- 9070 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OnePlus 9 and Redmi K100 Pro Max, covering their specs and all relevant benchmarks.
Redmi K100 Pro Max leads OnePlus 9 by 68.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1. OnePlus 9 was $1 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K100 Pro Max significantly outperforms the OnePlus 9 (97/100 vs 64/100).
display
In the "display" category, the Redmi K100 Pro Max is a bit better (91/100 vs 80/100).
camera
In the "camera" category, the Redmi K100 Pro Max significantly outperforms the OnePlus 9 (90/100 vs 51/100).
battery
In the "battery" category, the Redmi K100 Pro Max significantly outperforms the OnePlus 9 (95/100 vs 50/100).
Frequently asked questions
Which is better: the OnePlus 9 or the Redmi K100 Pro Max?
The Redmi K100 Pro Max significantly outperforms the OnePlus 9 by 33 points (93/100 vs 60/100).
What is the rating of the OnePlus 9 and the Redmi K100 Pro Max?
The OnePlus 9 has a MobileRank rating of 60/100, the Redmi K100 Pro Max — 93/100.
Which has the better camera: the OnePlus 9 or the Redmi K100 Pro Max?
The Redmi K100 Pro Max leads on camera score (90/100 vs 51/100).
Which is more powerful: the OnePlus 9 or the Redmi K100 Pro Max?
The Redmi K100 Pro Max leads on performance (97/100 vs 64/100).
Should you choose the OnePlus 9 over the Redmi K100 Pro Max?
The OnePlus 9 is a better fit for active users. 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.