Redmi K40 Pro vs Xiaomi 18 Pro Max
The Redmi K40 Pro (2021) runs on the Qualcomm Snapdragon 888, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 56/100 (a 36-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 4520); the main camera is 64 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 1,135,878); the Redmi K40 Pro is noticeably lighter (196g vs 235g).
Profile comparison
Category scores
Redmi K40 Pro
Xiaomi 18 Pro Max
What makes Redmi K40 Pro better?
- Lighter: 196g vs 235g
- Better portability (64/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 1135878
- Better Geekbench Single: 4327 vs 1500
- Better Geekbench Multi: 12873 vs 3537
- Bigger battery: 8500 vs 4520 mAh
- Faster charging: 100W vs 33W
- Better main camera: 200MP vs 64MP
- Higher performance (100/100 vs 64/100)
- Better camera (100/100 vs 44/100)
- Longer battery life (92/100 vs 36/100)
- Better display (82/100 vs 79/100)
Comparison verdict
Comparing the Redmi K40 Pro vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 36 points higher (92/100 vs 56/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 64/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 44/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 36/100). In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Redmi K40 Pro (100/100 vs 64/100). In the "display" category, the Xiaomi 18 Pro Max and the Redmi K40 Pro are nearly equal (82/100 vs 79/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Redmi K40 Pro (100/100 vs 44/100). In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Redmi K40 Pro (92/100 vs 36/100). In the "portability" category, the Redmi K40 Pro significantly outperforms the Xiaomi 18 Pro Max (64/100 vs 33/100).
Specs comparison
| Specification | Redmi K40 Pro | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 1135878 | 5001234 | |
| Geekbench Single | 1500 | 4327 | |
| Geekbench Multi | 3537 | 12873 | |
| Display | 6.7" Super AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1080x2400 | 1208x2624 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4520 mAh | 8500 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 64 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11, MIUI 12 | Android 17 | |
| Brightness (peak) | 1300 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP53 | IP68/IP69 | |
| Dimensions | 163.7×76.4×7.8 mm | 163.4×77.6×8.4 mm | |
| Weight | 196 g | 235 g | |
| Launch price | — | $986 |
Camera comparison
Redmi K40 Pro
- Main: 64MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Redmi K40 Pro
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
Redmi K40 Pro
- 4520 mAh
- Wired: 33W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Redmi K40 Pro and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads Redmi K40 Pro by 77.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K40 Pro
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Redmi K40 Pro (100/100 vs 64/100).
display
In the "display" category, the Xiaomi 18 Pro Max and the Redmi K40 Pro are nearly equal (82/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Redmi K40 Pro (100/100 vs 44/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Redmi K40 Pro (92/100 vs 36/100).
portability
In the "portability" category, the Redmi K40 Pro significantly outperforms the Xiaomi 18 Pro Max (64/100 vs 33/100).
Frequently asked questions
Which is better: the Redmi K40 Pro or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the Redmi K40 Pro by 36 points (92/100 vs 56/100).
What is the rating of the Redmi K40 Pro and the Xiaomi 18 Pro Max?
The Redmi K40 Pro has a MobileRank rating of 56/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the Redmi K40 Pro or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 44/100).
Which is more powerful: the Redmi K40 Pro or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 64/100).
Should you choose the Redmi K40 Pro over the Xiaomi 18 Pro Max?
The Redmi K40 Pro is a better fit for active users. The Xiaomi 18 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.