Realme C75x vs Xiaomi 18 Pro Max
The Realme C75x (2025) runs on the MediaTek Helio G81 Ultra, 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 39/100 (a 53-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 5600); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 358,608); the Xiaomi 18 Pro Max has NFC for contactless payments, the Realme C75x doesn't; the Realme C75x is noticeably lighter (196g vs 235g).
Profile comparison
Category scores
Realme C75x
Xiaomi 18 Pro Max
What makes Realme C75x better?
- Lighter: 196g vs 235g
- Better portability (62/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 358608
- Better Geekbench Single: 4327 vs 432
- Better Geekbench Multi: 12873 vs 1416
- Bigger battery: 8500 vs 5600 mAh
- Faster charging: 100W vs 45W
- Better main camera: 200MP vs 50MP
- Higher performance (100/100 vs 30/100)
- Better camera (100/100 vs 30/100)
- Longer battery life (92/100 vs 55/100)
- Better display (82/100 vs 55/100)
Comparison verdict
Comparing the Realme C75x vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 53 points higher (92/100 vs 39/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 30/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 30/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 55/100). In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Realme C75x (100/100 vs 30/100). In the "display" category, the Xiaomi 18 Pro Max notably outperforms the Realme C75x (82/100 vs 55/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Realme C75x (100/100 vs 30/100). In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Realme C75x (92/100 vs 55/100). In the "portability" category, the Realme C75x notably outperforms the Xiaomi 18 Pro Max (62/100 vs 33/100).
Specs comparison
| Specification | Realme C75x | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 358608 | 5001234 | |
| Geekbench Single | 432 | 4327 | |
| Geekbench Multi | 1416 | 12873 | |
| Display | 6.7" IPS LCD | 6.9" LTPO AMOLED | |
| Resolution | 720x1604 | 1208x2624 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5600 mAh | 8500 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 5 MP | 50 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 15, Realme UI 6.0 | Android 17 | |
| Brightness (peak) | 625 nits | 4000 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 165.7×76.2×8.0 mm | 163.4×77.6×8.4 mm | |
| Weight | 196 g | 235 g | |
| Launch price | — | $986 |
Camera comparison
Realme C75x
- Main: 50MP f/1.8
- Front: 5MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Realme C75x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
Realme C75x
- 5600 mAh
- Wired: 45W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Realme C75x and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads Realme C75x by 92.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme C75x
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Realme C75x (100/100 vs 30/100).
display
In the "display" category, the Xiaomi 18 Pro Max notably outperforms the Realme C75x (82/100 vs 55/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Realme C75x (100/100 vs 30/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Realme C75x (92/100 vs 55/100).
portability
In the "portability" category, the Realme C75x notably outperforms the Xiaomi 18 Pro Max (62/100 vs 33/100).
Frequently asked questions
Which is better: the Realme C75x or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the Realme C75x by 53 points (92/100 vs 39/100).
What is the rating of the Realme C75x and the Xiaomi 18 Pro Max?
The Realme C75x has a MobileRank rating of 39/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the Realme C75x or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 30/100).
Which is more powerful: the Realme C75x or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 30/100).
Should you choose the Realme C75x over the Xiaomi 18 Pro Max?
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.