Realme C75x vs Redmi K90 Max
The Realme C75x (2025) runs on the MediaTek Helio G81 Ultra, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 31/100 (a 36-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5600); the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 358,383); the Redmi K90 Max has NFC for contactless payments, the Realme C75x doesn't; the Realme C75x is noticeably lighter (196g vs 227g).
Realme C75x
Redmi K90 Max
- Lighter: 196g vs 227g
- Better design/ergonomics (55/100 vs 16/100)
- Higher AnTuTu: 3803420 vs 358383
- Better Geekbench Single: 3228 vs 432
- Better Geekbench Multi: 9553 vs 1416
- Bigger battery: 8550 vs 5600 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (82/100 vs 0/100)
- Better camera (32/100 vs 24/100)
- Longer battery life (77/100 vs 50/100)
- Better value for money (75/100 vs 55/100)
Comparing the Realme C75x vs the Redmi K90 Max, the Redmi K90 Max scores 36 points higher (67/100 vs 31/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 0/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 50/100). In the "value for money" category, the Redmi K90 Max leads (75/100 vs 55/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Realme C75x (82/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 Max is a bit better (32/100 vs 24/100). In the "battery" category, the Redmi K90 Max notably outperforms the Realme C75x (77/100 vs 50/100). In the "design" category, the Realme C75x significantly outperforms the Redmi K90 Max (55/100 vs 16/100). In the "value for money" category, the Redmi K90 Max notably outperforms the Realme C75x (75/100 vs 55/100).
| Specification | Realme C75x | Redmi K90 Max | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | MediaTek Dimensity 9500 | |
| AnTuTu | 358383 | 3803420 | |
| Geekbench Single | 432 | 3228 | |
| Geekbench Multi | 1416 | 9553 | |
| Display | 6.7" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1604 | 2772x1280 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5600 mAh | 8550 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 15, Realme UI 6.0 | Android 16 | |
| Brightness (peak) | 625 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP66 | |
| Dimensions | 165.7×76.2×8.0 mm | 162.9×77.9×8.1 mm | |
| Weight | 196 g | 227 g | |
| Price | — | $504 |
Realme C75x
- Main: 50MP f/f/1.8
- Front: 5MP
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Realme C75x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Realme C75x
- 5600 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Realme C75x and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Realme C75x by 90.6% in our overall performance rating.
Realme C75x
Price unknownperformance
In the "performance" category, the Redmi K90 Max significantly outperforms the Realme C75x (82/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K90 Max is a bit better (32/100 vs 24/100).
battery
In the "battery" category, the Redmi K90 Max notably outperforms the Realme C75x (77/100 vs 50/100).
design
In the "design" category, the Realme C75x significantly outperforms the Redmi K90 Max (55/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Max notably outperforms the Realme C75x (75/100 vs 55/100).
Which is better: the Realme C75x or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Realme C75x by 36 points (67/100 vs 31/100).
What is the rating of the Realme C75x and the Redmi K90 Max?
The Realme C75x has a MobileRank rating of 31/100, the Redmi K90 Max — 67/100.
Which has the better camera: the Realme C75x or the Redmi K90 Max?
The Redmi K90 Max leads on camera score (32/100 vs 24/100).
Which is more powerful: the Realme C75x or the Redmi K90 Max?
The Redmi K90 Max leads on performance (82/100 vs 0/100).
Should you choose the Realme C75x over the Redmi K90 Max?
The Realme C75x is a better fit for everyday use. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.