Redmi 15C 4G vs Redmi K90 Max
The Redmi 15C 4G (2025) runs on the MediaTek Helio G81 Ultra, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; estimated prices are $103 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 32/100 (a 35-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 6000); the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 358,383); the Redmi 15C 4G is noticeably lighter (205g vs 227g).
Redmi 15C 4G
Redmi K90 Max
- Lighter: 205g vs 227g
- Cheaper: $103 vs $504
- Better design/ergonomics (43/100 vs 16/100)
- Better value for money (100/100 vs 75/100)
- Higher AnTuTu: 3803420 vs 358383
- Better Geekbench Single: 3228 vs 432
- Better Geekbench Multi: 9553 vs 1416
- Bigger battery: 8550 vs 6000 mAh
- Faster charging: 100W vs 33W
- 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 48/100)
Comparing the Redmi 15C 4G vs the Redmi K90 Max, the Redmi K90 Max scores 35 points higher (67/100 vs 32/100). 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 48/100). In the "value for money" category, the Redmi 15C 4G leads (100/100 vs 75/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Redmi 15C 4G (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 Redmi 15C 4G (77/100 vs 48/100). In the "design" category, the Redmi 15C 4G notably outperforms the Redmi K90 Max (43/100 vs 16/100). In the "value for money" category, the Redmi 15C 4G notably outperforms the Redmi K90 Max (100/100 vs 75/100).
| Specification | Redmi 15C 4G | Redmi K90 Max | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | MediaTek Dimensity 9500 | |
| AnTuTu | 358383 | 3803420 | |
| Geekbench Single | 432 | 3228 | |
| Geekbench Multi | 1416 | 9553 | |
| Display | 6.9" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1600 | 2772x1280 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6000 mAh | 8550 mAh | |
| Charging | 33W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, HyperOS 2 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP66 | |
| Dimensions | 171.6×79.5×8.0 mm | 162.9×77.9×8.1 mm | |
| Weight | 205 g | 227 g | |
| Price | $103 | $504 |
Redmi 15C 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Redmi 15C 4G
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Redmi 15C 4G
- 6000 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Redmi 15C 4G and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Redmi 15C 4G by 90.6% in our overall performance rating.
Price difference: $401. Redmi 15C 4G is cheaper by $401.
performance
In the "performance" category, the Redmi K90 Max significantly outperforms the Redmi 15C 4G (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 Redmi 15C 4G (77/100 vs 48/100).
design
In the "design" category, the Redmi 15C 4G notably outperforms the Redmi K90 Max (43/100 vs 16/100).
value for money
In the "value for money" category, the Redmi 15C 4G notably outperforms the Redmi K90 Max (100/100 vs 75/100).
Which is better: the Redmi 15C 4G or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Redmi 15C 4G by 35 points (67/100 vs 32/100).
What is the rating of the Redmi 15C 4G and the Redmi K90 Max?
The Redmi 15C 4G has a MobileRank rating of 32/100, the Redmi K90 Max — 67/100.
Which has the better camera: the Redmi 15C 4G or the Redmi K90 Max?
The Redmi K90 Max leads on camera score (32/100 vs 24/100).
Which is more powerful: the Redmi 15C 4G or the Redmi K90 Max?
The Redmi K90 Max leads on performance (82/100 vs 0/100).
Should you choose the Redmi 15C 4G over the Redmi K90 Max?
The Redmi 15C 4G is a better fit for budget-conscious buyers. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.