Redmi 15C 4G vs Redmi K90
The Redmi 15C 4G (2025) runs on the MediaTek Helio G81 Ultra, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $103 and $401. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 32/100 (a 36-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 358,383).
Redmi 15C 4G
Redmi K90
- Lighter: 205g vs 206g
- Cheaper: $103 vs $401
- Better design/ergonomics (43/100 vs 42/100)
- Better value for money (100/100 vs 82/100)
- Higher AnTuTu: 3088357 vs 358383
- Better Geekbench Single: 3050 vs 432
- Better Geekbench Multi: 9300 vs 1416
- Bigger battery: 7100 vs 6000 mAh
- Faster charging: 100W vs 33W
- Higher performance (69/100 vs 0/100)
- Better camera (53/100 vs 24/100)
- Longer battery life (71/100 vs 48/100)
Comparing the Redmi 15C 4G vs the Redmi K90, the Redmi K90 scores 36 points higher (68/100 vs 32/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 24/100). In the "battery" category, the Redmi K90 leads (71/100 vs 48/100). In the "value for money" category, the Redmi 15C 4G leads (100/100 vs 82/100). In the "performance" category, the Redmi K90 significantly outperforms the Redmi 15C 4G (69/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 notably outperforms the Redmi 15C 4G (53/100 vs 24/100). In the "battery" category, the Redmi K90 notably outperforms the Redmi 15C 4G (71/100 vs 48/100). In the "design" category, the Redmi 15C 4G and the Redmi K90 are nearly equal (43/100 vs 42/100). In the "value for money" category, the Redmi 15C 4G notably outperforms the Redmi K90 (100/100 vs 82/100).
| Specification | Redmi 15C 4G | Redmi K90 | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 358383 | 3088357 | |
| Geekbench Single | 432 | 3050 | |
| Geekbench Multi | 1416 | 9300 | |
| Display | 6.9" IPS LCD | 6.6" AMOLED | |
| Resolution | 720x1600 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 7100 mAh | |
| Charging | 33W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 15, HyperOS 2 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 171.6×79.5×8.0 mm | 157.5×75.3×8.0 mm | |
| Weight | 205 g | 206 g | |
| Price | $103 | $401 |
Redmi 15C 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Redmi 15C 4G
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Redmi 15C 4G
- 6000 mAh
- Wired: 33W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Redmi 15C 4G and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Redmi 15C 4G by 88.4% in our overall performance rating.
Price difference: $298. Redmi 15C 4G is cheaper by $298.
performance
In the "performance" category, the Redmi K90 significantly outperforms the Redmi 15C 4G (69/100 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 notably outperforms the Redmi 15C 4G (53/100 vs 24/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Redmi 15C 4G (71/100 vs 48/100).
design
In the "design" category, the Redmi 15C 4G and the Redmi K90 are nearly equal (43/100 vs 42/100).
value for money
In the "value for money" category, the Redmi 15C 4G notably outperforms the Redmi K90 (100/100 vs 82/100).
Which is better: the Redmi 15C 4G or the Redmi K90?
The Redmi K90 significantly outperforms the Redmi 15C 4G by 36 points (68/100 vs 32/100).
What is the rating of the Redmi 15C 4G and the Redmi K90?
The Redmi 15C 4G has a MobileRank rating of 32/100, the Redmi K90 — 68/100.
Which has the better camera: the Redmi 15C 4G or the Redmi K90?
The Redmi K90 leads on camera score (53/100 vs 24/100).
Which is more powerful: the Redmi 15C 4G or the Redmi K90?
The Redmi K90 leads on performance (69/100 vs 0/100).
Should you choose the Redmi 15C 4G over the Redmi K90?
The Redmi 15C 4G is a better fit for budget-conscious buyers. The Redmi K90 is a better fit for active users, budget-conscious buyers.