Redmi 15 vs Redmi K90
The Redmi 15 (2026) runs on the Qualcomm Snapdragon 685, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $180 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 46/100 (a 30-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5500); the main camera is 108 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 476,175).
Profile comparison
Category scores
Redmi 15
Redmi K90
What makes Redmi 15 better?
- Better main camera: 108MP vs 50MP
- Lighter: 195g vs 206g
- Cheaper at launch: $180 vs $401
- Better portability (57/100 vs 55/100)
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 476175
- Better Geekbench Single: 3013 vs 466
- Better Geekbench Multi: 9287 vs 1396
- Bigger battery: 7100 vs 5500 mAh
- Faster charging: 100W vs 33W
- Higher performance (91/100 vs 34/100)
- Better camera (58/100 vs 40/100)
- Longer battery life (72/100 vs 52/100)
- Better display (82/100 vs 78/100)
Comparison verdict
Comparing the Redmi 15 vs the Redmi K90, the Redmi K90 scores 30 points higher (76/100 vs 46/100). In the "performance" category, the Redmi K90 leads (91/100 vs 34/100). In the "camera" category, the Redmi K90 leads (58/100 vs 40/100). In the "battery" category, the Redmi K90 leads (72/100 vs 52/100). Value score: Redmi 15 — 58/100, Redmi K90 — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 significantly outperforms the Redmi 15 (91/100 vs 34/100). In the "display" category, the Redmi K90 and the Redmi 15 are nearly equal (82/100 vs 78/100). In the "camera" category, the Redmi K90 notably outperforms the Redmi 15 (58/100 vs 40/100). In the "battery" category, the Redmi K90 notably outperforms the Redmi 15 (72/100 vs 52/100). In the "portability" category, the Redmi 15 and the Redmi K90 are nearly equal (57/100 vs 55/100).
Specs comparison
| Specification | Redmi 15 | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 476175 | 3077585 | |
| Geekbench Single | 466 | 3013 | |
| Geekbench Multi | 1396 | 9287 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 1080x2340 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 7100 mAh | |
| Charging | 33W | 100W | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 13 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 15, HyperOS 2.2 | Android 16 | |
| Brightness (peak) | 850 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 169.5×80.5×8.4 mm | 157.5×75.3×8.0 mm | |
| Weight | 195 g | 206 g | |
| Launch price | $180 | $401 |
Camera comparison
Redmi 15
- Main: 108MP f/1.8
- Front: 13MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Redmi 15
- 6.8" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Redmi 15
- 5500 mAh
- Wired: 33W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi 15 and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Redmi 15 by 84.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $221. Redmi 15 was $221 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Redmi 15 (91/100 vs 34/100).
display
In the "display" category, the Redmi K90 and the Redmi 15 are nearly equal (82/100 vs 78/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Redmi 15 (58/100 vs 40/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Redmi 15 (72/100 vs 52/100).
portability
In the "portability" category, the Redmi 15 and the Redmi K90 are nearly equal (57/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi 15 or the Redmi K90?
The Redmi K90 significantly outperforms the Redmi 15 by 30 points (76/100 vs 46/100).
What is the rating of the Redmi 15 and the Redmi K90?
The Redmi 15 has a MobileRank rating of 46/100, the Redmi K90 — 76/100.
Which has the better camera: the Redmi 15 or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 40/100).
Which is more powerful: the Redmi 15 or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 34/100).
Should you choose the Redmi 15 over the Redmi K90?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.