Redmi K90 vs Xiaomi 15
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $401 and $635. By overall MobileRank rating, the Xiaomi 15 leads — 83/100 vs 76/100 (a 7-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5240); the Redmi K90 is faster in AnTuTu (3,126,494 vs 3,076,179); the Xiaomi 15 is noticeably lighter (191g vs 206g).
Profile comparison
Category scores
Redmi K90
Xiaomi 15
What makes Redmi K90 better?
- Higher AnTuTu: 3126494 vs 3076179
- Better Geekbench Multi: 9287 vs 9147
- Bigger battery: 7100 vs 5240 mAh
- Faster charging: 100W vs 90W
- Cheaper at launch: $401 vs $635
- Overall rating 76/100
What makes Xiaomi 15 better?
- Better Geekbench Single: 3092 vs 3013
- Lighter: 191g vs 206g
- Higher performance (92/100 vs 91/100)
- Better camera (78/100 vs 58/100)
- Longer battery life (77/100 vs 72/100)
- Better display (85/100 vs 82/100)
- Better portability (60/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Xiaomi 15, the Xiaomi 15 scores 7 points higher (83/100 vs 76/100). In the "camera" category, the Xiaomi 15 leads (78/100 vs 58/100). Value score: Redmi K90 — 80/100, Xiaomi 15 — 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 Xiaomi 15 and the Redmi K90 are nearly equal (92/100 vs 91/100). In the "display" category, the Xiaomi 15 and the Redmi K90 are nearly equal (85/100 vs 82/100). In the "camera" category, the Xiaomi 15 notably outperforms the Redmi K90 (78/100 vs 58/100). In the "battery" category, the Xiaomi 15 is a bit better (77/100 vs 72/100). In the "portability" category, the Xiaomi 15 is a bit better (60/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Xiaomi 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3126494 | 3076179 | |
| Geekbench Single | 3013 | 3092 | |
| Geekbench Multi | 9287 | 9147 | |
| Display | 6.6" AMOLED | 6.4" LTPO AMOLED | |
| Resolution | 2510x1156 | 2670x1200 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 5240 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 147 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 3500 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 157.5×75.3×8.0 mm | 152.3×71.2×8.4 mm | |
| Weight | 206 g | 191 g | |
| Launch price | $401 | $635 |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Xiaomi 15
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Xiaomi 15
- 6.4" LTPO AMOLED
- Resolution: 2670x1200
- Refresh rate: 120 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Xiaomi 15
- 5240 mAh
- NanoReview test: web browsing 13:20 hrs, total 31:54 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Redmi K90 and Xiaomi 15, covering their specs and all relevant benchmarks.
Redmi K90 leads Xiaomi 15 by 1.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $234. Redmi K90 was $234 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 15 and the Redmi K90 are nearly equal (92/100 vs 91/100).
display
In the "display" category, the Xiaomi 15 and the Redmi K90 are nearly equal (85/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 15 notably outperforms the Redmi K90 (78/100 vs 58/100).
battery
In the "battery" category, the Xiaomi 15 is a bit better (77/100 vs 72/100).
portability
In the "portability" category, the Xiaomi 15 is a bit better (60/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Xiaomi 15?
The Xiaomi 15 edges out the Redmi K90 by just 7 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 and the Xiaomi 15?
The Redmi K90 has a MobileRank rating of 76/100, the Xiaomi 15 — 83/100.
Which has the better camera: the Redmi K90 or the Xiaomi 15?
The Xiaomi 15 leads on camera score (78/100 vs 58/100).
Should you choose the Redmi K90 over the Xiaomi 15?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Xiaomi 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.