Realme 15 vs Redmi K90
The Realme 15 (2025) runs on the MediaTek Dimensity 7300+, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $249 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 62/100 (a 14-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 7000); the Redmi K90 is faster in AnTuTu (3,077,585 vs 879,714); the Realme 15 is noticeably lighter (185g vs 206g).
Profile comparison
Category scores
Realme 15
Redmi K90
What makes Realme 15 better?
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 185g vs 206g
- Cheaper at launch: $249 vs $401
- Longer battery life (80/100 vs 72/100)
- Better display (89/100 vs 82/100)
- Better portability (74/100 vs 55/100)
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 879714
- Better Geekbench Single: 3013 vs 1011
- Better Geekbench Multi: 9287 vs 2813
- Bigger battery: 7100 vs 7000 mAh
- Faster charging: 100W vs 80W
- Higher performance (91/100 vs 55/100)
- Better camera (58/100 vs 44/100)
Comparison verdict
Comparing the Realme 15 vs the Redmi K90, the Redmi K90 scores 14 points higher (76/100 vs 62/100). In the "performance" category, the Redmi K90 leads (91/100 vs 55/100). In the "camera" category, the Redmi K90 leads (58/100 vs 44/100). Value score: Realme 15 — 74/100, 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 Realme 15 (91/100 vs 55/100). In the "display" category, the Realme 15 is a bit better (89/100 vs 82/100). In the "camera" category, the Redmi K90 is a bit better (58/100 vs 44/100). In the "battery" category, the Realme 15 is a bit better (80/100 vs 72/100). In the "portability" category, the Realme 15 notably outperforms the Redmi K90 (74/100 vs 55/100).
Specs comparison
| Specification | Realme 15 | Redmi K90 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 7300+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 879714 | 3077585 | |
| Geekbench Single | 1011 | 3013 | |
| Geekbench Multi | 2813 | 9287 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 2392x1080 | 2510x1156 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 7100 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 157.5×75.3×8.0 mm | |
| Weight | 185 g | 206 g | |
| Launch price | $249 | $401 |
Camera comparison
Realme 15
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 50MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Realme 15
- 6.8" AMOLED
- Resolution: 2392x1080
- Refresh rate: 144 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Realme 15
- 7000 mAh
- Wired: 80W
- Wireless charging: no data
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Realme 15 and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Realme 15 by 71.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $152. Realme 15 was $152 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Realme 15 (91/100 vs 55/100).
display
In the "display" category, the Realme 15 is a bit better (89/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 is a bit better (58/100 vs 44/100).
battery
In the "battery" category, the Realme 15 is a bit better (80/100 vs 72/100).
portability
In the "portability" category, the Realme 15 notably outperforms the Redmi K90 (74/100 vs 55/100).
Frequently asked questions
Which is better: the Realme 15 or the Redmi K90?
The Redmi K90 is noticeably better than the Realme 15 — the overall rating gap is 14 points.
What is the rating of the Realme 15 and the Redmi K90?
The Realme 15 has a MobileRank rating of 62/100, the Redmi K90 — 76/100.
Which has the better camera: the Realme 15 or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 44/100).
Which is more powerful: the Realme 15 or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 55/100).
Should you choose the Realme 15 over the Redmi K90?
The Realme 15 is a better fit for those who care about battery life. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.