Realme 15x vs Redmi K90
The Realme 15x (2025) runs on the MediaTek Dimensity 6300, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $250 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 51/100 (a 25-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 528,398); the Redmi K90 has NFC for contactless payments, the Realme 15x doesn't.
Profile comparison
Category scores
Realme 15x
Redmi K90
What makes Realme 15x better?
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $250 vs $401
- Longer battery life (75/100 vs 72/100)
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 528398
- Better Geekbench Single: 3013 vs 771
- Better Geekbench Multi: 9287 vs 1980
- Bigger battery: 7100 vs 7000 mAh
- Faster charging: 100W vs 60W
- Lighter: 206g vs 212g
- Higher performance (91/100 vs 43/100)
- Better camera (58/100 vs 40/100)
- Better display (82/100 vs 65/100)
- Better portability (55/100 vs 49/100)
Comparison verdict
Comparing the Realme 15x vs the Redmi K90, the Redmi K90 scores 25 points higher (76/100 vs 51/100). In the "performance" category, the Redmi K90 leads (91/100 vs 43/100). In the "camera" category, the Redmi K90 leads (58/100 vs 40/100). Value score: Realme 15x — 52/100, 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 15x (91/100 vs 43/100). In the "display" category, the Redmi K90 notably outperforms the Realme 15x (82/100 vs 65/100). In the "camera" category, the Redmi K90 notably outperforms the Realme 15x (58/100 vs 40/100). In the "battery" category, the Realme 15x and the Redmi K90 are nearly equal (75/100 vs 72/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 49/100).
Specs comparison
| Specification | Realme 15x | Redmi K90 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 528398 | 3077585 | |
| Geekbench Single | 771 | 3013 | |
| Geekbench Multi | 1980 | 9287 | |
| Display | 6.8" IPS LCD | 6.6" AMOLED | |
| Resolution | 720x1570 | 2510x1156 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 7100 mAh | |
| Charging | 60W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 1200 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 166.1×77.9×8.3 mm | 157.5×75.3×8.0 mm | |
| Weight | 212 g | 206 g | |
| Launch price | $250 | $401 |
Camera comparison
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Realme 15x
- 7000 mAh
- Wired: 60W
- Wireless charging: no data
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Realme 15x and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Realme 15x by 82.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $151. Realme 15x was $151 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Realme 15x (91/100 vs 43/100).
display
In the "display" category, the Redmi K90 notably outperforms the Realme 15x (82/100 vs 65/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Realme 15x (58/100 vs 40/100).
battery
In the "battery" category, the Realme 15x and the Redmi K90 are nearly equal (75/100 vs 72/100).
portability
In the "portability" category, the Redmi K90 is a bit better (55/100 vs 49/100).
Frequently asked questions
Which is better: the Realme 15x or the Redmi K90?
The Redmi K90 significantly outperforms the Realme 15x by 25 points (76/100 vs 51/100).
What is the rating of the Realme 15x and the Redmi K90?
The Realme 15x has a MobileRank rating of 51/100, the Redmi K90 — 76/100.
Which has the better camera: the Realme 15x or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 40/100).
Which is more powerful: the Realme 15x or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 43/100).
Should you choose the Realme 15x over the Redmi K90?
The Realme 15x 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.