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; estimated prices are $250 and $401. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 37/100 (a 31-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 7000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 524,785); the Redmi K90 has NFC for contactless payments, the Realme 15x doesn't.
Realme 15x
Redmi K90
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper: $250 vs $401
- Better value for money (93/100 vs 82/100)
- Higher AnTuTu: 3088357 vs 524785
- Better Geekbench Single: 3050 vs 771
- Better Geekbench Multi: 9300 vs 1980
- Bigger battery: 7100 vs 7000 mAh
- Faster charging: 100W vs 60W
- Lighter: 206g vs 212g
- Higher performance (69/100 vs 0/100)
- Better camera (53/100 vs 38/100)
- Longer battery life (71/100 vs 60/100)
- Better design/ergonomics (42/100 vs 35/100)
Comparing the Realme 15x vs the Redmi K90, the Redmi K90 scores 31 points higher (68/100 vs 37/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 38/100). In the "battery" category, the Redmi K90 leads (71/100 vs 60/100). In the "value for money" category, the Realme 15x leads (93/100 vs 82/100). In the "performance" category, the Redmi K90 significantly outperforms the Realme 15x (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 Realme 15x (53/100 vs 38/100). In the "battery" category, the Redmi K90 is a bit better (71/100 vs 60/100). In the "design" category, the Redmi K90 is a bit better (42/100 vs 35/100). In the "value for money" category, the Realme 15x is a bit better (93/100 vs 82/100).
| Specification | Realme 15x | Redmi K90 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 524785 | 3088357 | |
| Geekbench Single | 771 | 3050 | |
| Geekbench Multi | 1980 | 9300 | |
| 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 | |
| Price | $250 | $401 |
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Realme 15x
- 7000 mAh
- Wired: 60W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Realme 15x and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Realme 15x by 83.0% in our overall performance rating.
Price difference: $151. Realme 15x is cheaper by $151.
performance
In the "performance" category, the Redmi K90 significantly outperforms the Realme 15x (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 Realme 15x (53/100 vs 38/100).
battery
In the "battery" category, the Redmi K90 is a bit better (71/100 vs 60/100).
design
In the "design" category, the Redmi K90 is a bit better (42/100 vs 35/100).
value for money
In the "value for money" category, the Realme 15x is a bit better (93/100 vs 82/100).
Which is better: the Realme 15x or the Redmi K90?
The Redmi K90 significantly outperforms the Realme 15x by 31 points (68/100 vs 37/100).
What is the rating of the Realme 15x and the Redmi K90?
The Realme 15x has a MobileRank rating of 37/100, the Redmi K90 — 68/100.
Which has the better camera: the Realme 15x or the Redmi K90?
The Redmi K90 leads on camera score (53/100 vs 38/100).
Which is more powerful: the Realme 15x or the Redmi K90?
The Redmi K90 leads on performance (69/100 vs 0/100).
Should you choose the Realme 15x over the Redmi K90?
The Realme 15x is a better fit for budget-conscious buyers. The Redmi K90 is a better fit for active users, budget-conscious buyers.