Realme 15x vs Redmi K90 Pro Max
The Realme 15x (2025) runs on the MediaTek Dimensity 6300, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $250 and $561. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 51/100 (a 35-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 7000); the Redmi K90 Pro Max is faster in AnTuTu (3,622,315 vs 528,398); the Redmi K90 Pro Max has NFC for contactless payments, the Realme 15x doesn't.
Profile comparison
Category scores
Realme 15x
Redmi K90 Pro Max
What makes Realme 15x better?
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $250 vs $561
- Overall rating 51/100
What makes Redmi K90 Pro Max better?
- Higher AnTuTu: 3622315 vs 528398
- Better Geekbench Single: 3639 vs 771
- Better Geekbench Multi: 11047 vs 1980
- Bigger battery: 7560 vs 7000 mAh
- Faster charging: 100W vs 60W
- Lighter: 210g vs 212g
- Higher performance (97/100 vs 43/100)
- Better camera (78/100 vs 40/100)
- Longer battery life (89/100 vs 75/100)
- Better display (81/100 vs 65/100)
- Better portability (54/100 vs 49/100)
Comparison verdict
Comparing the Realme 15x vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 35 points higher (86/100 vs 51/100). In the "performance" category, the Redmi K90 Pro Max leads (97/100 vs 43/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 40/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 75/100). Value score: Realme 15x — 52/100, Redmi K90 Pro Max — 90/100; 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 Pro Max significantly outperforms the Realme 15x (97/100 vs 43/100). In the "display" category, the Redmi K90 Pro Max notably outperforms the Realme 15x (81/100 vs 65/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Realme 15x (78/100 vs 40/100). In the "battery" category, the Redmi K90 Pro Max is a bit better (89/100 vs 75/100). In the "portability" category, the Redmi K90 Pro Max is a bit better (54/100 vs 49/100).
Specs comparison
| Specification | Realme 15x | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 528398 | 3622315 | |
| Geekbench Single | 771 | 3639 | |
| Geekbench Multi | 1980 | 11047 | |
| Display | 6.8" IPS LCD | 6.9" OLED | |
| Resolution | 720x1570 | 2608x1200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 7560 mAh | |
| Charging | 60W | 100W | |
| Wireless charging | — | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 6GB / 8GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| 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 | 163.3×77.8×7.9 mm | |
| Weight | 212 g | 210 g | |
| Launch price | $250 | $561 |
Camera comparison
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Battery and charging
Realme 15x
- 7000 mAh
- Wired: 60W
- Wireless charging: no data
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Realme 15x and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Realme 15x by 85.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $311. Realme 15x was $311 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Realme 15x (97/100 vs 43/100).
display
In the "display" category, the Redmi K90 Pro Max notably outperforms the Realme 15x (81/100 vs 65/100).
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Realme 15x (78/100 vs 40/100).
battery
In the "battery" category, the Redmi K90 Pro Max is a bit better (89/100 vs 75/100).
portability
In the "portability" category, the Redmi K90 Pro Max is a bit better (54/100 vs 49/100).
Frequently asked questions
Which is better: the Realme 15x or the Redmi K90 Pro Max?
The Redmi K90 Pro Max significantly outperforms the Realme 15x by 35 points (86/100 vs 51/100).
What is the rating of the Realme 15x and the Redmi K90 Pro Max?
The Realme 15x has a MobileRank rating of 51/100, the Redmi K90 Pro Max — 86/100.
Which has the better camera: the Realme 15x or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on camera score (78/100 vs 40/100).
Which is more powerful: the Realme 15x or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (97/100 vs 43/100).
Should you choose the Realme 15x over the Redmi K90 Pro Max?
The Realme 15x is a better fit for those who care about battery life. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.