Infinix Note 40X 5G vs Realme 15x
The Infinix Note 40X 5G (2024) runs on the MediaTek Dimensity 6300, while the Realme 15x (2025) runs on the MediaTek Dimensity 6300. By overall MobileRank rating, the Realme 15x leads — 51/100 vs 46/100 (a 5-point difference). Key differences: the Realme 15x has the bigger battery (7000 mAh vs 5000); the main camera is 108 MP vs 50 MP; the Infinix Note 40X 5G has NFC for contactless payments, the Realme 15x doesn't.
Profile comparison
Category scores
Infinix Note 40X 5G
Realme 15x
What makes Infinix Note 40X 5G better?
- Better main camera: 108MP vs 50MP
- Lighter: 201g vs 212g
- Better display (66/100 vs 65/100)
- Better portability (55/100 vs 49/100)
What makes Realme 15x better?
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 60W vs 18W
- Higher refresh rate: 144Hz vs 120Hz
- Better camera (40/100 vs 39/100)
- Longer battery life (75/100 vs 43/100)
Comparison verdict
Comparing the Infinix Note 40X 5G vs the Realme 15x, the Realme 15x scores 5 points higher (51/100 vs 46/100). In the "battery" category, the Realme 15x leads (75/100 vs 43/100). In the "performance" category, both devices are on the same level — 43/100. In the "display" category, the Infinix Note 40X 5G and the Realme 15x are nearly equal (66/100 vs 65/100). In the "camera" category, the Realme 15x and the Infinix Note 40X 5G are nearly equal (40/100 vs 39/100). In the "battery" category, the Realme 15x significantly outperforms the Infinix Note 40X 5G (75/100 vs 43/100). In the "portability" category, the Infinix Note 40X 5G is a bit better (55/100 vs 49/100).
Specs comparison
| Specification | Infinix Note 40X 5G | Realme 15x | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | MediaTek Dimensity 6300 | |
| AnTuTu | 528398 | 528398 | |
| Geekbench Single | 771 | 771 | |
| Geekbench Multi | 1980 | 1980 | |
| Display | 6.8" IPS LCD | 6.8" IPS LCD | |
| Resolution | 1080x2460 | 720x1570 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | 18W | 60W | |
| Main camera | 108 MP | 50 MP | |
| Front camera | 8 MP | 50 MP | |
| RAM | 8GB / 12GB | 6GB / 8GB | |
| Storage | 256GB | 128GB / 256GB | |
| OS | Android 14, XOS 14 | Android 15 | |
| Brightness (peak) | — | 1200 nits | |
| NFC | yes | no | |
| Protection | — | IP68/IP69 | |
| Dimensions | 168.9×76.5×8.3 mm | 166.1×77.9×8.3 mm | |
| Weight | 201 g | 212 g | |
| Launch price | — | $250 |
Camera comparison
Infinix Note 40X 5G
- Main: 108MP f/1.8
- Front: 8MP
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Display comparison
Infinix Note 40X 5G
- 6.8" IPS LCD
- Resolution: 1080x2460
- Refresh rate: 120 Hz
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Battery and charging
Infinix Note 40X 5G
- 5000 mAh
- Wired: 18W
- No wireless charging
Realme 15x
- 7000 mAh
- Wired: 60W
- Wireless charging: no data
Overall performance score
We compared Infinix Note 40X 5G and Realme 15x, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Benchmarks
Launch prices and where to check today's
Infinix Note 40X 5G
Price unknownDetailed category analysis
performance
In the "performance" category, both devices are on the same level — 43/100.
display
In the "display" category, the Infinix Note 40X 5G and the Realme 15x are nearly equal (66/100 vs 65/100).
camera
In the "camera" category, the Realme 15x and the Infinix Note 40X 5G are nearly equal (40/100 vs 39/100).
battery
In the "battery" category, the Realme 15x significantly outperforms the Infinix Note 40X 5G (75/100 vs 43/100).
portability
In the "portability" category, the Infinix Note 40X 5G is a bit better (55/100 vs 49/100).
Frequently asked questions
Which is better: the Infinix Note 40X 5G or the Realme 15x?
The Realme 15x edges out the Infinix Note 40X 5G by just 5 points — the two devices are very close in overall level.
What is the rating of the Infinix Note 40X 5G and the Realme 15x?
The Infinix Note 40X 5G has a MobileRank rating of 46/100, the Realme 15x — 51/100.
Should you choose the Infinix Note 40X 5G over the Realme 15x?
The Realme 15x is a better fit for those who care about battery life.