Infinix Note 40X 5G vs Nothing Phone (3a) Pro

Compare Infinix Note 40X 5G vs Nothing Phone (3a) Pro side by side: MediaTek Dimensity 6300 vs Qualcomm Snapdragon 7 Gen 4, 5000mAh vs 5400mAh battery, $699…

Infinix

Phone (3a) Pro

$429

7categories won

2 categories tied · 10 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Nothing Phone (3a) Pro takes the overall win

Overall Pick

The Nothing Phone (3a) Pro proves superior overall against the Infinix Note 40X 5G, outperforming on gaming and photography. In camera testing, the Phone (3a) Pro leads with superior optics, while battery endurance leans towards the Phone (3a) Pro. Choose the Phone (3a) Pro if you want the highest performance ceiling, or opt for the Infinix Note 40X 5G if its specific hardware strengths better fit your budget.

🔋 BatteryPhone (3a) Pro

Phone (3a) Pro takes battery honors offering 5,400 mAh alongside 65W charging.

🎮 GamingPhone (3a) Pro

Phone (3a) Pro provides greater sustained gaming output with its Qualcomm Snapdragon 7 Gen 4 and 16GB RAM.

📸 CameraPhone (3a) Pro

Phone (3a) Pro takes photography with 50MP optics and 2x optical telephoto capabilities.

🏷️ ValuePhone (3a) Pro

Phone (3a) Pro wins on budget and value at $429 compared to $699.

Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.

Infinix Note 40X 5G vs Phone (3a) Pro: specifications compared

Display

Display comparison between the Infinix Note 40X 5G, Nothing Phone (3a) Pro
Specification	Infinix Note 40X 5G	Phone (3a) Pro
Screen size	6.78"	6.72"
Resolution	1080 x 2460Winner	1080 x 2412
Pixel density	396 ppi	—
Refresh rate	120 Hz	120 Hz
Peak brightness	500 nits	2000 nitsWinner

Performance

Performance comparison between the Infinix Note 40X 5G, Nothing Phone (3a) Pro
Specification	Infinix Note 40X 5G	Phone (3a) Pro
Chipset	MediaTek Dimensity 6300	Qualcomm Snapdragon 7 Gen 4
Process node	—	4 nm
AnTuTu score	415,000	—
Geekbench multi	1950	—
Maximum RAM	—	16 GB
Maximum storage	—	512GB

Camera

Camera comparison between the Infinix Note 40X 5G, Nothing Phone (3a) Pro
Specification	Infinix Note 40X 5G	Phone (3a) Pro
Main sensor	—	50 MP
Rear cameras	—	3
Optical zoom	—	2x
Ultrawide	—	50 MP
Selfie camera	8 MP	32 MPWinner
Max video	1440p@30fps	—

Battery and charging

Battery and charging comparison between the Infinix Note 40X 5G, Nothing Phone (3a) Pro
Specification	Infinix Note 40X 5G	Phone (3a) Pro
Capacity	5,000 mAh	5,400 mAhWinner
Wired charging	18 W	65 WWinner
Wireless charging	No	25 WWinner

Design

Design comparison between the Infinix Note 40X 5G, Nothing Phone (3a) Pro
Specification	Infinix Note 40X 5G	Phone (3a) Pro
Weight	201 g	194 gWinner
Thickness	8.3 mm	8.4 mm
Water resistance	IP52	IP68

Software and support

Software and support comparison between the Infinix Note 40X 5G, Nothing Phone (3a) Pro
Specification	Infinix Note 40X 5G	Phone (3a) Pro
Operating system	14, XOS 14	Android 16
OS updates	—	4 years
Security updates	—	5 years

Connectivity and value

Connectivity and value comparison between the Infinix Note 40X 5G, Nothing Phone (3a) Pro
Specification	Infinix Note 40X 5G	Phone (3a) Pro
5G	Yes	Yes
Wi-Fi	Wi-Fi 5 (802.11ac)	Wi-Fi 6
Storage expansion	microSD	None
3.5mm jack	No	No
Launch price	$699	$429Winner