Nothing Phone (3a) Pro vs Oppo K12x 5G

Compare Nothing Phone (3a) Pro vs Oppo K12x 5G side by side: Qualcomm Snapdragon 7 Gen 4 vs MediaTek Dimensity 6300, 50MP vs 32MP camera, 5400mAh vs 5100mAh…

Nothing

Oppo K12x 5G

$159

3categories won

1 categories tied · 17 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 claims the overall win over the Oppo K12x 5G, delivering a stronger technical package across gaming and photography. In camera testing, the Phone (3a) Pro leads with sharper imaging, 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 Oppo K12x 5G if its lower retail price better fit your budget.

🔋 BatteryPhone (3a) Pro

Phone (3a) Pro wins on endurance with 5,400 mAh and 65W fast charging.

🎮 GamingPhone (3a) Pro

Phone (3a) Pro leads gaming and raw performance powered by the Qualcomm Snapdragon 7 Gen 4 and 16GB RAM.

📸 CameraPhone (3a) Pro

Phone (3a) Pro wins photography with 50MP main imaging and 2x dedicated optical zoom.

🏷️ ValueOppo K12x 5G

Oppo K12x 5G wins on budget and value at $159 compared to $429.

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.

Phone (3a) Pro vs Oppo K12x 5G: specifications compared

Display

Display comparison between the Nothing Phone (3a) Pro, Oppo K12x 5G
Specification	Phone (3a) Pro	Oppo K12x 5G
Screen size	6.72"	6.67"
Resolution	1080 x 2412Winner	720 x 1604
Pixel density	—	264 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	2000 nitsWinner	1000 nits

Performance

Performance comparison between the Nothing Phone (3a) Pro, Oppo K12x 5G
Specification	Phone (3a) Pro	Oppo K12x 5G
Chipset	Qualcomm Snapdragon 7 Gen 4	MediaTek Dimensity 6300
Process node	4 nmWinner	6 nm
AnTuTu score	—	430,000
Geekbench multi	—	2060
Maximum RAM	16 GBWinner	8 GB
Maximum storage	512GBWinner	256GB

Camera

Camera comparison between the Nothing Phone (3a) Pro, Oppo K12x 5G
Specification	Phone (3a) Pro	Oppo K12x 5G
Main sensor	50 MPWinner	32 MP
Rear cameras	3Winner	2
Optical zoom	2x	—
Ultrawide	50 MP	—
Selfie camera	32 MPWinner	8 MP
Max video	—	1080p@30fps

Battery and charging

Battery and charging comparison between the Nothing Phone (3a) Pro, Oppo K12x 5G
Specification	Phone (3a) Pro	Oppo K12x 5G
Capacity	5,400 mAhWinner	5,100 mAh
Wired charging	65 WWinner	45 W
Wireless charging	25 WWinner	No

Design

Design comparison between the Nothing Phone (3a) Pro, Oppo K12x 5G
Specification	Phone (3a) Pro	Oppo K12x 5G
Weight	194 g	186 gWinner
Thickness	8.4 mm	7.68 mmWinner
Water resistance	IP68	IP54 / MIL-STD-810H
Build	—	360-degree Damage-Proof Armour Body, matte composite back, Panda Glass front

Software and support

Software and support comparison between the Nothing Phone (3a) Pro, Oppo K12x 5G
Specification	Phone (3a) Pro	Oppo K12x 5G
Operating system	Android 16	Android 14
OS updates	4 yearsWinner	2 years
Security updates	5 yearsWinner	3 years

Connectivity and value

Connectivity and value comparison between the Nothing Phone (3a) Pro, Oppo K12x 5G
Specification	Phone (3a) Pro	Oppo K12x 5G
5G	Yes	Yes
Wi-Fi	Wi-Fi 6	Wi-Fi 5 (802.11ac)
Storage expansion	None	microSD
3.5mm jack	No	No
Launch price	$429	$159Winner