Infinix Note 40X 5G vs Oppo K12x 5G
Compare Infinix Note 40X 5G vs Oppo K12x 5G side by side: MediaTek Dimensity 6300 vs MediaTek Dimensity 6300, 5000mAh vs 5100mAh battery, $699 vs $159. Full…
Infinix
Infinix Note 40X 5G
$699
2categories won
Oppo
Oppo K12x 5G
$159
5categories won
6 categories tied · 13 scored in total · add a third phone
Which one wins?
Oppo K12x 5G takes the overall win
The Oppo K12x 5G proves superior overall against the Infinix Note 40X 5G, outperforming on gaming and photography. In camera testing, the Oppo K12x 5G leads with superior optics, while battery endurance leans towards the Oppo K12x 5G. Choose the Oppo K12x 5G if you want the highest performance ceiling, or opt for the Infinix Note 40X 5G if its specific hardware strengths better fit your budget.
Oppo K12x 5G takes battery honors offering 5,100 mAh alongside 45W charging.
Oppo K12x 5G provides greater sustained gaming output with its MediaTek Dimensity 6300 and 8GB RAM.
Oppo K12x 5G takes photography with 32MP optics.
Oppo K12x 5G wins on budget and value at $159 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 Oppo K12x 5G: specifications compared
Display
| Specification | Infinix Note 40X 5G | Oppo K12x 5G |
|---|---|---|
| Screen size | 6.78" | 6.67" |
| Resolution | 1080 x 2460Winner | 720 x 1604 |
| Pixel density | 396 ppiWinner | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 500 nits | 1000 nitsWinner |
Performance
| Specification | Infinix Note 40X 5G | Oppo K12x 5G |
|---|---|---|
| Chipset | MediaTek Dimensity 6300 | MediaTek Dimensity 6300 |
| Process node | — | 6 nm |
| AnTuTu score | 415,000 | 430,000 |
| Geekbench multi | 1950 | 2060 |
| Maximum RAM | — | 8 GB |
| Maximum storage | — | 256GB |
Camera
| Specification | Infinix Note 40X 5G | Oppo K12x 5G |
|---|---|---|
| Main sensor | — | 32 MP |
| Rear cameras | — | 2 |
| Selfie camera | 8 MP | 8 MP |
| Max video | 1440p@30fps | 1080p@30fps |
Battery and charging
| Specification | Infinix Note 40X 5G | Oppo K12x 5G |
|---|---|---|
| Capacity | 5,000 mAh | 5,100 mAh |
| Wired charging | 18 W | 45 WWinner |
| Wireless charging | No | No |
Design
| Specification | Infinix Note 40X 5G | Oppo K12x 5G |
|---|---|---|
| Weight | 201 g | 186 gWinner |
| Thickness | 8.3 mm | 7.68 mmWinner |
| Water resistance | IP52 | IP54 / MIL-STD-810H |
| Build | — | 360-degree Damage-Proof Armour Body, matte composite back, Panda Glass front |
Software and support
| Specification | Infinix Note 40X 5G | Oppo K12x 5G |
|---|---|---|
| Operating system | 14, XOS 14 | Android 14 |
| OS updates | — | 2 years |
| Security updates | — | 3 years |
Connectivity and value
| Specification | Infinix Note 40X 5G | Oppo K12x 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac) |
| Storage expansion | microSD | microSD |
| 3.5mm jack | No | No |
| Launch price | $699 | $159Winner |
Infinix Note 40X 5G
Infinix Note 40X 5G brings high-tier memory configurations (up to 12GB RAM and 256GB storage), a 108MP camera, 120Hz Full HD+ display, and dual speakers with DTS sound to the sub-$180 segment.
- Display
- 6.78"
- Chipset
- MediaTek Dimensity 6300
- Battery
- 5,000mAh
- Software
- 14, XOS 14
Oppo K12x 5G
The Oppo K12x 5G brings military-grade MIL-STD-810H shock resistance to the sub-$160 5G segment. Featuring an ultra-slim 7.68mm 360-degree Damage-Proof Armour Body, 45W SuperVOOC fast charging, 1,000 nits 120Hz display, and Splash Touch usability.
- Display
- 6.67"
- Chipset
- MediaTek Dimensity 6300
- Main camera
- 32MP
- Battery
- 5,100mAh
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