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Infinix Note 40 5G vs Oppo K12x 5G

Compare Infinix Note 40 5G vs Oppo K12x 5G side by side: MediaTek Dimensity 7020 vs MediaTek Dimensity 6300, 108MP vs 32MP camera, 5000mAh vs 5100mAh battery…

Infinix Infinix Note 40 5G official product image

Infinix

Infinix Note 40 5G

$219

7categories won

Oppo Oppo K12x 5G official product image

Oppo

Oppo K12x 5G

$159

3categories won

10 categories tied · 20 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Oppo K12x 5G takes the overall win

Overall Pick

The Oppo K12x 5G proves superior overall against the Infinix Note 40 5G, outperforming on battery endurance and daily usability. In camera testing, the Infinix Note 40 5G leads with sharper imaging, 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 40 5G if its specific hardware strengths better fit your budget.

🔋 BatteryOppo K12x 5G

Oppo K12x 5G takes battery honors offering 5,100 mAh alongside 45W charging.

🎮 GamingTie

Both handsets deliver top-tier speed with MediaTek Dimensity 7020 and smooth everyday multitasking.

📸 CameraInfinix Note 40 5G

Infinix Note 40 5G wins photography with 108MP main imaging.

🏷️ ValueOppo K12x 5G

Oppo K12x 5G wins on budget and value at $159 compared to $219.

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 40 5G vs Oppo K12x 5G: specifications compared

Display

Display comparison between the Infinix Note 40 5G, Oppo K12x 5G
SpecificationInfinix Note 40 5GOppo K12x 5G
Screen size
6.78"
6.67"
Resolution
1080 x 2436Winner
720 x 1604
Pixel density
393 ppiWinner
264 ppi
Refresh rate
120 Hz
120 Hz
Peak brightness
1300 nitsWinner
1000 nits

Performance

Performance comparison between the Infinix Note 40 5G, Oppo K12x 5G
SpecificationInfinix Note 40 5GOppo K12x 5G
Chipset
MediaTek Dimensity 7020
MediaTek Dimensity 6300
Process node
6 nm
6 nm
AnTuTu score
455,000
430,000
Geekbench multi
2210
2060
Maximum RAM
8 GB
8 GB
Maximum storage
256GB
256GB

Camera

Camera comparison between the Infinix Note 40 5G, Oppo K12x 5G
SpecificationInfinix Note 40 5GOppo K12x 5G
Main sensor
108 MPWinner
32 MP
Rear cameras
3Winner
2
Selfie camera
32 MPWinner
8 MP
Max video
1440p@30fps, 1080p@60fps
1080p@30fps

Battery and charging

Battery and charging comparison between the Infinix Note 40 5G, Oppo K12x 5G
SpecificationInfinix Note 40 5GOppo K12x 5G
Capacity
5,000 mAh
5,100 mAh
Wired charging
33 W
45 WWinner
Wireless charging
15 WWinner
No

Design

Design comparison between the Infinix Note 40 5G, Oppo K12x 5G
SpecificationInfinix Note 40 5GOppo K12x 5G
Weight
185 g
186 g
Thickness
8 mm
7.68 mmWinner
Water resistance
IP53
IP54 / MIL-STD-810H
Build
Flat frame, matte composite back, reinforced glass front
360-degree Damage-Proof Armour Body, matte composite back, Panda Glass front

Software and support

Software and support comparison between the Infinix Note 40 5G, Oppo K12x 5G
SpecificationInfinix Note 40 5GOppo K12x 5G
Operating system
Android 14
Android 14
OS updates
2 years
2 years
Security updates
3 years
3 years

Connectivity and value

Connectivity and value comparison between the Infinix Note 40 5G, Oppo K12x 5G
SpecificationInfinix Note 40 5GOppo 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
$219
$159Winner

Infinix Note 40 5G

The Infinix Note 40 5G makes wireless charging truly accessible under $220, featuring 15W wireless MagCharge, 33W wired charging, 108MP main camera, 120Hz AMOLED display, JBL tuned audio, and Active Halo AI lighting.

Display
6.78"
Chipset
MediaTek Dimensity 7020
Main camera
108MP
Battery
5,000mAh
Full Infinix Note 40 5G specifications →

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
Full Oppo K12x 5G specifications →

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