Oppo A3 vs Oppo K12x 5G
Compare Oppo A3 vs Oppo K12x 5G side by side: Qualcomm Snapdragon 6s 4G Gen 1 vs MediaTek Dimensity 6300, 5100mAh vs 5100mAh battery, $699 vs $159. Full…
Oppo
Oppo A3
$699
0categories won
Oppo
Oppo K12x 5G
$159
4categories won
9 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 Oppo A3, outperforming on gaming and photography. In camera testing, the Oppo K12x 5G leads with superior optics, while battery life remains closely matched. Choose the Oppo K12x 5G if you want the highest performance ceiling, or opt for the Oppo A3 if its specific hardware strengths better fit your budget.
Both phones deliver comparable battery performance with 5,100 mAh.
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.
Oppo A3 vs Oppo K12x 5G: specifications compared
Display
| Specification | Oppo A3 | Oppo K12x 5G |
|---|---|---|
| Screen size | 6.67" | 6.67" |
| Resolution | 720 x 1604 | 720 x 1604 |
| Pixel density | 264 ppi | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1000 nits | 1000 nits |
Performance
| Specification | Oppo A3 | Oppo K12x 5G |
|---|---|---|
| Chipset | Qualcomm Snapdragon 6s 4G Gen 1 | MediaTek Dimensity 6300 |
| Process node | — | 6 nm |
| AnTuTu score | 285,000 | 430,000Winner |
| Geekbench multi | 1420 | 2060Winner |
| Maximum RAM | — | 8 GB |
| Maximum storage | — | 256GB |
Camera
| Specification | Oppo A3 | Oppo K12x 5G |
|---|---|---|
| Main sensor | — | 32 MP |
| Rear cameras | — | 2 |
| Selfie camera | 5 MP | 8 MPWinner |
| Max video | 1080p@30fps | 1080p@30fps |
Battery and charging
| Specification | Oppo A3 | Oppo K12x 5G |
|---|---|---|
| Capacity | 5,100 mAh | 5,100 mAh |
| Wired charging | 45 W | 45 W |
| Wireless charging | No | No |
Design
| Specification | Oppo A3 | Oppo K12x 5G |
|---|---|---|
| Weight | 186 g | 186 g |
| Thickness | 7.7 mm | 7.68 mm |
| Water resistance | IP54 | IP54 / MIL-STD-810H |
| Build | — | 360-degree Damage-Proof Armour Body, matte composite back, Panda Glass front |
Software and support
| Specification | Oppo A3 | Oppo K12x 5G |
|---|---|---|
| Operating system | 14, ColorOS 14 | Android 14 |
| OS updates | — | 2 years |
| Security updates | — | 3 years |
Connectivity and value
| Specification | Oppo A3 | Oppo K12x 5G |
|---|---|---|
| 5G | No | 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 |
Oppo A3
Oppo A3 is engineered for maximum durability with double-tempered glass, MIL-STD-810H shock resistance, 5100mAh battery with 45W SUPERVOOC charging, and 120Hz 1000-nit sunlight display.
- Display
- 6.67"
- Chipset
- Qualcomm Snapdragon 6s 4G Gen 1
- Battery
- 5,100mAh
- Software
- 14, ColorOS 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