Oppo A3 vs Oppo K12 Plus 5G
Compare Oppo A3 vs Oppo K12 Plus 5G side by side: Qualcomm Snapdragon 6s 4G Gen 1 vs Qualcomm Snapdragon 7 Gen 3, 5100mAh vs 6400mAh battery, $699 vs $279…
Oppo
Oppo A3
$699
2categories won
Oppo
Oppo K12 Plus 5G
$279
8categories won
3 categories tied · 13 scored in total · add a third phone
Which one wins?
Oppo K12 Plus 5G takes the overall win
The Oppo K12 Plus 5G proves superior overall against the Oppo A3, outperforming on gaming and photography. In camera testing, the Oppo K12 Plus 5G leads with superior optics, while battery endurance leans towards the Oppo K12 Plus 5G. Choose the Oppo K12 Plus 5G if you want the highest performance ceiling, or opt for the Oppo A3 if its specific hardware strengths better fit your budget.
Oppo K12 Plus 5G takes battery honors offering 6,400 mAh alongside 80W charging.
Oppo K12 Plus 5G provides greater sustained gaming output with its Qualcomm Snapdragon 7 Gen 3 and 12GB RAM.
Oppo K12 Plus 5G takes photography with 50MP optics.
Oppo K12 Plus 5G wins on budget and value at $279 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 K12 Plus 5G: specifications compared
Display
| Specification | Oppo A3 | Oppo K12 Plus 5G |
|---|---|---|
| Screen size | 6.67" | 6.7" |
| Resolution | 720 x 1604 | 1080 x 2412Winner |
| Pixel density | 264 ppi | 394 ppiWinner |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1000 nits | 1100 nits |
Performance
| Specification | Oppo A3 | Oppo K12 Plus 5G |
|---|---|---|
| Chipset | Qualcomm Snapdragon 6s 4G Gen 1 | Qualcomm Snapdragon 7 Gen 3 |
| Process node | — | 4 nm |
| AnTuTu score | 285,000 | 820,000Winner |
| Geekbench multi | 1420 | 3380Winner |
| Maximum RAM | — | 12 GB |
| Maximum storage | — | 512GB |
Camera
| Specification | Oppo A3 | Oppo K12 Plus 5G |
|---|---|---|
| Main sensor | — | 50 MP |
| Rear cameras | — | 2 |
| Ultrawide | — | 8 MP |
| Selfie camera | 5 MP | 16 MPWinner |
| Max video | 1080p@30fps | 4K@30fps, 1080p@60fps |
Battery and charging
| Specification | Oppo A3 | Oppo K12 Plus 5G |
|---|---|---|
| Capacity | 5,100 mAh | 6,400 mAhWinner |
| Wired charging | 45 W | 80 WWinner |
| Wireless charging | No | No |
Design
| Specification | Oppo A3 | Oppo K12 Plus 5G |
|---|---|---|
| Weight | 186 gWinner | 192 g |
| Thickness | 7.7 mmWinner | 8.37 mm |
| Water resistance | IP54 | IP54 |
| Build | — | Diamond anti-drop architecture, frosted composite back, double-strengthened glass front |
Software and support
| Specification | Oppo A3 | Oppo K12 Plus 5G |
|---|---|---|
| Operating system | 14, ColorOS 14 | Android 14 |
| OS updates | — | 3 years |
| Security updates | — | 4 years |
Connectivity and value
| Specification | Oppo A3 | Oppo K12 Plus 5G |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 6 (802.11ax) |
| Storage expansion | microSD | microSD |
| 3.5mm jack | No | No |
| Launch price | $699 | $279Winner |
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 K12 Plus 5G
The Oppo K12 Plus 5G is built for extreme battery endurance, packing an enormous 6,400mAh silicon-carbon battery with 80W SuperVOOC charging, 10W reverse charging, Snapdragon 7 Gen 3 silicon, 50MP Sony OIS camera, and Diamond Anti-Drop structural certification.
- Display
- 6.7"
- Chipset
- Qualcomm Snapdragon 7 Gen 3
- Main camera
- 50MP
- Battery
- 6,400mAh