The OPPO K12S and OPPO A3 Pro’s comparison highlights two impressive mid-range smartphones tailored for different user preferences. The OPPO K12S, priced at Rs. 19,999, offers a Snapdragon 7 Gen 2 processor, a 6.72-inch AMOLED display, and 67 W fast charging. Meanwhile, the OPPO A3 Pro, priced at Rs. 17,499, focuses on affordability with a 6.5-inch LCD display, MediaTek Dimensity 6020 processor, and a robust 5000 mAh battery.
The OPPO K12S stands out for its vibrant display and superior performance, making it ideal for gaming and multitasking. In contrast, the OPPO A3 Pro appeals to budget-conscious users prioritising battery life and dependable day-to-day functionality. Both models support 5G connectivity, ensuring seamless internet access. For detailed pricing and features, explore
OPPO 5G and check the
OPPO A3 Pro to make an informed choice that suits your lifestyle and budget. Learn more on the Bajaj Mall website or visit one of 1.5 lakh+ partner stores across 4,000+ cities. Shop on Easy EMIs on the Bajaj Finserv EMI Network, with repayment options from 1 month to 60 months. Enjoy benefits like zero down payment and free home delivery on select products.
Technical specifications - OPPO K12S vs OPPO A3 Pro
The OPPO K12S and OPPO A3 Pro are excellent options in the mid-range smartphone market, offering distinct features and reliable performance. This technical comparison provides detailed insights into their specifications, helping users choose the best smartphone suited to their needs. Below are the comprehensive specifications.
General
The OPPO K12S, launched on 10 January 2025, features a Snapdragon processor and a sleek design for modern users. The OPPO A3 Pro, launched on 15 March 2025, combines affordability with essential features. Both devices support dual SIM functionality and 5G connectivity, making them suitable for users who value performance and network reliability.
| Component | OPPO K12S | OPPO A3 Pro |
| Launch date | 10 January 2025 | 15 March 2025 |
| Brand | OPPO | OPPO |
| Processor | Snapdragon 7+ Gen 2 | MediaTek Dimensity 6020 |
| Operating system | Android 14 | Android 13 |
| Sim slots | Dual | Dual |
| Sim size | Nano | Nano |
| Network | 5G, 4G, 3G, 2G | 5G, 4G, 3G, 2G |
Performance and hardware
The OPPO K12S excels in gaming and multitasking with its Snapdragon processor and Adreno graphics. Meanwhile, the OPPO A3 Pro offers balanced performance with its Dimensity 6020 chip, making it a great choice for everyday use. Both devices provide ample RAM and storage for various user requirements.
| Component | OPPO K12S | OPPO A3 Pro |
| Processor | Snapdragon 7+ Gen 2 | MediaTek Dimensity 6020 |
| Graphics | Adreno 730 | Mali-G57 MC2 |
| RAM | 8GB, 12GB | 6GB, 8GB |
| Antutu score | 850,000 | 520,000 |
| Storage | 128GB, 256GB | 128GB |
| Security | Side-mounted fingerprint | Rear-mounted fingerprint |
| Sensors | Gyroscope, Proximity | Accelerometer, Gyroscope |
| Audio | Stereo speakers | Mono speaker |
Display
The OPPO K12S offers a 6.72-inch AMOLED display, delivering vibrant colours and excellent brightness levels. The OPPO A3 Pro features a slightly smaller 6.5-inch LCD display, which is energy-efficient and offers decent viewing angles. Both models provide full HD resolution, catering to diverse user needs for media consumption.
| Component | OPPO K12S | OPPO A3 Pro |
| Screen size | 6.72-inch | 6.5-inch |
| Screen resolution | 2400 x 1080 pixels | 2400 x 1080 pixels |
| Aspect ratio | 20:9 | 20:9 |
| Pixel density | 393 ppi | 405 ppi |
| Display type | AMOLED | IPS LCD |
| Screen protection | Gorilla Glass | Panda Glass |
| Touch screen | Yes | Yes |
Camera
The OPPO K12S boasts a versatile 64MP triple-camera system for enhanced photography, while the OPPO A3 Pro offers a dual-camera setup with 50MP resolution. Both models include features like Night Mode and HDR, but the OPPO K12S stands out with its higher resolution and additional camera support.
| Component | OPPO K12S | OPPO A3 Pro |
| Camera setup | Triple | Dual |
| Resolution | 64MP + 8MP + 2MP | 50MP + 2MP |
| Autofocus | Yes | Yes |
| OIS | No | No |
| Flash | LED Flash | LED Flash |
| Image resolution | 9280 x 6944 pixels | 8160 x 6120 pixels |
| Settings | HDR, Panorama | HDR, Panorama |
| Shooting modes | Night, Portrait | Night, Portrait |
Connectivity and network compatibility
Both models offer seamless connectivity with dual SIM support and 5G networks. The OPPO K12S includes Wi-Fi 6 for faster data speeds, while the OPPO A3 Pro maintains reliable connectivity with Wi-Fi 5, making them suitable for modern users seeking efficiency.
| Component | OPPO K12S | OPPO A3 Pro |
| Sim size | Nano | Nano |
| Network support | 5G, 4G, 3G, 2G | 5G, 4G, 3G, 2G |
| Volte | Yes | Yes |
| Sim 1 | 5G | 5G |
| Sim 2 | 4G | 4G |
Battery
The OPPO K12S features a 5100 mAh battery with 67 W fast charging, providing quick recharges. The OPPO A3 Pro also offers 5100 mAh capacity but slower 33 W charging. Users can choose based on their priority—faster charging or extended battery life.
| Component | OPPO K12S | OPPO A3 Pro |
| Capacity | 5100 mAh | 5100 mAh |
| Type | Li-Polymer | Li-Polymer |
| Wireless charging | No | No |
| Quick charging | 67 W | 33 W |
OPPO K12S vs OPPO A3 Pro - Benchmark
Benchmark tests reveal the OPPO K12S leads in performance with its superior processor and graphics capabilities. The OPPO A3 Pro focuses on steady, energy-efficient performance, ideal for everyday users.
| Component | OPPO K12S | OPPO A3 Pro |
| Antutu | 850,000 | 520,000 |
| GeekBench | 4300 | 2700 |
| 3DMark | 6500 | 4100 |
| DxoMark | 125 | 105 |
Price comparison - OPPO K12S vs OPPO A3 Pro
Both smartphones are priced to cater to different budgets. The OPPO K12S targets users seeking high performance and superior features, while the OPPO A3 Pro offers excellent value for its price.
| Model | Storage, RAM, Colour | Price |
| OPPO K12S | 128GB, 8GB, Blue | Rs. 19,999 |
| 256GB, 12GB, Black | Rs. 22,999 |
| OPPO A3 Pro | 128GB, 6GB, Grey | Rs. 17,499 |
| 128GB, 8GB, Blue | Rs. 18,999 |
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