Oppo A3 4G vs Google Pixel 4a 5G: A Detailed Comparison of Budget Champions
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🏆 Quick Verdict
For the average user prioritizing camera quality and software experience, the Google Pixel 4a 5G is the superior choice. Its Snapdragon 765G chipset and Google’s image processing algorithms deliver noticeably better photos and smoother performance. However, the Oppo A3 4G’s 45W charging is a significant advantage for those who value speed.
| PHONES | ||
|---|---|---|
| Phone Names | Oppo A3 4G | Google Pixel 4a 5G |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - version 1 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 26, 28, 38, 40, 41, 66 - version 1 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 48, 66, 71 |
| 5G bands | - | 1, 2, 3, 5, 7, 8, 12, 28, 41, 66, 71, 77, 78 Sub6, mmWave (market dependant) |
| Speed | HSPA, LTE | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE / 5G |
| Launch | ||
|---|---|---|
| Announced | 2024, August 20 | 2020, September 30 |
| Status | Available. Released 2024, August 20 | Available. Released 2020, November 05 |
| Body | ||
|---|---|---|
| Build | - | Glass front (Gorilla Glass 3), plastic back, plastic frame |
| Dimensions | 165.8 x 76.1 x 7.7 mm (6.53 x 3.00 x 0.30 in) | 153.9 x 74 x 8.2 mm (Sub-6) or 8.5 mm (Sub-6 and mmWave) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + eSIM |
| Weight | 186 g (6.56 oz) | 168 g (5G Sub-6); 171 g ( 5G Sub-6 and mmWave) (5.93 oz) |
| Display | ||
|---|---|---|
| Protection | Panda glass | Corning Gorilla Glass 3 |
| Resolution | 720 x 1604 pixels, 20:9 ratio (~264 ppi density) | 1080 x 2340 pixels, 19.5:9 ratio (~413 ppi density) |
| Size | 6.67 inches, 107.2 cm2 (~85.0% screen-to-body ratio) | 6.2 inches, 95.7 cm2 (~84.1% screen-to-body ratio) |
| Type | IPS LCD, 90Hz, 1000 nits (HBM) | OLED, HDR |
| - | Always-on display | |
| Platform | ||
|---|---|---|
| CPU | Octa-core (4x2.1 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) | Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) |
| Chipset | Qualcomm SM-6115 Snapdragon 6s 4G Gen1 (11 nm) | Qualcomm SM7250 Snapdragon 765G 5G (7 nm) |
| GPU | Adreno 610 | Adreno 620 |
| OS | Android 14, ColorOS 14 | Android 11, upgradable to Android 14 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC | No |
| Internal | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM | 128GB 6GB RAM |
| - | UFS 2.1 | |
| Main Camera | ||
|---|---|---|
| Dual | 50 MP, f/1.8, (wide), PDAF Auxiliary lens | 12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 16 MP, f/2.2, 107˚ (ultrawide), 1.0µm |
| Features | LED flash, HDR, panorama | LED flash, Pixel Shift, Auto-HDR, panorama |
| Video | 1080p@30/60fps | 4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | - | HDR |
| Single | 5 MP, f/2.2, (wide) | 8 MP, f/2.0, 24mm (wide), 1/4.0", 1.12µm |
| Video | 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | - | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE, aptX HD |
| NFC | Yes, 360˚ (market/region dependent) | Yes |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GLONASS, GALILEO, QZSS, BDS |
| Radio | Unspecified | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 3.1 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer |
| Battery | ||
|---|---|---|
| Charging | 45W wired, PD2.0, PPS, 50% in 30 min | 18W wired, PD2.0 |
| Type | 5100 mAh | Li-Po 3885 mAh |
| Misc | ||
|---|---|---|
| Colors | Sparkle Black, Starry Purple, Starlight White | Just Black, Clearly White |
| Models | CPH2669, CPH3669 | GD1YQ, G025I, G025E, G025H, G6QU3 |
| Price | About 150 EUR | About 140 EUR |
Oppo A3 4G
- Extremely fast 45W charging
- Competitive price point
- Solid performance for everyday tasks
- Less powerful chipset compared to the Pixel
- Camera quality likely inferior to the Pixel
Google Pixel 4a 5G
- Superior camera quality and image processing
- 5G connectivity
- Smooth performance thanks to Snapdragon 765G
- Slower 18W charging
- Potentially higher price
Display Comparison
Neither device boasts a cutting-edge display. While specific panel details (like OLED vs LCD) are missing for the Oppo A3 4G, the Pixel 4a 5G features a 6.2-inch FHD+ OLED display. The Pixel’s OLED panel inherently offers superior contrast and color accuracy compared to a typical LCD found in this price bracket. The lack of high refresh rates on either device is standard for the segment, but the Pixel’s display benefits from Google’s color calibration, ensuring a more visually pleasing experience.
Camera Comparison
The Pixel 4a 5G excels in camera performance thanks to Google’s computational photography prowess. While specific sensor sizes aren’t provided, the Pixel’s image processing algorithms are renowned for their dynamic range, detail, and low-light performance. The Snapdragon 765G’s ISP (Image Signal Processor) also contributes to faster image processing. The Oppo A3 4G likely relies more on hardware for image quality, and while capable, it won’t match the Pixel’s software-driven enhancements. Ignoring the typical 2MP macro lens found on both, the Pixel’s overall camera system is the clear winner.
Performance
The core difference lies in the chipsets. The Google Pixel 4a 5G’s Snapdragon 765G, fabricated on a more efficient 7nm process, significantly outperforms the Oppo A3 4G’s Snapdragon 6s Gen 1 (11nm). The 765G’s Kryo 475 CPU architecture – with its Prime, Gold, and Silver cores – provides a more balanced and powerful processing experience. While both have octa-core CPUs, the 765G’s higher clock speeds (2.4 GHz peak) and architectural advantages translate to faster app loading, smoother multitasking, and better gaming performance. The 7nm process also contributes to better thermal management, reducing the likelihood of throttling during sustained workloads.
Battery Life
The Oppo A3 4G’s 45W wired charging is its standout feature. It can reportedly reach 50% charge in just 30 minutes, a significant advantage over the Pixel 4a 5G’s 18W charging. While the Pixel 4a 5G’s battery capacity is likely larger, the Oppo A3 4G’s faster charging mitigates the impact of a potentially smaller battery. The Oppo also supports PD2.0 and PPS standards, offering wider compatibility and optimized charging profiles. For users who frequently need to top up their battery quickly, the Oppo A3 4G is the clear winner.
Buying Guide
Buy the Oppo A3 4G if you need exceptionally fast charging and prioritize a consistently responsive experience for everyday tasks. Its 45W charging will minimize downtime. Buy the Google Pixel 4a 5G if you prefer a superior camera system, access to timely software updates, and the potential for 5G connectivity, even if it means slower charging speeds and a potentially higher price point.