Oppo A3x vs Oppo A78
Side-by-side specs and price comparison for buyers in Algeria.
Oppo A3x
Oppo A78
Quick Verdict
Who wins each category, side by side.
Better price
Oppo A3x
Faster chip
Even
Bigger battery
Oppo A3x
Faster charging
Oppo A3x
Higher-resolution camera
Oppo A78
Better display
Oppo A3x
Lighter body
Oppo A3x
Best value for money
Even
Full specs comparison
Display
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| Size (inches) | 6.67 | 6.56 |
| Panel Type | IPS LCD | IPS LCD |
| Resolution Height | 1604 | 1612 |
| Resolution Width | 720 | 720 |
| Refresh Rate | 120 | 90 |
| Peak Brightness | 1000 | 600 |
| PPI | 264 | 269 |
| Glass Type | Panda glass | Panda glass |
| Screen-to-body | 85.2 | 84 |
Platform
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| CPU | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| GPU | Mali-G57 MC2 | Mali-G57 MC2 |
| Chipset Name | Mediatek Dimensity 6300 | Mediatek Dimensity 700 |
| Process (nm) | 6 | 7 |
| OS Name | Android | Android |
| UI Skin | ColorOS 14 | ColorOS 14 |
| OS Version | 14 | 12 |
Memory
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| Card Slot | microSDXC | microSDXC |
| Variants | 64GB 4GB RAM, 128GB 4GB RAM | 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
Main Camera
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| Video | 1080p@30/60fps | 1080p@30fps |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Count | 1 | 2 |
| Depth | — | 2 MP, f/2.4, (depth) |
| Wide | 8 MP, f/2, (wide) | 50 MP, f/1.8, 27mm, (wide) |
Selfie Camera
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Count | 1 | 1 |
| Lens | 5 MP, f/2.2, (wide) | 8 MP, f/2, 27mm, (wide) |
Battery
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| Capacity (mAh) | 5100 | 5000 |
| Chemistry | — | Li-Po |
| Wired Charging (W) | 45 | 33 |
Body
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Height (mm) | 165.7 | 163.8 |
| Thickness (mm) | 7.7 | 8 |
| Weight (g) | 187 | 188 |
| Width (mm) | 76 | 75.1 |
Launch
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| Announced | 2024, August 02 | 2023, January 07 |
| Status | Available. Released 2024, August 02 | Available. Released 2023, January 07 |
Network
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | GSM 850, 900, 1800, 1900 |
| 3G Bands | HSDPA 900, 2100 | HSDPA 800, 850, 900, 1700(AWS), 1900, 2100 |
| 4G Bands | 1, 3, 5, 8, 28, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 |
| 5G Bands | 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM, HSPA, LTE, 5G | GSM, HSPA, LTE, 5G |
Connectivity
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| Bluetooth | 5.3 | 5.3 |
| NFC | No | Yes |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | No | No |
| USB Type | Type-C | Type-C |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
Sound
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes, with stereo speakers |
Features
| Spec | Oppo A3x | Oppo A78 |
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
Buying advice for Algeria
Both Oppo A3x and Oppo A78 are sold in Algeria, but they fit different priorities.
Oppo A3x is 6% cheaper at 30,000 DZD versus 32,000 DZD for the Oppo A78, leaving room for accessories or a longer screen-protection plan.
Oppo A3x packs a 5100 mAh battery, which translates to longer screen-on time when you are away from a charger.
Oppo A78 reaches a higher main-sensor resolution at 50 MP, which helps with crops and lower-light photos.
In the 30,000 to 60,000 DZD bracket, look for 5,000 mAh batteries, 120Hz screens, and at least 6 GB of RAM.
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