Oppo A77 (2017) vs Oppo R9s
Side-by-side specs and price comparison for buyers in Algeria.
Oppo A77 (2017)
Price coming soon
Oppo R9s
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
Oppo A77 (2017)
Faster charging
Even
Higher-resolution camera
Oppo R9s
Better display
Even
Lighter body
Oppo R9s
Best value for money
Even
Full specs comparison
Display
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Size (inches) | 5.5 | 5.5 |
| Panel Type | IPS LCD | AMOLED |
| Resolution Height | 1920 | 1920 |
| Resolution Width | 1080 | 1080 |
| PPI | 401 | 401 |
| Glass Type | — | Corning Gorrila Glass 5 |
| Screen-to-body | 71.7 | 73.4 |
Platform
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| CPU | Octa-core 2.0 GHz Cortex-A53 | Octa-core 2.0 GHz Cortex-A53 |
| GPU | Adreno 506 | Adreno 506 |
| Chipset Name | Qualcomm MSM8953 Snapdragon 625 | Qualcomm MSM8953 Snapdragon 625 |
| Process (nm) | 14 | 14 |
| OS Name | Android | Android |
| UI Skin | ColorOS 3.1 | — |
| OS Version | 7.1 | 6.0.1 |
Memory
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Card Slot | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
| Variants | 64GB 4GB RAM | 64GB 4GB RAM |
Main Camera
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Count | 1 | 1 |
| Lens | 13 MP, f/2.2 | 16 MP, f/1.7 |
Selfie Camera
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Count | 1 | 1 |
| Lens | 16 MP, f/2, 26mm, (wide) | 16 MP, f/2, 26mm, (wide) |
Battery
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Capacity (mAh) | 3200 | 3010 |
| Chemistry | Li-Ion | Li-Po |
| Wired Charging (W) | — | 20 |
Body
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Build | Glass front, aluminum back, aluminum frame | Glass front (Gorilla Glass 5), aluminum back, aluminum frame |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Height (mm) | 153.3 | 153 |
| Thickness (mm) | 7.4 | 6.6 |
| Weight (g) | 148 | 145 |
| Width (mm) | 75.9 | 74.3 |
Launch
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Announced | 2017, July. Released 2017, July | 2016, October. Released 2016, October |
| Status | Discontinued | Discontinued |
Network
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 - SIM 1 & SIM 2 | GSM 850, 900, 1800, 1900 - SIM 1 & SIM 2 |
| 3G Bands | HSDPA 850, 900, 1700(AWS), 1900, 2100 | HSDPA 850, 900, 1700(AWS), 1900, 2100 |
| 4G Bands | 1, 3, 4, 5, 8, 34, 38, 39, 40, 41 - A77 | 1, 2, 3, 4, 5, 8, 38, 39, 40, 41 |
| Speed | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps |
| Technology | GSM, CDMA, HSPA, LTE | GSM, CDMA, HSPA, EVDO, LTE |
Connectivity
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Bluetooth | 4.2 | 4 |
| NFC | No | No |
| Positioning | GPS | GPS |
| Radio | No | No |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 5 |
Sound
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | Oppo A77 (2017) | Oppo R9s |
|---|---|---|
| Sensors | Fingerprint (front-mounted), accelerometer, proximity, compass | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass |
Buying advice for Algeria
Both Oppo A77 (2017) and Oppo R9s are sold in Algeria, but they fit different priorities.
Oppo A77 (2017) packs a 3200 mAh battery, which translates to longer screen-on time when you are away from a charger.
Oppo R9s reaches a higher main-sensor resolution at 16 MP, which helps with crops and lower-light photos.
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