vs
Oppo A77
Oppo R9
Top 57%2,392 points
Top 57%
Top 57%2,430 points
Top 57%
Oppo A77
Oppo R9
Top specs and features

Oppo A77 vs Oppo R9: 102 facts in comparison

1. battery power

12.28% more battery power.
3200mAh
Energizer Power Max P16K Pro: 16000mAh
2850mAh

2. total clock speed

1.5x faster CPU clock speed.
8 x 1.5GHz
Meizu Pro 7 Plus 64GB: 10 x 2.6GHz
4 x 2GHz

3. pixel density

0% higher pixel density.
401ppi
Sony Xperia H8541: 847ppi
401ppi

4. screen size

The bigger the screen size is, the better the user experience.
5.5"
Huawei Honor 8X Max: 7.12"
5.5"

5. RAM

0MB more RAM memory.
4GB
Oppo R17 Pro: 8GB
4GB

6. megapixels

0% more megapixels (main camera).
13MP
Huawei Mate RS Porsche Design: 40 & 20 & 8MP
13MP

7. resolution

0% higher resolution.
1080 x 1920px
Sony Xperia H8541: 2160 x 4320px
1080 x 1920px

8. front camera megapixels

0% more megapixels (front camera).
16MP
Wiko View2 Pro: 16 & 16MP
16MP

9. has an external memory slot

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.
Oppo A77
Oppo R9
86% have it

10. has branded damage resistant glass

Damage resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.
Oppo A77
Oppo R9
40% have it

11. weight

8g lighter.
153g
Starmobile Uno B208: 68g
145g

12. every pixel has three subpixels

The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.
Oppo A77
Oppo R9
78% have it

13. thickness

0.7mm thinner.
7.3mm
Asus Zenfone AR 64GB: 4.6mm
6.6mm

14. internal storage

0MB more internal storage.
64GB
Smartisan Nut R1: 1024GB
64GB

15. has stereo speakers

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
Oppo A77
Oppo R9
19% have it

16. has a removable battery

The battery is removable and can be replaced by the user if broken.
Oppo A77
Oppo R9
37% have it

17. download speed

0% faster downloads.
150MBits/s
Sony Xperia XZ2 Dual SIM: 1200MBits/s
150MBits/s

18. video recording (main camera)

The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.
1080 x 30fps
Apple iPhone XS Max 64GB: 2160 x 60fps
1080 x 30fps

19. wireless charging

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
Oppo A77
Oppo R9
7% have it

20. has an IPS screen

IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of normal TFTs TN-matrices: relatively slow response times, small viewing angles and low quality color reproduction.
Oppo A77
Oppo R9
56% have it

21. width

0.9mm narrower.
75.2mm
Samsung Galaxy Note 9 (Qualcomm Snapdragon 845) 128GB: 8.8mm
74.3mm

22. Has a dual-tone LED flash

A dual-tone flash has LED lights with different color temperatures, delivering a better color balance to photos and videos.
Oppo A77
Oppo R9
27% have it

23. Has a fingerprint scanner

The device has a fingerprint scanner which identifies the user.
Oppo A77
Oppo R9
35% have it

24. has a dedicated camera button

A dedicated camera button allows you to take snapshots more easily.
Oppo A77
Oppo R9
7% have it

25. widest aperture

With a wider aperture the sensor can capture more light, helping to avoid blur by enabling a faster shutter speed. It also provides a shallow depth of field, allowing you to blur the background to focus attention on the subject.
f/2.2
Samsung Galaxy S9 Dual SIM: f/1.5
f/2.2

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