Oppo K3 vs Oppo Reno Z vs Oppo A9x: Specs Comparison

Oppo will launch its mid-ranger K3 in the Indian market in a few days. Those days when Oppo was a China-based manufacturer selling offline in the Chinese market only are gone: now it is a global brand and it is a potential menace to Samsung and the other best manufacturers all around the world. If you are looking for a midrange phone released from this company this period is perfect for you as Oppo launched a lot of affordable devices. Given that Oppo K3 launches as soon as next week, here is a comparison with the other Oppo midranges which are more or less at the same level in similar price tags: Oppo Reno Z and Oppo A9x.


Oppo K3 vs Oppo Reno Z vs Oppo A9X

Oppo K3 Oppo Reno Z Oppo A9x
DIMENSIONS AND WEIGHT 161.2 x 76 x 9.4 mm, 191 grams 157.3 x 74.9 x 9.1 mm, 186 grams 162 x 76.1 x 8.3 mm, 190 grams
DISPLAY 6.5 inches, 1080 x 2340p (Full HD+), 394 ppi, AMOLED 6.4 inches, 1080 x 2340p (Full HD+), 403 ppi, AMOLED 6.53 inches, 1080 x 2340p (Full HD+), 395 ppi, LTPS IPS LCD
PROCESSOR Qualcomm Snapdragon 710, octa-core 2.2 GHz Mediatek Helio P90, octa-core 2.2 GHz Mediatek Helio P70, octa-core 2.1 GHz
MEMORY 6 GB RAM, 64 GB – 8 GB RAM, 128 GB – 8 GB RAM, 256 GB 6 GB RAM, 128 GB  – 6 GB RAM, 256 GB 6 GB RAM, 128 GB, micro SD slot
SOFTWARE Android 9 Pie, Color OS Android 9 Pie, Color OS Android 9 Pie, Color OS
CONNECTIVITY Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, GPS Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, GPS  Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, GPS
CAMERA Dual 16 + 2 MP f/1.7 and f/2.4
16 MP f/2.0 front camera
Dual 48 + 5 MP f/1.7 and f/2.4
32 MP f/2.0 front camera
Dual 48 + 2 MP f/1.7 and f/2.4
16 MP f/2.0 front camera
BATTERY 3765 mAh, fast charging 20W wih VOOC 3.0 4035 mAh, fast charging 20W with VOOC 3.0 4020 mAh, fast charging 20W with VOOC 3.0
ADDITIONAL FEATURES Dual SIM slot Dual SIM slot Dual SIM slot


Oppo K3 has the most stunning form factor. Despite it is not part of the Reno line-up, its back cover looks like the ones on Reno devices. And it even comes with a pop-up camera which helps to minimize the bezels without the aid of a classic waterdrop notch. If we exclude the K3, I personally prefer the Reno Z because it offers a cleaner glass back thanks to its in-display fingerprint reader. The design of the A9x looks more outdated due to the presence of a single module for the dual camera setup and a rear-mounted fingerprint reader. It even comes with a lower screen-to-body ratio.



The level of detail offered by these handsets’ displays is pretty much the same, but the overall performance changes when it comes to color reproduction. Oppo K3 and Oppo Reno Z are way better because they sport an AMOLED display, and the Reno Z wins the comparison due to the support to the HDR10 technology. On the other hand, you should note that the Reno Z has a slightly smaller display than K3 and it comes with a waterdrop notch, unlike the K3. Oppo A9x still comes with an above-average display, but it looks like an inferior IPS panel.


Specs & Software

Despite the MediaTek Helio P90 found on the Reno Z is a more recent chipset with a higher base frequency, the Snapdragon 710 by Qualcomm which you can find on the Oppo K3 is a more powerful SoC. Further, the K3 is equipped with up to 8 GB of RAM and up to 256 GB of internal storage in its most expensive configuration, while Reno Z stops at 6 GB of RAM and 256 GB of internal storage. The A9x has an even less powerful chipset than Reno Z: an older Helio P70 and just 6 GB of RAM. Unlike its rivals, it sports a micro SD slot, but it loses the comparison because of its weaker hardware side. Each handset has both Android 9 Pie and Color OS 6 out of the box.



While Oppo K3 has the best hardware, it definitely comes with the worst camera department. The winner here is the Oppo Reno Z with its 48 MP dual camera, a bright f/1.7 aperture and a 5 MP depth sensor. Oppo A9x still offers a 48 MP dual camera, but the secondary sensor is an inferior one with a lower 2 MP resolution. Further, the Reno Z has a way better selfie camera with a resolution of 32 MP. So, there is no challenge, Reno Z is way more interesting.



With a capacity of more than 4000 mAh, Oppo Reno Z and A9x have the biggest batteries. But which one lasts more? Well, the Reno Z offers a longer battery life in a lot of scenarios because it comes with a smaller and more efficient AMOLED display, as well as a more efficient chipset. Oppo K3 is equipped with an AMOLED display as well, but its battery is smaller with a 3765 mAh capacity, so there is no way it can reach the overall battery life of the Reno Z.



Here is the element which should mostly influence your final decision. As you had the chance to understand, the Oppo Reno Z is an overall better device under most of the point of views. It rocks a better display, way better cameras, and even higher battery life, despite it is powered by a lower-end chipset and less RAM than the Oppo K3. But it costs a lot more: the Reno Z starts from €330/$370, while Oppo K3 costs just €210/$235 and Oppo A9x starts from €260/$290 (we are referring to listing prices). That is why at the end of the day I would go for the Oppo K3: it has a worse camera, but also a better design, a much higher value for money, better performances and a still good battery life.


Oppo K3 vs Oppo Reno Z vs Oppo A9X: PROs and CONS

Oppo K3


  • Best design
  • Best hardware
  • Wide display
  • Affordable



Oppo A9x


  • Wide display
  • Big battery
  • Micro SD slot
  • Nice cameras


  • No UD fingerprint reader
  • Worse hardware


Oppo Reno Z


  • Big battery
  • Best cameras
  • Great display
  • Well built



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