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In April 2014, the OnePlus One came into the market.

Its competitor, the Oppo R7, however, made its presence felt a little more than a year later in May 2015. Although both devices are not released from big names like Samsung, Apple, LG, Motorola and the like.They have their own huge fan base who expects a lot from these smartphones. Keeping up with the trend, they house non-removable batteries. While the One handset is a single SIM handset, the R7 supports dual SIM. So, how do the handsets pit against one another to live up to the expectations? Check out some interesting pointers below in this regard to deciding for yourself if either of the gadgets will prove to be an ideal choice for you based on your needs.

Dimensions, Weight and Body Material

The smartphones undoubtedly fall under the large size bracket. The OnePlus One sports dimensions of 152.9 x 75.9 x 8.9 mm whilst the R7 is sized at 5.63 x 2.80 x 0.25 mm. Considering the weight, the One device weighs around 162g while the Oppo gadget is 147g. The two smartphones also have phone lock/unlock and volume control keys on either side.

Talking about the material used for the smartphones, the OnePlus One comes with a metal body. On the other hand, the Oppo R7 houses a polycarbonate casing.

Verdict: The fact that the R7 is thinner and less bulky makes it easier to put it in your pocket or hold in your hand. But considering the looks aspect, the metal body of the One smartphone creates a premium look.

Screen Display, Pixel Resolution, and Density

Equipped with both proximity and light sensors, the OnePlus One comes with a 5.5-inch screen. Incorporating the same sensors, the Oppo R7 screen is 5 inches big. Although they have a matching pixel resolution of 1080 x 1920,their pixel densities differ. The One handset has a pixel density of 401ppi when pitted against the 441ppi R7. The former comes with IPS LCD display technology integrated, whereas the latter is loaded with an AMOLED display. Both the screens are designed with Corning Gorilla Glass 3 scratch-resistant glass.

Verdict:With more pixel density on a small screen that has the same pixel resolution as its bigger screen counterpart, the Oppo R7 images texts are definitely sharper and clearer. Added to this, daylight visibility is enhanced in this smartphone due to the IPS LCD display panel. But, the big screen of the OnePlus lends a helping hand for avid gamers and voracious readers.


The two smartphones have a 13MP primary rear snapper each. But the OnePlus One has a dual LED flash when pitted with the Oppo R7. While they have similar features and record 720p HD videos as well, the One smartphone additionally records 4K videos. On the other hand, the R7 camcorder records 1080p HD videos. The main difference in the camera feature is with respect to the front secondary snapper. The OnePlus One front camera is a 5MP snapper compared to the 8MP snapper of the Oppo R7.

Verdict: The better resolution of the R7 makes this handset a superior choice for selfie lovers to consider as shots appear with more clarity.

Hardware, Software, and Memory

The system chip and the RAM are the same Qualcomm Snapdragon brand and 3GB on either device. Even as the OnePlus One is known to have a 2.5GHz 32-bit quad-core processor, the Oppo R7 is loaded with a 1.5GHz 64-bit octa-core processor. The One and R7 handsets are also equipped with the Adreno 330 and Adreno 405 graphics processors correspondingly. Although the OnePlus One is available with an option of either 16GB or 64GB internal storage with no additional memory possibility, the Oppo R7 has only 16GB internal storage. However, the memory can be expanded using memory cards with a maximum ceiling of 128GB.

The One gadget comes with either Android’s KitKat that can be upgraded to Lollipop or the Lollipop version itself. Both models include the CyanogenMod UI. In comparison, the R7 comprises the Android KitKat operating system coupled with the ColorSense UI.

Verdict: Although the Oppo R7 has a64-bit architecture, the better clocking frequency of the OnePlus One ensures smoother and seamless performance. The fact that the CyanogenMod UI obtains sooner than the ColorSense UI is another point worth considering. If you would like to store a lot of files and avoid the device from slowing down, the R7 may be a good investment as you can save them on your memory card.


Enclosed in the One gadget is a 3100 mAh Li-Po battery compared to the 2320 mAh Li-po battery in the R7 device. Both batteries support the quick charging facility.

Verdict: The larger battery capacity of the OnePlus One results in more battery life than its Oppo R7 counterpart. However, taking a practical approach to the situation, there is not much difference as the bigger screen of the One results in more battery consumption.