Which is better, Oppo K7 5G or vivo V15? We compared their features and specs in detail

The size of the body has a big influence on the ease of carrying and one-handed operation. The narrower the width, the easier it is to firmly grasp and hold, but you also have to take into account the device's thickness. Also, if the width and height are smaller, its easier to operate one-handed since its easier to extend your fingers. On the contrary, if the width and height are large, it's difficult to fit in your pocket and is bulky even when put in a bag, and portability is impaired.

The Oppo K7 5G has a width of 2.9 inches (74.3 mm), a length of 6.3 inches (160.3 mm), and a thickness of 0.3 inches (8 mm). Also, the vivo V15 has a width of 3.0 inches (75.9 mm), a length of 6.3 inches (161.2 mm), and a thickness of 0.3 inches (8.5 mm).

Comparing the width and thickness of the body, there isn't much difference between the Oppo K7 5G and vivo V15 in terms of size. For that reason, the ease of gripping and carrying the devices in one hand is about the same for both. Therefore it's better to compare them in terms of performance and functionality.

Comparing the width and thickness of the body, there isn't a large difference in size between the Oppo K7 5G and the vivo V15. For that reason their one-handed operability, portability, and bulkiness when carried is about the same. That's why I think it's better to compare them in terms of other aspects of performance and functionality.

Comparing the overall size of the two devices, there isn't a big difference in size between the Oppo K7 5G and the vivo V15. For that reason the ease of carrying and use with one hand is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

The weight of the device affects hand fatigue and the burden placed upon the wrist. The lighter it is, the longer you'll be able to operate the device without tiring. Also, if the burden placed on the wrist is lower, you'll be able to use the device more comfortably. However if the weight isn't right for you, it could place more of a burden on your body, causing you to feel stress.

The weight of the Oppo K7 5G is about 180 oz (180 g), and the weight of the vivo V15 is about 189.5 oz (189.5 g). Comparing the weight of the two devices, there isn't much difference in weight between the Oppo K7 5G and vivo V15. That's why the likelihood of fatigue in the fingers and wrists after extended use is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

The size of the screen affects usability and screen visibility. A larger screen means larger letters and buttons on apps, so the user is less likely to tap adjacent buttons by mistake. In addition, the user can enjoy a more intense experience when playing games and watching videos.

The Oppo K7 5G has a 6.4 inch display. Also, the vivo V15 has a 6.53 inch display. Comparing the screen size, there is a negligible difference in screen size between the Oppo K7 5G and the vivo V15. As a result, the app buttons on both are equally easy to press. We recommend comparing them based on other aspects of performance and functionality.

Pixel density affects picture quality, and the higher the pixel density, the better the picture quality, which means the user can gain more enjoyment from games and videos. In addition, higher picture quality decreases eyestrain, which means that the user will experience less eye fatigue after prolonged use.

The resolution on the Oppo K7 5G is 1080 x 2400, and pixel density is 411 ppi. Also, the resolution on the vivo V15 is 1080 x 2340, and pixel density is 394 ppi. Comparing the pixel count, the difference in pixel density between the Oppo K7 5G and the vivo V15 is negligible. As a result, they are both evenly matched in terms of picture quality and easiness on the eyes. Therefore, we recommend comparing them based on other aspects of performance and functionality.

Battery performance greatly affects battery life, but greater battery capacity does not necessarily mean greater battery life, since battery efficiency should also be considered. Bigger screens and higher CPU performance will mean the batteries are depleted more quickly.

The Oppo K7 5G is 4025 mAh, and the vivo V15 is 4000 mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the Oppo K7 5G and vivo V15. Since both have roughly equal battery life, you are better off comparing them based on other aspects of performance and functionality.

CPU performance affects the ability to process programs, and the ability to process programs is determined by the product of the number of cores in the CPU and the CPU frequency. The higher this performance is, the more smoothly apps and games will run, and with low performance apps and games become heavy and stress is experienced.

The Oppo K7 5G's CPU is a Qualcomm SDM765 Snapdragon 765G, with performance measured at 2.4GHz+2.2GHz+1.8GHz×8(OctaCore). Also, the vivo V15's CPU is a Mediatek MT6771 Helio P70, with performance measured at 2.1GHz+2.0GHz×8(OctaCore). Comparing CPU performance, there is almost no difference in the specs of the Oppo K7 5G and the vivo V15. For that reason the level of smoothness felt when using apps and comfortable handling of games is about the same. For that reason it is better to compare them in terms of other aspects of performance and functionality.

RAM affects multitasking ability and the stability of apps. The larger the amount of RAM is, the more stability there will be even in situations where multiple apps are running simultaneously, allowing for comfortable use. In addition, animation will be more smooth, and apps will be less likely to freeze or crash. Also, without sufficient RAM, there are games you won't be able to run, so it is necessary to be careful.

The weight of the Oppo K7 5G is 8GB and the weight of the vivo V15 is 6GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the Oppo K7 5G and the vivo V15. For that reason they have about the same level of multitasking performance and 3D game and VR smoothness. That's why it is better to make a comparison in terms of other aspects of performance and functionality.

Storage capacity affects the amount of data that is capable of being stored. The larger the storage capacity, the more pictures you can take and the more applications you can install. In addition, if your smartphone accepts SD cards, then you can increase its storage capacity. However, there are performance related drawbacks, including a slower data transfer rate than the primary memory, and you cannot transfer all your data on the card, so be warned.

The data storage capacity of the Oppo K7 5G is 256GB. Also the vivo V15 is 128GB. Regarding storage capacity, there is a negligible difference in storage capacity between the Oppo K7 5G and vivo V15. As a result, you can save roughly the same amount of pictures, and install roughly the same amount of applications, on either phone. You are better off comparing them based on other aspects of performance and functionality.

One factor that determines the performance of the exterior camera located on the back of the device (the rear/back camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

Oppo K7 5G has a 48 MP main camera. Also, vivo V15 has a 24 MP main camera. Comparing rear camera performance, the Oppo K7 5G has a much higher pixel count compared to the vivo V15, with a roughly 24 MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the Oppo K7 5G is superior to the vivo V15. If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the Oppo K7 5G over the vivo V15.

One factor that determines the performance of the exterior camera located on the front of the device (the in/front camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

Oppo K7 5G has an 32 MP front camera and vivo V15 has an 32 MP front camera. Comparing rear camera performance, the Oppo K7 5G and vivo V15 have approximately the same pixel count. As a result, they can both take pictures and shoot videos of roughly the same quality. Therefore, we recommend comparing the two based on other aspects of performance and functionality.