In the smartphone market, OPPO has been doing an excellent job. In 2016 OPPO became China’s top and 4th largest smartphone brand in the world. They recently launched the Oppo R15 and R15 pro to the market. In China, “the Oppo R15 Professional” is somewhat usually known as “the Oppo R15 Dream Mirror Version”. Like Oppo, Vivo also released a pro version of Vivo X21 known as Vivo X21 UD.
I have done a comparison of the specifications of Oppo R15 and Vivo X21. But today we will see the pro or superior versions of 2 smartphones. they all offer hot features for the smartphone market, especially the impressive AMOLED capacitive touchscreen. so let’s begin our Specs Comparison Between Oppo R15 Pro and Vivo X21 UD.
Design
The Oppo R15 pro comes with a glass front, an aluminum frame, and a ceramic back. The Vivo X21 UD is just equipped with an aluminum body with front glass. Compared to the in the term of weight Oppo R15 pro (175 grams), the Vivo X21 UD is lighter (156.2 grams). there’s not a lot of difference in the size of both Smartphones. The Oppo R15 pro measures 7.5 mm and the Vivo X21 UD measures 7.4 mm. The Oppo R15 pro features a rear-mounted fingerprint sensor. The Vivo X21 UD doesn’t. in comparison, in vivo X21 UD fingerprint sensor is located at the bottom of the display.
Both devices are available in only 2 colors. Vivo X21 UD has Black and ruby red and Oppo R15 pro features Ceramic black and dream mirror red. The Vivo X21 UD’s dual rear camera is in a horizontal position. On the Oppo R15 pro, its dual rear camera is in a vertical position. both phones aren’t waterproof/dustproof.
Screen
The Vivo X21 UD features a better touch screen than the Oppo R15 pro. this is their only major difference in this category. The Oppo R15 pro has an AMOLED capacitive touchscreen. The screen size is 6.28 inches and the screen to body ratio is 84.9. The Vivo X21 UD uses a super AMOLED capacitive touchscreen. 6.28-inch screen and 85.2% screen to body ratio. The display resolution of both smartphones is 1080 x 2280 pixels. Oppo R15 pro has a density of 401 PPI. The Vivo X21 UD features a density of 402 PPI. The Oppo R15 pro screen is protected by Corning Gorilla Glass 5.
Camera
The Oppo R15 pro brings higher camera quality to the Vivo X21 UD. This smartphone has dual 16MP f/1.7 aperture and 20MP f/1.7 aperture rear camera. there is also a 20MP f / 2.0 front camera, AI smart and smart beauty. The Vivo X21 UD is equipped with a dual 12MP f/1.8 aperture with a 5MP f/2.4 aperture rear camera. And 12MP f/2.0 aperture front camera.
Hardware and software
Coincidentally, both smartphones have the same operating system (OS), chipset, central processing unit, graphics processing unit, random access memory (RAM) and the same internal memory. They use Qualcomm Snapdragon 660 chipset and eight-core 2.2GHz processor. And run on android 8.1 Oreo. With 128GB of internal storage, you can use the microSD in the SIM 2 slot to expand to 256GB. there’s also a 6GB RAM.
Battery
The Oppo R15 Pro’s battery capacity is slightly better. The Oppo R15 pro uses a non-removable Li-Po 3400 mAh battery. The Vivo X21 UD is a non-detachable Li-lon 3200 mAh battery. both phones come with fast battery charging software.
Price
The Oppo R15 Pro is offered at about $628. while the Vivo X21 UD is available at around $677. both Smartphones are quite similar in many ways. The Oppo R15 has higher and better battery capability and top quality camera and also cheaper than the Vivo X21 UD. The worth of your money will likely be on Oppo R15 pro.
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