Which one is better, oppo R813 or R821?

Both have their own merits

R821 is a new mobile phone recently launched by Oppo. It is based on the newly designed UI interface and UI plug-in of the Android 4.2.2 system, which is full of technology and fashion. Massive applications, one-stop built-in practical software such as Sogou Bus, Sohu Video, etc. ensure worry-free travel, enjoy wonderful videos anytime, anywhere, and enjoy free text messages anytime, anywhere, making communication more convenient

Network parameters Network type GSM/ TD-SCDMA network frequency TD-SCDMA: 1880-1920MHz/2010-2025MHz

GSM: 850/900/1800/1900 MHz basic parameters size about 123×63.5×9.9 (mm) weight about 125g (with belt Standard configuration battery) Operating system Android 4.2.2CPU1.2G Cortex-A7 Dual-core GPUMali 400 Memory 512 MB Storage space 4GB* Whether to support expansion support, the maximum support is 32GB MicroSD Screen size 4 inches Display resolution 800×480 pixels Display color 1670 Thousand-color display material IPS touch screen capacitive screen, multi-touch camera pixels rear - 3 million pixels, front - 300,000 pixels camera mode automatic face recognition, normal, panoramic, continuous shooting, smile group shooting special effects camera mirror , fish eyes, virtual focus, tunnel, pointed chin, big nose, swollen left face, cat face. For other audio video recording details, please see /index.php?q=mobile/product/newtplamp; name=r821tamp; tpl=specification

r813 OPPO exclusive voice assistant: Find nearby food, book air and train tickets, set event reminders, map positioning and navigation, open or close applications, just one sentence, "Xiaoou" can help you easily get super SMS backup Forgetting function: Press and hold important text messages to memo them with one click and set timed reminders to help you sort out your time. Yunxin free text messages, conversation mode/scheduled text message sending, text message collection, text message backup, text message search, built-in discount information and learning paradise, control food, drink, and fun with one hand, know discounts, discounts, and group purchase information in advance; control study and examination with one hand, and use translation dictionary at will. Have fun and grow at the same time, and enjoy smart life easily. Android4.0 intelligent operating system upgrades the entertainment experience in all aspects.

Network type TD-SCDMA, GSM network parameters 2G: GSM 850/900/1800/1900MHz

3G: TD-SCDMA 1880-1920MHz/2010-2025MHz basic parameters size about 123mm*63.5mm*9.9mm weight About 128.5g operating system Android OS 4.0 CPU dual-core 1GHz memory 4GB ROM 512MB RAM memory card supports MicroSD card expansion, supports up to 32GB display screen size 4.0-inch resolution WVGA, 800×480 pixel display color 16 million color material TFT touch screen capacitive screen , multi-touch camera parameters: rear camera - 5 million pixels, front camera - 300,000 pixels, focus mode 0 seconds no delay, tracking focus, touch focus, autofocus camera mode: normal, panorama, continuous shooting, HDR, human Special effects camera mirroring such as face recognition, smile group shooting, fisheye, virtual focus, tunnel, pointed chin, big nose, swollen left face, cat face and other video recording with sound, low light, backlight, natural light shooting, please see /index for details. php?q=mobile/product/newtplamp;name=r813tamp;tpl=specification

Of course, we recommend that you go to major OPPO stores or mobile phone stores to experience your favorite OPPO mobile phone in person. I believe you can You can more intuitively experience the various performances of your favorite models to facilitate your purchase; check the major OPPO stores: /?q=service/oppostore/p/E8AFB7E98089E68BA9/c//g/1