When comparing XiaoMi Mi GamePad vs 8bitdo SFC30, the Slant community recommends 8bitdo SFC30 for most people. In the question“What are the best third-party game controllers for Android?” 8bitdo SFC30 is ranked 6th while XiaoMi Mi GamePad is ranked 7th. The most important reason people chose 8bitdo SFC30 is:
This controller has exactly the same design as a Super Nintendo/Super Famicom controller.
Specs
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Pros
Pro Comfortable to use for hours on end
The Xiaomi Mi GamePad feels great in the hand with its ergonomic design, and it almost feels like a mix between PS4 and Xbox One controllers.
Pro Affordable without significant compromises
This controller can often be found for $10 cheaper than other similar controllers, but doesn't have any major sacrifices.
Pro Fully compatible with Android devices
This controller works with PC and most Android devices via Bluetooth. No additional apps or configuration is needed on Android, however some games on Windows need the Xoutput program to detect it as a Xbox controller.
Pro Nostalgic design
This controller has exactly the same design as a Super Nintendo/Super Famicom controller.
Pro Light and portable
The 8bitdo SFC30 fits in your pocket easily. Dimensions are 61mm (2.4") tall, 144mm (5.66") wide, and 24mm (0.94") thick.
Cons
Con No USB support
There is no way to connect through USB. This means you can't use it without batteries, which effectively increases the long-term cost of the controller.
Con Difficult to find in brick & mortar stores
Very few storefronts carry the controller making it difficult to find. Many people like to be able to see what they buy in person before putting their money forward, but that isn't the case here.
Con Only uses AA batteries
No internal rechargeable battery, only uses AA.
Con No phone holder
The device has no way to attach a phone like many other popular bluetooth controllers. This means you'll need to find a place to prop your phone up.
Con Has issues pairing
No matter which device you try to pair the controller with, it ends up losing the pairing, forcing the player to go through the pairing process frequently enough to be annoying.
Con No analog sticks
Only really useful for 2D games as there are no analog sticks.
Con Not ergonomically designed
There aren't any grips, and the button layout is designed to be functional instead of comfortable.