The Raspberry Pi is used as a central controller for customer face recognition. Both, the Raspberry Pi 3 and ODROID-XU4 come with a quad-core ARM Cortex-A7, but the extra clock speed and RAM in ODROID-XU4. it supports 4K videos .So,As an alternative is it be beneficial to use ODROID-XU4 instead of Raspberry Pi?
From economical point of view, ODROID-XU4 will cost more than RPi 3, so if RPi 3 is performing the task sufficiently then no need for the replacement, but if technically there is a need for more storage and faster processing then the replacement can take place.
I am currently using a Rpi 3 with a Qt application as a HMI. The application runs fine to a certain point and it can do about everything. There is however one menu in which the machine will send a lot of bytes to let the HMI display text on the monitor. And it is simply too much for the Rpi to handle it. I might be able to fix this in software but in worst case scenario I'd have to update the hardware.
So I have been doing a little bit of research and I have found the following boards. - Asus tinkerboard - Banana Pi - Odroid C2 - Odroid XU4
The first 3 are buffed Raspberry Pi clones and the 4th appears to be the strongest, and you get to use a eMMC module which appears to be much faster than an SD card.
I'd prefer to be able to simply swap the Sd-card without losing functionality like you do when you from from Pi2 to Pi3. What is an absolute must is that I can run a Qt application on it whether it is cross-compiled on my Pc or native compiled.
The Odroid XU4 looks like very powerfull hardware to me, but I doubt if I can simply swap the Raspian Sd card. Can anybody share experience or give advice?
Might be a silly question but have you considered just upgrading to te Raspberry Pi 4 instead? The new version is between 1.5x-2x more powerful depending on the benchmark you look at. It can also use twice as much RAM (4Gb instead of 2Gb). That way, you would also have much better chances of avoiding software compatibility problems (the other hardware are much more different than the difference from the Pi 3 to Pi 4)
See some benchmarks of the the Raspberry 4 vs Raspberry 3:
https://www.techrepublic.com/article/raspberry-pi-4-model-b-review-this-board-really-can-replace-your-pc/
https://www.raspberrypi.org/magpi/raspberry-pi-4-specs-benchmarks/
Raspbian will only run on a Pi. You cannot plug a raspbian SD into an odroid. You will want to use armbian on an Odriod. If you have everything set up on the Pi, just stick with that and I agree with Bruno Martin, if you need more power, get a Pi 4.
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