Gaming PCs have become more powerful and affordable over the years. They are portable and are great to run high-intensity games. But gaming laptops cannot beat a custom-built desktop in terms of specifications, components, and scalability.
My biggest concern, however, with a desktop is the cost and time spent on building your own gaming machine. Finding the right graphics card, motherboard, processor, memory, computer case, gaming monitor, power supply, CPU cooler, and peripherals can be a daunting task.

The Dell G5 is a well-rounded gaming desktop - but of course, it's far from perfect. Although the G5 desktop offers plenty of power, the machine has its limitations as far as upgrading all other components besides the CPU, GPU, and RAM.

The G5 is clearly made for those people who don't have the time or money to build a gaming desktop but still want a reliable desktop with tonnes of ports and good performance. It's fine for extreme gaming and everyday use, but if you are an obsessed PC gamer and have a big budget, I would still insist you build your own gaming PC.