Windows 7  alone requires 15 GB disk space, too much if you have a disk with only 32 GB.
The limiting factor of speed is temperature, the released heat is proportional to speed.
Turn off or cut the wires of yours CPU big fan and see how many seconds your computer is alive.
The active area of a CPU is very small, the square block with a lot of pins is only the casing and it must have a big surface to dissipate heat generated by a tiny area inside the casing. Over the CPU is a big aluminium heat sink to dissipate the heat produced by the CPU and over the heat sink is a big fan for dissipate by forced air circulation all the heat released by the heat sink.
The CPU itself can fit inside a cell phone, but where do you put the big heat sink and big fan?
The only way to make work a CPU inside a cell phone is that the CPU release very few heat and if you want the CPU release few heat the CPU must run at very low clock speeds, 20 MHz will be OK, welcome to the 386....!

Stupidity also evolves!