Commodore 64 was my first as well and I had one of the tape drives.  Damn I'm old  :-[  
Here are some specs I found:
CPU: 6510, 0.985 MHz (PAL) and 1.02 MHz (NTSC).
ROM: 20 Kbytes.
RAM: 64 Kbytes.
Sound: SID 6581, 3 channels of lovely sound.
Display: VIC-II, 16 colours, text resolution at 40 x 25. Graphics resolution at 320 x 200.
Storage: Tape interface or a 5 1/4" floppy drive that can store 170k/side.
Keyboard: Non-standard ASCII, 66 keys.