Here are the N64's technical specifications:
64BIT MIPS R4300 running at 93.75Mhz, 64BIT RISC "Reality Inmersion"
graphics processor running at 62.5Mhz, 4.5Mb of RAM, screen
resolutions of up to 640x480 and 16.8 million colors, Stereo
sound with 100 PCM (Pulse Control Modulation) channels, can
take up to 4 joysticks and accepts cartridges of up to 32MB
of data capacity.