This is for Socket 370 processors

    Processor Process Core Voltage Clock Output L1 Cache L2 Cache FSB
    Intel Celeron 0.18 µm Coppermine 1.75 V 1100 MHz 33 W 16+16 KB 128 KB 66/100 MHz
    Intel Celeron 0.13 µm Tualatin 1.5 V 1400 MHz 35 W 16+16 KB 128 KB 66/100 MHz
    Intel Celeron 0.18 µm Willamette 1.55 V 1700 MHz 64 W 16+16 KB 256 KB 100 MHz
    Intel Pentium III 0.13 µm Tualatin 1.45 V 1400 MHz 31 W 16+16 KB 512 KB 133 MHz
    Intel Pentium 4 0.18 µm Willamette 1.75 V 2000 MHz 75 W 8 KB 256 KB 400 MHz QDR
    Intel Pentium 4 0.13 µm Northwood 1.5 V 2533 MHz 59 W 8 KB 512 KB 400/533 MHz QDR
    AMD Duron 0.18 µm Morgan 1.75 V 1300 MHz 60 W 64+64 KB 64 KB 200 MHz DDR
    AMD Athlon 0.18 µm Thunderbird 1.75 V 1400 MHz 72 W 64+64 KB 256 KB 200/266 MHz DDR
    AMD Athlon XP 0.18 µm Palomino 1.75 V 1733 MHz
    (2100+)    		 73 W 64+64 KB 256 KB 266 MHz DDR
    AMD Athlon XP 0.13 µm Thoroughbred 1.5 V 1733 MHz
    (2100+)    		 56.4 W 64+64 KB 256 KB 266 MHz DDR
    VIA C3 0.13 µm Ezra-T 1.35 V 1000 MHz 12 W 64+64 KB 64 KB 100/133 MHz

    Processor L1 Cache L2 Cache FSB
    Intel Celeron 16+16 KB 128 KB 66/100 MHz
    Intel Celeron 16+16 KB 256 KB 100 MHz
    Intel Pentium III 16+16 KB 256 KB 100/133 MHz
    Intel Pentium III 16+16 KB 512 KB 133 MHz
    Intel Pentium 4 8 KB 256 KB 400 MHz QDR
    Intel Pentium 4 8 KB 512 KB 400/533 MHz QDR
    AMD Duron 64+64 KB 64 KB 200 MHz DDR
    AMD Athlon 64+64 KB 256 KB 200/266 MHz DDR
    AMD Athlon XP 64+64 KB 256 KB 266 MHz DDR
    VIA C3 64+64 KB 64 KB 100/133 MHz
    * I got this from Tom's Hardware a while back

    A good link off of a Lunch box site for the PIII Tualatin Watts here
    An even better link on processor power here
    On silent PC's in general here