List of Intel Pentium III microprocessors Desktop processors "Coppermine" (180 nm)

| Model_Number | Frequency | L2_Cache | Mult | Voltage | Socket | Release_Date | Part_Numbers |
|---|---|---|---|---|---|---|---|
| PentiumIII600E | 600MHz | 256 KB | 6× | 1.7–1.75 V | Slot 1 | October 25, 1999 | 80526PY600256 |
| PentiumIII600EB | 600MHz | 256 KB | 4.5× | 1.65–1.7 V | Socket 370 | October 25, 1999 | RB80526PZ600256 |
| PentiumIII600EB | 600MHz | 256 KB | 4.5× | 1.65–1.7 V | Slot 1 | October 25, 1999 | 80526PZ600256 |
| PentiumIII650 | 650MHz | 256 KB | 6.5× | 1.65–1.7 V | Socket 370 | October 25, 1999 | RB80526PY650256 |
| PentiumIII650 | 650MHz | 256 KB | 6.5× | 1.65–1.7 V | Slot 1 | October 25, 1999 | 80526PY650256 |
| PentiumIII667 | 666MHz | 256 KB | 5× | 1.65–1.7 V | Socket 370 | October 25, 1999 | RB80526PZ667256 |
| PentiumIII667 | 666MHz | 256 KB | 5× | 1.65–1.7 V | Slot 1 | October 25, 1999 | 80526PZ667256 |
| PentiumIII700 | 700MHz | 256 KB | 7× | 1.65–1.7 V | Socket 370 | October 25, 1999 | RB80526PY700256 |