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

| Model_Number | Frequency | L2_Cache | Mult | Voltage | Socket | Release_Date | Part_Numbers |
|---|---|---|---|---|---|---|---|
| PentiumIII800EB | 800MHz | 256 KB | 6× | 1.65–1.75 V | Slot 1 | December 20, 1999 | 80526PZ800256 |
| PentiumIII850 | 850MHz | 256 KB | 8.5× | 1.65–1.75 V | Socket 370 | March 20, 2000 | RB80526PY850256 |
| PentiumIII850 | 850MHz | 256 KB | 8.5× | 1.65–1.75 V | Slot 1 | March 20, 2000 | 80526PY850256 |
| PentiumIII866 | 866MHz | 256 KB | 6.5× | 1.65–1.75 V | Socket 370 | March 20, 2000 | RB80526PZ866256 |
| PentiumIII866 | 866MHz | 256 KB | 6.5× | 1.65–1.75 V | Slot 1 | March 20, 2000 | 80526PZ866256 |
| PentiumIII900 | 900MHz | 256 KB | 9× | 1.7–1.75 V | Socket 370 | October 2000 | RB80526PY900256 |
| PentiumIII933 | 933MHz | 256 KB | 7× | 1.65–1.75 V | Socket 370 | May 24, 2000 | RB80526PZ933256 |
| PentiumIII933 | 933MHz | 256 KB | 7× | 1.65–1.75 V | Slot 1 | May 24, 2000 | 80526PZ933256 |