| First Generation Pentium Class | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Make & Model | Ext Speed | Int Speed | Multiplier | L1 Cache | L2 Cache | Package | Socket | Note | |
| Early Pentiums | 50 - 66MHz | 60 - 200MHz | 1 - 3 x | 16kb | -- | PGA | 4 & 5 | -- | AMDK5s | 50 - 75MHz | 60 - 150MHz | 1.5 - 2x | 16kb | -- | PGA | 7 | PentiumPro | 60 - 66MHz | 166 - 200MHz | 2.5 - 3x | 16kb | 256kb - 1mb | PGA | 8 | Expensive | Later Pentiums | 66 - 75MHz | 166 - 200MHz | 2.5 - 4.5x | 32kb | -- | PGA | 7 |
| 2nd Generation Pentiums - From Now On Require Separate Motherboards | Pentium II | 66 - 100MHz | 233 - 450MHz | 3.5x - 4.5x | 32kb | 512kb | SEC | Slot 1 | First Slot CPU | AMD K6 | 66 - 100MHz | 200 - 550MHz | 3x - 5.5x | 32 - 64kb | 0 - 256kb | PGA | Socket 7 | Celeron PII | 66MHz | 266 - 700MHz | 4x - 10.5x | 32kb | 0 - 128kb | SEP & PGA | Slot 1 & Socket 370 | Cheaper | 3rd Generation Pentium | PIII | 100 - 133MHz | 450MHz - 1.26Ghz | 4x - 10x | 32kb | 256kb - 512kb | SEC2 & PGA | Slot 1 & Socket 370 | Celeron PIII | 66 - 100Mhz | 533MHz - 700MHz | 8x - 11.5x | 32k | 128kb | PGA | 370 | Cheaper | AMD Athlon | 100MHz | 550MHz - 1Ghz | 5x-10x | 128kb | 512kb | SEC | Slot A | First AMD Slot | AMD Thunderbird | 100 - 133MHz | 650MHz - 1.4Ghz | 6.5x - 14x | 128kb | 256kb | PGA | Socket A | Double Pumped | AMD Duron | 100MHz | 600Mhz - 1.8Ghz | 6 - 13.5x | 128k | 64kb | PGA | Socket A | Cheaper, Double Pumped | 4th Generation Pentium | Watts |
| P4 | 100 - 200MHz | 1.3Ghz - 2Ghz | 13x - 20x | 128kb | 256kb | PGA & LGA | 423 & 478 | Quad Pumped | 49 - 100 | AMD Athlon XP | 133 - 166 | 1.3GHz - 2.2GHz | 13x - 16x | 128kb | 256kb | PGA | Socket A | Double Pumped | 49 - 72 |
| Intel Xeon: Expensive Server brand, ranges from the PII to P4 processors, and specifically designed to work in pairs for multi processor systems. | |||||||||
| 64-bit Processors | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Make & Model | Ext Speed | Int Speed | Multiplier | L1 Cache | L2 Cache | Package | Socket | Physical Address | Frontside Bus | Watts | |
| Intel Itanium 2 | 100MHz | 1GHz | 9x - 10x | 32kb | 256kb | OLGA | 611 | 50bits | 128bit | 90 - 100 | |
| AMD Opteron | 6.4GHz | 1.4 - 1.8GHz | 14 - 20x | 128kb | 1mb | microPGA | 940 | 40 bits | 128bit | 82 - 103 | |
| AMD Athlon 64 | 200Mhz | 1.2 - 2.8GHz | 9 - 20x | 128kb | 512kb - 1mb | microPGA | 940 - 939 | 40 bits | -- | 89 - 67 | AMD Semperon | 200MHz | 1.6 - 2Ghz | 8 - 10x | 128 | 128-256kb | microPGA | 754 - AM2 | 40 bits | -- | 35 - 62 |
| Multi Core Processors | Note | ||||||||||
| Intel Pentium D | 166 - 200MHz | 2.6 - 3.6GHz | 14 - 20x | two 128kb | two 1-2Mb | LGA | 775 | 95 - 130 | uses AMD64 exts, allows 32 or 64bit modes. | ||
| AMD Athlon 64X2 | 200MHz | 2.0 - 2.4GHz | 10 - 12x | 128 | two 512kb - 1mb | microPGA | 939 - AM2 | 40bits | 89 - 110 | first true separate core, share L1 cache. | |
| Intel Core | 133 - 166MHz | 1.06 - 2.33GHz | 8 - 14x | two 32kb | 2048kb | microFCPGA | 478pin FCPGA | Quad pumped | 5.5 - 31 | ||
| Intel Core2 | 266 Mhz | 1.8 - 3.2GHz | 7 - 12x | two 64k | 2048 - 4096kb | LGA | LGA 775 | Quad Pumped | 45 - 95 | ||