Attribute | Intel 486 | Pentium I (Socket 7) | Pentium II | Pentium III | AMD Alternatives | Cyrix Alternatives | Pentium 4 | Core Duo | Core 2 Duo |
---|
Board Socket Type | Socket 1, 2, 3 | Socket 7 | Slot 1 | Slot 1, Socket 370 | Socket 7, Slot A, Socket A | Socket 7 | Socket 423, 478, LGA 775 | Socket M, P, LGA 775 | LGA 775, Socket P |
Max Memory | Up to 128MB | Up to 256MB | Up to 1GB | Up to 1.5GB | Up to 1.5GB | Up to 256MB | Up to 4GB | Up to 4GB (depends on chipset) | Up to 8GB (depends on chipset) |
Max Hard Drive | IDE up to 504MB | IDE, SCSI | IDE, SCSI | IDE, SCSI, SATA | IDE, SCSI, SATA | IDE, SCSI | IDE, SATA | SATA | SATA |
HD Interface Types | IDE | IDE, SCSI | IDE, SCSI | IDE, SCSI, SATA | IDE, SCSI, SATA | IDE, SCSI | IDE, SATA | SATA | SATA |
USB Support | No | No | Yes | Yes | Yes | No | Yes | Yes | Yes |
Supported OS | DOS, Windows 3.x, Windows 95 | DOS, Windows 3.x, Windows 95/98, NT | Windows 95/98, NT, 2000 | Windows 98, NT, 2000, XP | DOS, Windows 3.x, 95/98, NT, Linux | DOS, Windows 3.x, 95/98, NT | Windows 98, ME, 2000, XP, Vista | Windows XP, Vista, 7, Linux | Windows XP, Vista, 7, Linux |
Clock Speed Range | 25-100 MHz | 75-233 MHz | 233-450 MHz | 450 MHz-1.4 GHz | 90 MHz-1 GHz (K6-III+) | 100-333 MHz (6x86MX) | 1.3-3.8 GHz | 1.06-2.33 GHz | 1.8-3.16 GHz |
L2 Cache Size | None | 256KB-512KB (off-chip) | 512KB (off-chip) | 256KB-2MB (on-die for later models) | 64KB-1MB (off-chip or on-die) | 64KB-256KB (off-chip) | 256KB-2MB | 2MB-4MB shared | 2MB-6MB shared |
Manufacturing Process | 1000-800 nm | 800-250 nm | 350-250 nm | 250-180 nm | 350-180 nm | 350-250 nm | 180-65 nm | 65 nm | 65 nm |
Instruction Set Enhancements | None | MMX (for MMX models) | MMX | MMX, SSE | MMX, 3DNow! (for some models) | MMX (for some models) | SSE2, SSE3 (later models) | SSE, SSE2, SSE3 | SSE, SSE2, SSE3, SSE4 (some models) |
Power Consumption (TDP) | ~4-15W | ~15-30W | ~20-43W | ~25-29.9W | ~15-45W | ~13.8-23.5W | ~20-115W | 9-40W | 10-65W |
Integrated Graphics | No | No | No | No | No | No | No | No | No (some later models may integrate) |
Expansion Slot Types | ISA, VLB | ISA, PCI, VLB | PCI, AGP | PCI, AGP | ISA, PCI, AGP | ISA, PCI, VLB | AGP, PCI, PCIe | PCI, PCIe | PCI, PCIe |
Chipset Features | Basic support | Enhanced support for faster memory and I/O | AGP support, improved memory management | AGP 4x, improved I/O | Similar to Intel counterparts | Basic to enhanced support | Enhanced memory support, Hyper-Threading | Improved power management, Dual-core | Improved power management, Dual-core, Enhanced virtualization |
FSB Speed | 16-33 MHz | 60-66 MHz | 66-100 MHz | 100-133 MHz | 66-100 MHz | 60-75 MHz | 400-1066 MHz | 533-667 MHz | 800-1600 MHz |
Multi-Core Support | No | No | No | No | No | No | No (Hyper-Threading in some models) | Yes | Yes |
Virtualization Support | No | No | No | No | No | No | Yes (in later models) | Yes | Yes |
Price at Launch | $150-$500 | $300-$600 | $600-$1000 | $700-$1000 | $100-$850 | $100-$300 | $150-$850 | $200-$637 | $100-$530 |
Release Date | 1989-1992 | 1993-1999 | 1997-1999 | 1999-2001 | 1996-2000 | 1995-1998 | 2000-2008 | 2006 | 2006-2008 |
End of Life/Support | Mid-1990s | Late 1990s | Early 2000s | Mid-2000s | Early 2000s | Late 1990s | Late 2000s | Late 2000s | Late 2000s/Early 2010s |