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Processors
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Processors

Processor Celeron Celeron Celeron Pentium II Pentium II Xeon Pentium III Pentium III Pentium III Xeon Pentium 4 Itanium
Project name Covington Mendocino Mendocino 2 Deschutes Deschutes Katmai Coppermine Tanner Willamette Merced
Interface Slot 1 Slot 1 PPGA 370 Slot 1 Slot 2 Slot 1 Slot 1, FC-PGA Slot 2 FC-PGA (Slot M) MCM
Core speed 266, 300 300, 333 300A - 500 350, 400, 450 400, 450 450 - 700 533 - ? 500 - ? 1.4G - ? 800 - ?
Front side
bus speed
66 66 66 100 100 100, 133 100, 133 100, 133 400 200
Back side
bus speed1
1/2 1/1 1/1 1/2 1/1 1/2 1/1 1/1 1/1 1/1
Cache (KB,
L0/L1/L2)
-/32/0 -/32/128 -/32/128 -/32/512 -/32/512 - 2048 -/32/512 -/32/256 -/32/1M-2M -/?/? ?/?/?
Chip set 440EX, 440BX, 440LX 440EX, 440BX, 440LX 440EX, 440BX, 440LX 440BX, 440GX 440GX, 450NX 440JX, 440BX 440BX, i810E, i820, i820E 440GX, 450NX, i840, Profusion   460GX?
Power         24 - 28W            
Decoders,
Int, FP units
3, 2, 1 3, 2, 1 3, 2, 1 3, 2, 1 3, 2, 1 3, 2, 1 3, 2, 1 3,2,1 4?, ?, 3? ?, ?, 4?
Die size
(mils/side)
450     450 450          
Line width (um) 0.25 0.18 0.18 0.25 0.25 0.25 0.18 0.18 0.18 0.18
Other     SSE     SSE SSE SSE SSE IA-64

1) Relative to core speed.

Chipsets

Chipset 440LX 440BX 440EX 450NX 440GX 450GX i810, E i815, E i820, E i840
Bus speed 60, 66 60, 66, 100 60, 66 60, 66, 100 60, 66, 100 60, 66 66, 100, 133(E) 66, 100, 133 133 133
PCI Con. 2.1 Con. 2.1 Con. 2.1 Con. 2.1 Con. 2.1 2.0 Con. 2.2 Con. 2.2 Con. 2.2 Con. 2.2
AGP 2x 2x 1x - - - 4x 4x 4x 4x
IDE BM, PIIX4, ATA33 BM, PIIX4E, ATA33 BM, PIIX4, ATA33 BM, PIIX4E, ATA33 BM, PIIX4E, ATA33 N/A ATA33, ATA66 (ICH) ATA66, ATA100 (E) ATA66, ATA100 (E) ATA66
RAM size 1GB (EDO),
512MB (SD)
1GB 256MB 8GB 2GB 8GB 512MB 512MB 1GB 4GB
RAM type EDO (8222),
SDRAM (8111),
ECC
EDO,
SDRAM (x1111),
ECC
EDO,
SDRAM
EDO,
SDRAM (x111),
ECC
EDO,
SDRAM (x111),
ECC
FPM, ECC (8111) PC100,  SDRAM PC100, PC133 SDRAM PC600, PC700, PC800 RDRAM PC600, PC800
2x RDRAM
RAM interleave non non non 4-way, 2-way, non non 4-way, 2-way, non non non non non
Processors 2 2 1 2-4 2-4 2 1 1 1-2 2
Power mgmt SMM, ACPI SMM, ACPI SMM, ACPI - SMM, ACPI SMM SMM, ACPI SMM, ACPI SMM, ACPI SMM, ACPI
Other             AC97, AMR, i752 Graphics AC97, AMR, i754 Graphics AC97,
2 USB
 

Copyright Kenneth Ekman. Modified 2000-07-03. You are visitor number