The Intel X86 Microarchitectures Map Version 3.2
The Intel x86 Microarchitectures Map Version 3.2 8086 (1978, 3 µm) 80386 (1985, 1.5 to 1 µm) P6 (1995, 0.50 to 0.35 μm) Skylake (2015, 14 nm) NetBurst (2000 , 180 to 130 nm) Series: Alternative Names: iAPX 386, 386, i386 Alternative Names: i686 Alternative Names: SKL (Desktop and Mobile), SKX (Server) (Note : all U and Y processors are MCPs) P5 (1993, 0.80 to 0.35 μm) Alternative Names: Pentium 4, Pentium IV, P4 • 16-bit data bus: Series: Series: Pentium Pro (used in desktops and servers) Series: Alternative Names: Pentium, Series: 8086 (iAPX 86) • Desktop/Server: i386DX Variant: Klamath (1997, 0.35 μm) • Desktop: Desktop 6th Generation Core i5 (i5-6xxx, S-H) 80586, 586, i586 • Desktop: Pentium 4 1.x (except those with a suffix, Willamette, 180 nm), Pentium 4 2.0 (Willamette, 180 • 8-bit data bus: • Desktop lower-performance: i386SX Alternative Names: Pentium II, PII • Desktop higher-performance: Desktop 6th Generation Core i7 (i7-6xxx, S-H), Desktop 7th Generation Core i7 X (i7-7xxxX, X), Desktop 7th Series: nm) 8088 (iAPX 88) • Mobile: i386SL, 80376, i386EX, Series: Pentium II 233/266/300 steppings C0 and C1 (Klamath, used in desktops) Generation Core i9 X (i7-7xxxXE, i7-7xxxX, X), Desktop 9th Generation Core i7 X (i7-9xxxX, X, 14 nm++?), Desktop 9th Generation Core i9 X • Desktop/Server: P5, P54C • Desktop higher-performance: Pentium 4 1.xA (Northwood, 130 nm), Pentium 4 2.x (except 2.0, 2.40A, i386CXSA, i386SXSA, i386CXSB New instructions: Deschutes (1998, 0.25 to 0.18 μm) (i7-9xxxXE, i7-9xxxX, X, 14 nm++?), Xeon W-3175X (W, 14 nm++?)
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