Alpha
Developer	DEC, Compaq, HP
Manufacturer	DEC, Samsung, Intel, IBM
Type	Microprocessors
Introduction	February, 1992 (announced) November 20, 1992 (launch)
Architecture	Alpha-based performance CPUs
ISA	Alpha
µarch	21064, 21164, 21264, 21364
Word size	64 bit 8 octets 16 nibbles
Process	0.75 μm 750 nm 7.5e-4 mm , 0.675 µm 675 nm 6.75e-4 mm , 0.50 µm 500 nm 5.0e-4 mm , 0.35 µm 350 nm 3.5e-4 mm , 0.25 µm 250 nm 2.5e-4 mm , 0.18 µm 180 nm 1.8e-4 mm , 0.13 µm 130 nm 1.3e-4 mm
Technology	CMOS
Clock	100 MHz-2,000 MHz
Package	PGA-431, PGA-499, PGA-587, PGA-1443

Alpha was a family of 64-bit Alpha-based performance microprocessors designed by DEC and introduced in 1992.

Overview

Introduced in late 1992, Alpha was a family of microprocessors designed for high-end desktops, workstations, and servers. At their introduction, those chips were the world's fastest, though their competitiveness dropped at later iterations (though some attributed this to Alpha's acquisition by Compaq in 1998). Alpha CPUs have gone through a handful of microarchitectures, each improving performance and capabilities.

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