x64

x64

(X86-based 64-bit) The current computer architecture from Intel and AMD. Also called "x86-64," modern x86-based laptop and desktop computers have 64-bit CPUs rather than 32 bits. The x64 generally refers to the hardware, not the operating system. See 64-bit computing.

Intel 64 and AMD64
The official designations of 64-bit chips from Intel and AMD are Intel 64 and AMD64 respectively. See Intel 64, AMD64, x64 Edition and x86.
References in periodicals archive ?
The new Windows Server 2003 X64 Editions and Windows XP Professional X64 Edition will allow users the option of running both 32-bit and 64-bit applications on the same system.
Worldwide Computer Products News-26 April 2005-New X64 operating systems offered support by Symantec(C)1995-2005 M2 COMMUNICATIONS LTD http://www.
Lot 1:: Tendering a basket for the supply and maintenance of hardware and X64 server for necessary infrastructure and connectivity components for a period of 36 Monaten.
TELECOMWORLDWIRE-26 April 2005-New X64 operating systems offered support by Symantec(C)1994-2005 M2 COMMUNICATIONS LTD http://www.