3DNow!

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3DNow!

(architecture)
A floating point SIMD extention from AMD.

3DNow!

A technology developed for the K6-2 series of microprocessors from AMD to speed up floating point operations used in graphics-intensive applications. It provides a performance boost that enables more realistic rendering of 3D graphics, as well as faster multimedia playback. The technology is a combination of execution units and new instructions within the microprocessor. See K6.
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Think of buzz words like MMX, 3DNow!, SSE, SSE2 etc.
The Sempron also incorporates the 3DNow! feature which enhance games and graphics, and PowerNow!
The AMD Athlon XP processor features QuantiSpeed architecture and support for AMD's 3DNow! Professional instructions for enhanced multimedia capabilities.
The new processor features a 400MHz front side bus, QuantiSpeed architecture and support for 3DNow! Professional as well as 384KB or 640KB on-chip, full-speed cache.
With an AMD 1.1 GHz Duron processor that has 3Dnow, the computer also features 128 MB of SDRAM memory that is expandable to 1 GB, a 10 GB hard drive, 52X CDROM drive, 2 USB ports, game serial audio and parallel ports, stereo speakers, mouse, and keyboard.
DirectDVD works with a variety of MMX, SSE, or 3DNOW! enabled CPUs, accelerated graphics controllers, and DVD drives.
The AMD Athlon MP processors, featuring QuantiSpeed architecture, Smart MP technology and 3DNow! technology, are designed to provide the performance and reliability necessary for the execution of multi-threaded and mission-critical applications.
The AMD Athlon XP processor provides for outstanding near real-time voice, video, and CAD/CAM as a result of features like larger cache memory, 3DNow! Professional technology, and the innovative Quanti-Speed architecture which includes the industry's most powerful fully pipelined x86 floating point engine." (From the AMD Athlon XP Processor Product Brief at http://www.amd.com/us-en/Processors/ Productinformation/0,,30_1 18_756_3734^3736,00.html.)
All Fire GL professional graphics accelerators are fully optimized for Intel's Streaming SIMD Extensions (SSE) and AMD Athlon(TM) processor-based systems with 3DNow!(TM) technology.
For less than $200 you can upgrade a 75Mhz Pentium-compatible PC to a 233 MHz Intel Pentium processor comprising MMX and 3DNow! multimedia with Evergreen's Spectra 233, Kingston's TurboChip 233 or PowerLeap's PL ProMMX-233.
Both versions of the K6-2E have AMD's 3Dnow! and Intel's MMX graphics extensions.