The X-Fi, at its release, offered some of the most powerful mixing capabilities available, and made it a powerful entry-level card for home musicians. X-Fi models that support "Gaming" mode use EAX 5.0, which supports up to 128 3D-positioned voices with up to four effects applied to each. The Xtreme Audio model lacks the EMU20K1 chip and thus only supports the "Entertainment" mode via software emulation, while all other models support all three modes. With the X-Fi's "Active Modal Architecture" (AMA), the user can choose one of three optimization modes (Gaming, Entertainment, and Creation), each of which enables a different combination of the features of the chipset. It is interesting to note that the processor’s computational power is optimized for the work mode selected in the software. its performance, is estimated as 10,000 MIPS (million instructions per second), which is actually about 24 times higher than the estimated performance of its predecessor-the Audigy processor. The computational power of this processor, i.e. The 130 nm EMU20K1 audio chip operates at 400 MHz and has 51 million transistors.
Creative also released an external solution (named x-mod) in November 2006 which is listed in the same category as the rest of the X-Fi lineup, but is only a stereo device, and lacks the specifications of the internal offerings.
It is not marketed as supporting gaming or EAX. The 'XtremeGamer Fatal1ty Pro' is a mainstream gaming model which is identical to the high-end gaming Fatal1ty FPS but lacks the additional I/O box and remote control accessories the 'XtremeGamer' is a model optimized for gaming which lacks the I/O extensibility of the higher end X-Fi models the 'Xtreme Audio', despite the "X-Fi" label, is the only product in the X-Fi line not using the EMU20K1 chip ( CA20K1) but an older chip similar to the Audigy SE and SB Live! cards ( CA0106-WBTLF) and thus lacks the hardware acceleration of 3D sound and EAX sound effects, gaming and content creation features and the I/O extensibility of all the other X-Fi models. Three additional models were added in October 2006 the X-Fi 'XtremeGamer', X-Fi 'Xtreme Audio' and the X-Fi 'XtremeGamer Fatal1ty Pro'. The X-Fi (for "Extreme Fidelity") was released in August 2005 and was initially released in XtremeMusic, Platinum, Fatal1ty FPS, and Elite Pro configurations.
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