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It was a bit more powerful than its predecessor, having one more Hitachi SH-4 CPU and another PowerVR 2 GPU. Sammy's Atomiswave arcade board was also based on the Dreamcast and NAOMI.Ī few years later, a successor of the NAOMI board was released in 2001, called NAOMI 2. In the same year of Dreamcast's launch, SEGA released the NAOMI, an arcade system board with similar components to the Dreamcast. Even in major emulators, this aspect isn't implemented well. However, Windows CE wasn't mandatory to use, and most developers opted for SEGA's development tools instead out of convenience. What came out of this was the possibility for games to be developed for an optimized version of Windows CE (with DirectX) on each disc. The audio chip could generate 64 voices with PCM or ADPCM codec and provided ten times the performance of the Saturn's sound system.Īlso, Microsoft collaborated on the Dreamcast's development, and this partnership would continue later with the Xbox. The audio system had 2 MBs of audio RAM, which complemented a powerful 67 MHz Yamaha AICA sound processor with a 32-bit ARM7 RISC CPU core. Additionally, on the graphic side, the console came with a PowerVR2 GPU at 100 MHz, which theoretically was capable of pushing 3 million polygons/second on-screen. To go more in-depth, it had a Hitachi SH-4 RISC CPU at 200 MHz with 16 MBs of RAM and 8 MBs of VRAM. The Sega Dreamcast is a sixth-generation console released by Sega on November 27, 1998, in Japan and later on September 9, 1999, in NA. For other emulators that run on Dreamcast hardware, see Emulators on Dreamcast.