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Synchronous Graphics RAM (SGRAM)

A relatively newer RAM technology, Synchronous Graphics RAM or SGRAM tackles the poor performance of regular DRAM by increasing greatly the speed at which memory transfers take place. SGRAM also incorporates specific performance-enhancing features designed to work with acceleration features built into video cards, to greatly improve overall video processing speed. SGRAM is still single-ported, unlike VRAM or WRAM, but offers performance that is much closer to VRAM than DRAM due to its advanced design.

SGRAM is typically used in moderate to high-end cards where performance is important but the very highest resolutions are not required. Matrox Graphics is probably the company best-known for making extensive use of SGRAM.

Next: Multibank DRAM (MDRAM)

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