page_title: Radeon X1000 series
section_title: X1300–X1550 series
hierarchical_section_title: Radeon X1000 series / Variants / X1300–X1550 series
caption_attribution_description: English: ATI Radeon X1300 256MB. Heatsink removed
context_page_description: The R520 is a Graphics processing unit developed by ATI Technologies and produced by TSMC. It was the first GPU produced using a 90 nm photolithography process.
  The R520 is the foundation for a line of DirectX 9.0c and OpenGL 2.0 3D accelerator X1000 video cards. It is ATI's first major architectural overhaul since the R300 and is highly optimized for Shader Model 3.0. The Radeon X1000 series using the core was introduced on October 5, 2005, and competed primarily against nVidia's GeForce 7000 series. ATI released the successor to the R500 series with the R600 series on May 14, 2007.
  ATI does not provide official support for any X1000 series cards for Windows 8 or Windows 10; the last AMD Catalyst for this generation are the 10.2 from 2010 up to Windows 7. However, AMD stopped providing drivers for Windows 7 for this series in 2015.
  Using a Linux distribution a series of open source Radeon drivers are available.
  The same GPUs are also found in some AMD FireMV products targeting multi-monitor set-ups.
context_section_description: This series is the budget solution of the X1000 series and is based on the RV515 core. The chips have 4 texture units, 4 ROPs, 4 pixel shaders, and 2 vertex shaders, similar to the older X300 – X600 cards. These chips basically use 1 "quad" (referring to 4 pipelines) of a R520, whereas the faster boards use just more of these "quads". For example, the X1800 uses 4 "quads". This modular design allows ATI to build a "top to bottom" line-up using identical technology, saving research and development time and money. Because of its smaller design, these cards also offer lower power demands (30 watts), so they run cooler and can be used in smaller cases.
  Eventually, ATI created the X1550, little more than an X1300 in disguise, and discontinued the X1300. The X1050 was based on the R300 core and was sold as an ultra-low-budget part.
  Early Mobility Radeon X1300 to X1450 are based around the RV515 core as well.
  Beginning in 2006, Radeon X1300 and X1550 products were shifted to the RV505 core, which had similar capabilities and features as the previous RV515 core, but was manufactured by TSMC using an 80 nm process (reduced from the 90 nm process of the RV515).
caption: X1300 with GPU RV515 (heat sink removed)
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