Tag Archives: ati

Sapphire Radeon 3870-X2 ATOMIC

Posted on February 12, 2008 by JeGX

Sapphire’s 3870 X2 ATOMIC version will hit US and Europe market next month. This card will have 1Gb of GDDR3 memory, Dual DVI / TVO with Water Cooler. Nice product. You can see two kind of power connectors: 2×3 and … Continue reading →

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GLSL: ATI vs NVIDIA – Part…

Posted on January 18, 2008 by JeGX

While I was releasing the Julia’s Fractal demo, I tested it on NVIDIA and ATI (as usual before releasing a demo). And as usual, a new difference appeared in the way the GLSL is supported on ATI and on NVIDIA. … Continue reading →

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Radeon HD 3870 X2 en Video

Posted on January 14, 2008 by JeGX

Voilà histoire de bosser notre anglais, la Radeon HD 3870 X2 en video…

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Powercolor HD3870 vs HD2900XT vs HD3850 Review

Posted on December 21, 2007 by JeGX

Petit test sympathique des dernieres Radeon. Pourquoi sympathique? Tout simplement parcequ’il utilise le fur benchmark en plus des éternels 3dmark ou jeux vidéos (genre crysis, quake wars). C’est le second test que je trouve qui utilise le fur benchmark et … Continue reading →

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Catalyst 7.9, Radeon 2900 and Surface Deformer

Posted on September 12, 2007 by JeGX

From oZone3D.Net Forums, the Catalyst 7.9 seems to unleash ATI Radeon 2900 GPU. The Surface Deformer benchmark is a benchmark that requires a lot of vertex processing horse power. With Catalyst prior to 7.9, the score of an ATI 2900 … Continue reading →

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Catalyst 7.9 and Radeon 2K Shadow Mapping Bug

Posted on September 12, 2007 by JeGX

I found this bug while I was coding a new small soft shadows demo for GPU Caps Viewer. Soft shadows are built on shadow mapping and my OpenGL shadow mapping code works perfectly on all Geforce 6/7/8 and Radeon 1k … Continue reading →

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GLSL: ATI vs NVIDIA

Posted on May 29, 2007 by JeGX

Today two new differences between Radeon and Geforce GLSL support. 1 – float2 / vec2 vec2 is the GLSL type to hold a 2d vector. vec2 is supported by NVIDIA and ATI. float2 is a 2d vector but for Direct3D … Continue reading →

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Uniform Arrays in GLSL

Posted on August 8, 2006 by JeGX

A new version of the Soft Shadows Benchmark is available but this time using uniform arrays to pass the blurring kernel to the pixel shader. On nVidia boards, there is a little increase of speed (1 or 2 fps). On … Continue reading →

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ATI and Depth Map Filtering

Posted on August 6, 2006 by JeGX

I’ve just found in the super paper of ATI, called “ATI OpenGL Programming and Optimization Guide” that all ATI GPUs from the R300 (Radeon 9700) to the latest R580 (Radeon X1900) only support NEAREST (and the mipmap version) filtering for … Continue reading →

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Depth Map Filtering – ATI vs NVIDIA

Posted on August 6, 2006 by JeGX

Really ATI has some problems with OpenGL. Now I’m working on soft shadows and my tmp devstation has a Radeon X700 (not the top-notch I know but an enough powerful CG). With my X700 (Catalyst 6.6) the soft shadow edges … Continue reading →

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