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Review: NVIDIA's GeForce 6800 Ultra GPU

by Ryszard Sommefeldt on 14 April 2004, 00:00

Tags: NVIDIA (NASDAQ:NVDA)

Quick Link: HEXUS.net/qaxl

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Texture Filtering Image Quality - 2X, 4X

2X anisotropic filtering

FilterTest - Quality - 2X Aniso
FilterTest - Quality - 2X Aniso - Click for full size .png (~1MB)

FilterTest - Performance - 2X Aniso
FilterTest - Performance - 2X Aniso - Click for full size .png (~1MB)

Serious Sam - Quality - 2X Aniso
Serious Sam - Quality - 2X Aniso - Click for full size .png (~2.37MB)

Serious Sam - Performance - 2X Aniso
Serious Sam - Performance - 2X Aniso - Click for full size .png (~2.37MB)

Serious Sam - Comparison - 4X Aniso
Serious Sam - Comparison - 2X Aniso

The full trilinear filter is still evident (use the full FilterTest images to confirm) and with the initial AF setting enabled, the filtering differences between Quality and Performance modes are more apparent.

4X anisotropic filtering

FilterTest - Quality - 4X Aniso
FilterTest - Quality - 4X Aniso - Click for full size .png (~1MB)

FilterTest - Performance - 4X Aniso
FilterTest - Performance - 4X Aniso - Click for full size .png (~1MB)

Serious Sam - Quality - 4X Aniso
Serious Sam - Quality - 4X Aniso - Click for full size .png (~2.37MB)

Serious Sam - Performance - 4X Aniso
Serious Sam - Performance - 4X Aniso - Click for full size .png (~2.37MB)

Serious Sam - Comparison - 4X Aniso
Serious Sam - Comparison - 4X Aniso

Much the same as with 2X AF, however the filtering differences between texture stages are more apparent, comparing Performance to Quality. The comparison image shows the absolute difference.