Introduction
Although PCI-Express has hit the market it has not taken over AGP, at least in my opinion. Because of that there is still plenty of room for companies to fight for the best AGP card on the market. Nvidia and ATi are always racing to be the first on the market with the fastest and best video card. There has been such a huge improvement in technology over the past year and today video cards are faster than we ever imagined. Today we look at ATi's Radeon X800 Pro.
There are four models of X800 in this line of video cards, the Pro, XL, XT, and XT Platinum. Below is a table showing the core and memory clock rate for comparison. The top of the line XT Platinum has memory that runs 125MHz faster than the Pro and a core that is 45MHz faster. In terms of overclocking the 520MHz should be possible to obtain with the Pro but a 125MHz overclock would take some aftermarket cooling I would guess and possibly a voltage mod. Below the comparison table are the specifications for this video card.
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Product Name |
X800 PRO
|
X800 XL
|
X800 XT
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X800 XT PLATINUM EDITION
|
|
Memory Clock Speed (MHz) |
450
|
490
|
500
|
575
|
|
Engine Clock Speed (MHz) |
475
|
400
|
500
|
520
|
- RADEON X800 Specifications
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160 million transistors on 0.13 micron low-k fabrication process
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Up to sixteen extreme parallel pixel pipelines
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Six programmable vertex shader pipelines
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256-bit quad-channel GDDR3 memory interface
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AGP 8X support or PCI Express support
- Memory Configuration:
-
-
256MB GDDR3 memory
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256-bit memory interface
- Operating System Support:
-
-
Windows® XP (Home or Pro)
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Windows® 2000 with Service Pack 1 (or later)
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Windows® Media Center Edition
- Warranty:
-
- Display Support:
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VGA connector for analog CRT
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DVI-I connector for digital CRT or flat panel
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S-video or composite connector for TV/VCR
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YPbPr connection to HDTV
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Drive two displays simultaneously with independent resolutions and refresh rates
- SMARTSHADER HD
-
-
Support for Microsoft® DirectX® 9.0 programmable vertex and pixel shaders in hardware
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DirectX® 9.0 Vertex Shaders
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Vertex programs up to 65,280 instructions with flow control
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Single cycle trigonometric operations (SIN & COS)
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DirectX® 9.0 Extended Pixel Shaders
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Up to 1,536 instructions and 16textures per rendering pass
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2nd generation F-buffer technology accelerates multi-pass pixel shader programs with
unlimited instructions
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32 temporary and constant registers
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Facing register for two-sided lighting
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128-bit, 64-bit & 32-bit per pixel floating point color formats
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Multiple Render Target (MRT) support
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Complete feature set also supported in OpenGL® via extensions
- SMOOTHVISION HD
-
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2x/4x/6x Anti-Aliasing modes
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Sparse multi-sample algorithm with gamma correction, programmable sample patterns,
and centroid sampling
-
Lossless Color Compression (up to6:1)at all resolutions, including widescreen HDTV
resolutions
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Temporal Anti-Aliasing
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2x/4x/8x/16x Anisotropic Filtering modes
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Up to 128-tap texture filtering
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Adaptive algorithm with bilinear (performance) and trilinear (quality) options
- 3Dc
-
-
High quality 4:1 Normal Map Compression
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Works with any two-channel data format
- HYPER Z HD
-
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3-level Hierarchical Z-Buffer with Early Z Test
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Lossless Z-Buffer Compression (up to 48:1)
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Fast Z-Buffer Clear
-
Z Cache optimized for real-time shadow rendering
-
Optimized for performance at high display resolutions, including widescreen HDTV resolutions
- VIDEOSHADER HD
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Seamless integration of pixel shaders with video in real time
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FULLSTREAM video de-blocking technology for Real, DivX, and WMV9 formats
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VIDEOSOAP noise removal filtering for captured video
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MPEG1/2/4 decode and encode acceleration
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DXVA Support
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Hardware Motion Compensation, iDCT, DCT and color space conversion
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All-format DTV/HDTV decoding
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YPrPb component output for direct drive of HDTV displays†
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Adaptive Per-Pixel De-Interlacing and Frame Rate Conversion (temporal filtering)
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Dual integrated display controllers
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Dual integrated 10 bit per channel 400 MHz DACs Integrated 165 MHz TMDS transmitter
(DVI 1.0 / HDMI compliant and HDCP ready)
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Integrated TV Output support up to 1024x768 resolution
-
Windows® Logo Program compliant
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CATALYST™ Software
Suite
Continued on next page...
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