NVIDIA GeForce 6800 Ultra vs ATI Xclaim VR
NVIDIA GeForce 6800 Ultra
$499
ATI Xclaim VR
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16 Shaders
512MB GDDR3
400MHz
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2 Shaders
8MB SGRAM
103MHz
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Peak AI Performance
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Peak AI Performance
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCI Card
1.0-Slots
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TDP
81W
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TDP
Unknown
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Power Connectors
1x 6-Pin
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GB6 OpenCL N/A
0%
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GB6 OpenCL N/A
0%
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GB6 Metal N/A
0%
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GB6 Metal N/A
0%
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GB6 Vulkan N/A
0%
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GB6 Vulkan N/A
0%
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GB5 OpenCL N/A
0%
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GB5 OpenCL N/A
0%
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GB5 CUDA N/A
0%
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GB5 CUDA N/A
0%
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GB5 Metal N/A
0%
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GB5 Metal N/A
0%
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GB5 Vulkan N/A
0%
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GB5 Vulkan N/A
0%
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OCT 2020.1 N/A
0%
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OCT 2020.1 N/A
0%
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OCT Metal N/A
0%
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OCT Metal N/A
0%
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Peak AI
Performance
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Peak AI
Performance
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Pixel
Fillrate
6.4 GPixel/s
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Pixel
Fillrate
0.206 GPixel/s
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Vertex Rate
0.6 GVertices/s
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Texture
Fillrate
6.4 GTexel/s
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Texture
Fillrate
0.206 GTexel/s
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Foundry
IBM
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Foundry
TSMC
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Fabrication Node
130nm
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Fabrication Node
250nm
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Die Size
287 mm²
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Die Size
89 mm²
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Transistor Count
222 Million
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Transistor Count
17 Million
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Transistor Density
0.77M/mm²
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Transistor Density
0.19M/mm²
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Form
PCIe Card
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Form
PCI Card
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Shading Units
16 Shaders
6 Vertex Shaders
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Shading Units
2 Shaders
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Texture Mapping Units
16 TMUs
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Texture Mapping Units
2 TMUs
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Render Output Units
16 ROPs
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Render Output Units
2 ROPs
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400MHz
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103MHz
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L1
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Unknown
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L1
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Unknown
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L2
Unknown
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L2
Unknown
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512MB
GDDR3
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8MB
SGRAM
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Bus Width
256Bit
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Bus Width
128Bit
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Clock
525MHz
Transfer Rate
1.1GT/s
Bandwidth
33.6GB/s
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Clock
103MHz
Transfer Rate
103MT/s
Bandwidth
1.6GB/s
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TDP
81W
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TDP
Unknown
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2x DVI-I Dual-Link
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1x VGA
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Max Resolution
2560x1600
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Max Resolution
640x480
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Max Resolution Refresh Rate
60Hz
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
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Variable Refresh Rate
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Display Stream Compression (DSC)
Not Supported
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
2
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Multi Monitor Support
1
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No Encoders
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No Encoders
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No Decoders
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No Decoders
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Direct X
9
Direct 3D
9_3
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Direct X
6
Direct 3D
6.0
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OpenGL
2.1
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OpenGL
1.2
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Shader Model
3.0
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PureVideo HD
VP1
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Power Connectors
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1x 6-Pin
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Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
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Slots Required
1.0
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Multi GPU Support
Supported
Type
4-way SLI
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Height
111 mm (4.37 in)
Width
197 mm (7.76 in)
Depth
37 mm (1.46 in)
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