2x FirePro D300 vs NVIDIA GeForce 6800 Ultra

2x FirePro D300
NVIDIA GeForce 6800 Ultra $499
2x 1280 Shaders
4GB (2x 2GB) GDDR5
850MHz
16 Shaders
512MB GDDR3
400MHz
Peak AI Performance
4.35 TFLOPS
FP32
Peak AI Performance
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FP32
4.35 TFLOPS
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Form Factor
Mac Pro Card
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Form Factor
PCIe Card
2.0-Slots
TDP
300W
TDP
81W
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Power Connectors
1x 6-Pin
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GB6 OpenCL N/A
0%
GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL N/A
0%
GB5 OpenCL N/A
0%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal N/A
0%
GB5 Metal N/A
0%
GB5 Vulkan N/A
0%
GB5 Vulkan N/A
0%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal N/A
0%
OCT Metal N/A
0%
Manufacturer
Apple
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
GCN 1
Architecture
Curie
Family
FirePro D
Family
GeForce 6000
Codename
Pitcairn
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Variant
Pitcairn XT GL
Codename
NV45
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Market Segment
Workstation
Market Segment
Desktop
Release Date
1/18/2014
Release Date
3/14/2005
Foundry
TSMC
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Foundry
IBM
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Fabrication Node
28nm
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Fabrication Node
130nm
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Die Size
2x 212 mm²
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Die Size
287 mm²
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Transistor Count
2x 2.8 Billion
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Transistor Count
222 Million
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Transistor Density
13.21M/mm²
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Transistor Density
0.77M/mm²
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Form
Mac Pro Card
Form
PCIe Card
Shading Units
2x 1280 Shaders
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Shading Units
16 Shaders
6 Vertex Shaders
Texture Mapping Units
2x 80 TMUs
Texture Mapping Units
16 TMUs
Render Output Units
2x 32 ROPs
Render Output Units
16 ROPs
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Compute Units
2x 20 CUs
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850MHz
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400MHz
Peak AI Performance
4.35 TFLOPS
FP32
Peak AI Performance
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FP32
4.35 TFLOPS
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FP64
270 GFLOPS
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Pixel Fillrate
27.2 GPixel/s
Pixel Fillrate
6.4 GPixel/s
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Vertex Rate
0.6 GVertices/s
Texture Fillrate
68 GTexel/s
Texture Fillrate
6.4 GTexel/s
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L1
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16KB/CU
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L1
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Unknown
L2
512KB Shared
L2
Unknown
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4GB (2x 2GB)
GDDR5
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512MB
GDDR3
-
Bus Width
256Bit
Bus Width
256Bit
Clock
1270MHz
Transfer Rate
5.1GT/s
Bandwidth
162.6GB/s
Clock
525MHz
Transfer Rate
1.1GT/s
Bandwidth
33.6GB/s
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TDP
300W
TDP
81W
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No Ports
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2x DVI-I Dual-Link
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Max Resolution
4096x2160
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
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-
Variable Refresh Rate
-
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
2
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Model
VCE 1.0
No Encoders
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Codec
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AVC (H.264)
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Model
UVD 4.0
No Decoders
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Direct X
12
Direct 3D
11_1
Direct X
9
Direct 3D
9_3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
2.1
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Shader Model
6.5
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GFX
6
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Shader Model
3.0
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PureVideo HD
VP1
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Not a Card
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Power Connectors
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1x 6-Pin
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PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way CrossFireX
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)
Change Comparison