ATI Stream Processor vs NVIDIA Tesla C870
ATI Stream Processor
NVIDIA Tesla C870
$1,499
|
240 Shaders
1GB GDDR3
600MHz
|
128 Shaders
2GB GDDR3
600MHz
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Peak Performance
0.29 TFLOPS
FP32
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Peak Performance
0.37 TOPS
INT32
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FP32
0.29 TFLOPS
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FP32
0.37 TFLOPS
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-
-
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-
-
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
2.0-Slots
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TDP
165W
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TDP
171W
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Power Connectors
1x 6-Pin
-
-
-
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Power Connectors
2x 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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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
90nm
-
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Fabrication Node
90nm
-
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Die Size
352 mm²
-
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Die Size
484 mm²
-
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Transistor Count
384 Million
-
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Transistor Count
681 Million
-
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Transistor Density
1.09M/mm²
-
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Transistor Density
1.41M/mm²
-
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Form
PCIe Card
|
Form
PCIe Card
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Shading Units
240 Shaders
-
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Shading Units
128 Shaders
-
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Texture Mapping Units
-
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Texture Mapping Units
32 TMUs
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Render Output Units
-
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Render Output Units
24 ROPs
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-
-
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-
-
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-
-
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-
-
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-
-
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Streaming Multiprocessors
16 SMs
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Compute Units
6 CUs
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-
-
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-
-
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-
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-
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-
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-
-
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600MHz
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1440MHz Shader
-
600MHz
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Peak Performance
0.29 TFLOPS
FP32
|
Peak Performance
0.37 TOPS
INT32
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-
-
-
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-
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-
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-
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-
-
-
-
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-
-
-
-
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FP32
0.29 TFLOPS
-
-
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FP32
0.37 TFLOPS
-
-
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-
-
-
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-
-
-
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-
-
-
-
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-
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-
-
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INT32
0.37 TOPS
|
|
-
-
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-
-
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Pixel Fillrate
-
|
Pixel Fillrate
14.4 GPixel/s
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-
-
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-
-
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Texture Fillrate
-
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Texture Fillrate
19.2 GTexel/s
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-
-
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-
-
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L1
-
-
-
Unknown
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L1
-
-
-
Unknown
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L2
Unknown
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L2
96KB Shared
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-
-
-
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-
-
-
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1GB
GDDR3
-
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2GB
GDDR3
-
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Bus Width
256Bit
|
Bus Width
384Bit
|
|
Clock
1300MHz
Transfer Rate
2.6GT/s
Bandwidth
83.2GB/s
|
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
76.8GB/s
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-
-
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-
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-
-
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-
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-
-
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TDP
165W
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TDP
171W
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-
-
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-
-
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-
1x S-Video
-
-
-
-
-
-
2x DVI-I Dual-Link
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No Ports
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Max Resolution
2560x1600
|
Max Resolution
Unknown
|
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Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
-
|
|
Variable Refresh Rate
-
-
-
|
Variable Refresh Rate
-
-
-
|
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Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
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Multi Monitor Support
2
|
Multi Monitor Support
Unknown
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-
-
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-
-
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No Encoders
-
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No Encoders
-
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-
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No Decoders
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No Decoders
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-
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Direct X
9
Direct 3D
9_3
|
Direct X
11
Direct 3D
10_0
|
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OpenGL
2.1
-
-
-
-
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OpenGL
3.3
OpenCL
1.1
-
-
|
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Shader Model
3.0
-
-
GFX
2
-
-
-
-
|
Shader Model
4.0
CUDA
1.0
-
-
PureVideo HD
VP1
-
-
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-
-
-
1x Fan
|
-
-
-
1x Fan
|
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Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
Power Connectors
-
-
2x 6-Pin
-
-
-
-
|
|
Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
-
-
|
-
-
-
-
|
|
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
37 mm (1.46 in)
|
Height
111 mm (4.37 in)
Width
312 mm (12.28 in)
Depth
38 mm (1.5 in)
|
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