Radeon HD 6950 vs Radeon HD 5870 Mac

Radeon HD 6950
Radeon HD 5870 Mac
1408 Shaders
2GB GDDR5
800MHz
1600 Shaders
1GB GDDR5
850MHz
FP32
2.25 TFLOPS
FP32
2.72 TFLOPS
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-
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
200W
TDP
188W
Power Connectors
2x 6-Pin
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-
-
Power Connectors
2x 6-Pin
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-
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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
AMD
Manufacturer
ATI
Chip Designer
AMD
Chip Designer
ATI
Architecture
TeraScale 3
Architecture
TeraScale 2
Family
Radeon HD 6000
Family
Radeon HD 5000
Codename
Cayman
RV970
Variant
Cayman Pro
Codename
Cypress
RV870
Variant
Cypress XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
12/15/2010
Release Date
9/23/2009
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
40nm
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Die Size
389 mm²
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Die Size
334 mm²
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Transistor Count
2.6 Billion
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Transistor Count
2.2 Billion
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Transistor Density
6.79M/mm²
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Transistor Density
6.45M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
1408 Shaders
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Shading Units
1600 Shaders
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Texture Mapping Units
88 TMUs
Texture Mapping Units
80 TMUs
Render Output Units
32 ROPs
Render Output Units
32 ROPs
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Compute Units
22 CUs
Compute Units
20 CUs
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800MHz
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850MHz
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FP32
2.25 TFLOPS
FP32
2.72 TFLOPS
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FP64
0.56 TFLOPS
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FP64
0.54 TFLOPS
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Pixel Fillrate
25.6 GPixel/s
Pixel Fillrate
27.2 GPixel/s
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Texture Fillrate
70.4 GTexel/s
Texture Fillrate
68 GTexel/s
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L1
-
-
8KB/CU
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L1
-
-
8KB/CU
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L2
512KB Shared
L2
512KB Shared
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2GB
GDDR5
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1GB
GDDR5
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Bus Width
256Bit
Bus Width
256Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
160GB/s
Clock
1195MHz
Transfer Rate
4.8GT/s
Bandwidth
153GB/s
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TDP
200W
TDP
188W
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2x DVI-I Dual-Link
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2x mini-DisplayPort 1.1
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1x HDMI 1.3
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1x DVI-I Dual-Link
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2x mini-DisplayPort 1.1
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Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
-
-
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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No Encoders
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No Encoders
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Model
UVD 3.1
Model
UVD 2.2
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Codec
-
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VC-1
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AVC (H.264)
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Direct X
11
Direct 3D
11_0
Direct X
11
Direct 3D
11_0
OpenGL
4.5
OpenCL
1.2
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OpenGL
4.5
OpenCL
1.2
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Shader Model
5.0
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GFX
5
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Shader Model
5.0
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GFX
4
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1x Fan
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1x Fan
Power Connectors
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2x 6-Pin
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Power Connectors
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2x 6-Pin
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Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
Multi GPU Support
Supported
Type
4-way CrossFireX
Multi GPU Support
Supported
Type
4-way CrossFireX
Height
126 mm (4.96 in)
Width
286 mm (11.26 in)
Depth
42 mm (1.65 in)
Height
111 mm (4.37 in)
Width
280 mm (11.02 in)
Depth
37 mm (1.46 in)
Change Results