Radeon HD 6970M Mac vs Radeon HD 6950M

Radeon HD 6970M Mac
Radeon HD 6950M
960 Shaders
1GB GDDR5
680MHz
960 Shaders
1GB GDDR5
580MHz
FP32
1.31 TFLOPS
FP32
1.11 TFLOPS
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Form Factor
MXM-B
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Form Factor
MXM-B
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TDP
75W
TDP
50W
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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
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
TeraScale 2
Architecture
TeraScale 2
Family
Radeon HD 6000
Family
Radeon HD 6000
Codename
Barts
RV940
Variant
Blackcomb XT
Codename
Barts
RV940
Variant
Blackcomb Pro
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/4/2011
Release Date
1/4/2011
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
255 mm²
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Die Size
255 mm²
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Transistor Count
1.7 Billion
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Transistor Count
1.7 Billion
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Transistor Density
6.67M/mm²
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Transistor Density
6.67M/mm²
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Form
MXM-B
Form
MXM-B
Shading Units
960 Shaders
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Shading Units
960 Shaders
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Texture Mapping Units
48 TMUs
Texture Mapping Units
48 TMUs
Render Output Units
32 ROPs
Render Output Units
32 ROPs
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Compute Units
12 CUs
Compute Units
12 CUs
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680MHz
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580MHz
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FP32
1.31 TFLOPS
FP32
1.11 TFLOPS
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Pixel Fillrate
21.76 GPixel/s
Pixel Fillrate
18.56 GPixel/s
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Texture Fillrate
32.64 GTexel/s
Texture Fillrate
27.84 GTexel/s
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L1
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8KB/CU
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L1
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8KB/CU
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L2
512KB Shared
L2
512KB Shared
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1GB
GDDR5
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1GB
GDDR5
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Bus Width
256Bit
Bus Width
256Bit
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
115.2GB/s
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
115.2GB/s
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TDP
75W
TDP
50W
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No Ports
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No Ports
Max Resolution
2560x1600
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
2
Multi Monitor Support
2
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No Encoders
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No Encoders
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Model
UVD 3.0
Model
UVD 3.0
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
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
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
4
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Shader Model
5.0
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GFX
4
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Not a Card
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Not a Card
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PCIe Version
2.1
PCIe Lanes
16
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PCIe Version
2.1
PCIe Lanes
16
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Change Results