Radeon HD 6850M vs Radeon HD 6770M Mac
Radeon HD 6850M
Radeon HD 6770M Mac
|
800 Shaders
1GB GDDR5
575MHz
|
480 Shaders
1GB GDDR5
675MHz
|
|
FP32
0.92 TFLOPS
|
FP32
0.65 TFLOPS
|
|
-
-
|
-
-
|
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Form Factor
Soldered
-
|
Form Factor
Soldered
-
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TDP
39W
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TDP
35W
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|
-
-
-
-
-
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-
-
-
-
-
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GB5 OpenCL - N/A
0%
|
GB5 OpenCL - N/A
0%
|
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GB5 CUDA - N/A
0%
|
GB5 CUDA - N/A
0%
|
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GB5 Metal - N/A
0%
|
GB5 Metal - N/A
0%
|
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GB5 Vulkan - N/A
0%
|
GB5 Vulkan - N/A
0%
|
|
OCT 2020.1 - N/A
0%
|
OCT 2020.1 - N/A
0%
|
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OCT Metal - N/A
0%
|
OCT Metal - N/A
0%
|
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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
Juniper
RV840
Variant
Granville Pro
|
Codename
Turks
RV930
Variant
Whistler XT
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/4/2011
|
Release Date
1/4/2011
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
40nm
-
|
Fabrication Node
40nm
-
|
|
Die Size
166 mm²
-
|
Die Size
118 mm²
-
|
|
Transistor Count
1 Billion
-
|
Transistor Count
716 Million
-
|
|
Transistor Density
6.27M/mm²
-
|
Transistor Density
6.07M/mm²
-
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
800 Shaders
-
|
Shading Units
480 Shaders
-
|
|
Texture Mapping Units
40 TMUs
|
Texture Mapping Units
24 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
8 ROPs
|
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-
-
|
-
-
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-
-
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-
-
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-
-
|
-
-
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Compute Units
10 CUs
|
Compute Units
6 CUs
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|
-
-
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-
-
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-
-
|
-
-
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-
-
-
575MHz
|
-
-
-
675MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
0.92 TFLOPS
|
FP32
0.65 TFLOPS
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
Pixel Fillrate
9.2 GPixel/s
|
Pixel Fillrate
5.4 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
23 GTexel/s
|
Texture Fillrate
16.2 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
8KB/CU
-
|
L1
-
-
8KB/CU
-
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
-
-
-
|
-
-
-
|
|
1GB
GDDR5
-
|
1GB
GDDR5
-
|
|
Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
51.2GB/s
|
Clock
794MHz
Transfer Rate
3.2GT/s
Bandwidth
50.8GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
39W
|
TDP
35W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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No Ports
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
|
Max Resolution
2560x1600
|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
-
-
|
Variable Refresh Rate
-
-
-
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
|
-
-
|
-
-
|
|
No Encoders
-
|
No Encoders
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Model
UVD 2.2
|
Model
UVD 3.0
|
|
Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Direct X
11
Direct 3D
11_0
|
Direct X
11
Direct 3D
11_0
|
|
OpenGL
4.5
OpenCL
1.2
-
-
|
OpenGL
4.5
OpenCL
1.2
-
-
|
|
Shader Model
5.0
-
-
GFX
4
-
-
-
-
|
Shader Model
5.0
-
-
GFX
4
-
-
-
-
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Not a Card
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Not a Card
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-
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-
-
-
-
-
-
-
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-
-
PCIe Version
2.1
PCIe Lanes
16
|
-
-
PCIe Version
2.1
PCIe Lanes
16
|
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-
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