Radeon HD 6850M vs Radeon HD 7770M

Radeon HD 6850M
Radeon HD 7770M
800 Shaders
1GB GDDR5
575MHz
512 Shaders
2GB GDDR5
675MHz
FP32
0.92 TFLOPS
FP32
0.69 TFLOPS
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Form Factor
Soldered
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Form Factor
Soldered
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TDP
39W
TDP
32W
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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
GCN 1
Family
Radeon HD 6000
Family
Radeon HD 7000
Codename
Juniper
RV840
Variant
Granville Pro
Codename
Cape Verde
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Variant
Chelsea XT
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/4/2011
Release Date
4/24/2012
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
28nm
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Die Size
166 mm²
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Die Size
123 mm²
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Transistor Count
1 Billion
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Transistor Count
1.5 Billion
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Transistor Density
6.27M/mm²
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Transistor Density
12.20M/mm²
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Form
Soldered
Form
Soldered
Shading Units
800 Shaders
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Shading Units
512 Shaders
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Texture Mapping Units
40 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
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Compute Units
10 CUs
Compute Units
8 CUs
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575MHz
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675MHz
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FP32
0.92 TFLOPS
FP32
0.69 TFLOPS
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FP64
0.04 TFLOPS
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Pixel Fillrate
9.2 GPixel/s
Pixel Fillrate
10.8 GPixel/s
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Texture Fillrate
23 GTexel/s
Texture Fillrate
21.6 GTexel/s
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L1
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8KB/CU
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L1
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16KB/CU
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L2
256KB Shared
L2
256KB Shared
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1GB
GDDR5
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2GB
GDDR5
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Bus Width
128Bit
Bus Width
128Bit
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
51.2GB/s
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
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TDP
39W
TDP
32W
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No Ports
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No Ports
Max Resolution
2560x1600
Max Resolution
4096x2160
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
3
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No Encoders
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Model
VCE 1.0
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Codec
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AVC (H.264)
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Model
UVD 2.2
Model
UVD 4.0
Codec
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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
12
Direct 3D
11_1
OpenGL
4.5
OpenCL
1.2
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
5.0
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GFX
4
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Shader Model
6.5
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GFX
6
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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