AMD Radeon HD 6770M Mac MXM vs AMD Radeon R9 M290

AMD Radeon HD 6770M Mac MXM
AMD Radeon R9 M290
480 Shaders
512MB GDDR5
675MHz
1024 Shaders
4GB GDDR5
975MHz
Peak AI Performance
650 GFLOPS
FP32
Peak AI Performance
2 TFLOPS
FP32
FP32
650 GFLOPS
FP32
2 TFLOPS
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Form Factor
MXM-A
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Form Factor
Soldered
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TDP
35W
TDP
80W
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GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
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 R 200
Codename
Turks
RV930
Variant
Whistler XT
Codename
Pitcairn
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Variant
Neptune XT
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/4/2011
Release Date
5/31/2014
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
118 mm²
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Die Size
212 mm²
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Transistor Count
716 Million
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Transistor Count
2.8 Billion
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Transistor Density
6.07M/mm²
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Transistor Density
13.21M/mm²
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Form
MXM-A
Form
Soldered
Shading Units
480 Shaders
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Shading Units
1024 Shaders
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Texture Mapping Units
24 TMUs
Texture Mapping Units
64 TMUs
Render Output Units
8 ROPs
Render Output Units
32 ROPs
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Compute Units
6 CUs
Compute Units
16 CUs
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675MHz
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850MHz Base
975MHz
Peak AI Performance
650 GFLOPS
FP32
Peak AI Performance
2 TFLOPS
FP32
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FP32
650 GFLOPS
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FP32
2 TFLOPS
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FP64
120 GFLOPS
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Pixel Fillrate
5.4 GPixel/s
Pixel Fillrate
31.2 GPixel/s
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Texture Fillrate
16.2 GTexel/s
Texture Fillrate
62.4 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
512KB Shared
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512MB
GDDR5
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4GB
GDDR5
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Bus Width
128Bit
Bus Width
256Bit
Clock
794MHz
Transfer Rate
3.2GT/s
Bandwidth
50.8GB/s
Clock
1365MHz
Transfer Rate
5.5GT/s
Bandwidth
174.7GB/s
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TDP
35W
TDP
80W
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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 3.0
Model
UVD 4.0
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
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
3.0
PCIe Lanes
16
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Change Comparison