Radeon R2 2CU 400MHz GCN 2 vs Radeon R4 2CU 300MHz GCN 2
Radeon R2 2CU 400MHz GCN 2
Radeon R4 2CU 300MHz GCN 2
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128 Shaders
Shared Memory
400MHz
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128 Shaders
Shared Memory
300MHz
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FP32
0.1 TFLOPS
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FP32
0.08 TFLOPS
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FP16
0.1 TFLOPS
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FP16
0.08 TFLOPS
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Form Factor
iGPU
-
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Form Factor
iGPU
-
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TDP
Shared
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TDP
Shared
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-
-
-
-
-
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-
-
-
-
-
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GB5 OpenCL - N/A
0%
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GB5 OpenCL - N/A
0%
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GB5 CUDA - N/A
0%
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GB5 CUDA - N/A
0%
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GB5 Metal - N/A
0%
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GB5 Metal - N/A
0%
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GB5 Vulkan - N/A
0%
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GB5 Vulkan - N/A
0%
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OCT 2020.1 - N/A
0%
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OCT 2020.1 - N/A
0%
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OCT Metal - N/A
0%
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OCT Metal - N/A
0%
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-
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-
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-
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-
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-
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Form
iGPU
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Form
iGPU
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Shading Units
128 Shaders
-
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Shading Units
128 Shaders
-
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Texture Mapping Units
8 TMUs
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Texture Mapping Units
8 TMUs
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Render Output Units
4 ROPs
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Render Output Units
4 ROPs
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-
-
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-
-
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-
-
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-
-
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-
-
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-
-
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Compute Units
2 CUs
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Compute Units
2 CUs
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-
-
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-
-
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-
-
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-
-
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-
-
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400MHz
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-
-
-
300MHz
|
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-
-
|
-
-
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-
-
-
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-
-
-
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FP16
0.1 TFLOPS
-
|
FP16
0.08 TFLOPS
-
|
|
-
-
-
|
-
-
-
|
|
FP32
0.1 TFLOPS
|
FP32
0.08 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
0.01 TFLOPS
-
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FP64
0.01 TFLOPS
-
|
|
-
-
|
-
-
|
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-
-
-
|
-
-
-
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Pixel Fillrate
1.6 GPixel/s
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Pixel Fillrate
1.2 GPixel/s
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-
-
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-
-
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Texture Fillrate
3.2 GTexel/s
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Texture Fillrate
2.4 GTexel/s
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-
-
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-
-
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L1
-
-
16KB/CU
-
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L1
-
-
16KB/CU
-
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L2
64KB Shared
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L2
64KB Shared
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-
-
-
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-
-
-
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Shared Memory
-
-
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Shared Memory
-
-
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-
|
-
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-
-
-
-
-
-
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-
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-
-
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-
-
-
-
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-
-
-
-
-
-
-
-
-
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TDP
Shared
|
TDP
Shared
|
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-
-
|
-
-
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-
-
-
-
-
-
-
-
-
-
-
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-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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No Ports
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
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-
-
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-
-
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No Ports
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Max Resolution
4096x2160
|
Max Resolution
4096x2160
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Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
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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
|
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Multi Monitor Support
3
|
Multi Monitor Support
3
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-
-
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-
-
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Model
VCE 2.0
|
Model
VCE 2.0
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
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Model
UVD 4.2
|
Model
UVD 4.2
|
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Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
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Direct X
12
Direct 3D
12_0
|
Direct X
12
Direct 3D
12_0
|
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
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Shader Model
6.5
-
-
GFX
7
-
-
-
-
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Shader Model
6.5
-
-
GFX
7
-
-
-
-
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Not a Card
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Not a Card
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