Radeon Pro Duo vs Radeon R9 390X

Radeon Pro Duo
Radeon R9 390X
2x 4096 Shaders
2x 4GB HBM
1000MHz
2816 Shaders
8GB GDDR5
1050MHz
FP32
16.38 TFLOPS
FP32
5.91 TFLOPS
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-
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-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
350W
TDP
275W
Power Connectors
-
3x 8-Pin
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-
Power Connectors
1x 6-Pin
1x 8-Pin
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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
GCN 3
Architecture
GCN 2
Family
Radeon R 300
Family
Radeon R 300
Codename
Fiji
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Variant
Capsaicin XT
Codename
Hawaii
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Variant
Grenada XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/26/2016
Release Date
6/18/2015
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
2x 596 mm²
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Die Size
438 mm²
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Transistor Count
2x 8.9 Billion
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Transistor Count
6.2 Billion
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Transistor Density
14.93M/mm²
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Transistor Density
14.16M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2x 4096 Shaders
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Shading Units
2816 Shaders
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Texture Mapping Units
2x 256 TMUs
Texture Mapping Units
176 TMUs
Render Output Units
2x 64 ROPs
Render Output Units
64 ROPs
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Compute Units
2x 64 CUs
Compute Units
44 CUs
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1000MHz
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1050MHz
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FP32
16.38 TFLOPS
FP32
5.91 TFLOPS
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FP64
1.02 TFLOPS
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FP64
0.74 TFLOPS
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Pixel Fillrate
64 GPixel/s
Pixel Fillrate
67.2 GPixel/s
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Texture Fillrate
256 GTexel/s
Texture Fillrate
184.8 GTexel/s
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L1
-
-
16KB/CU
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L1
-
-
16KB/CU
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L2
2MB Shared
L2
1MB Shared
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2x 4GB
HBM
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8GB
GDDR5
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Bus Width
4096Bit
Bus Width
512Bit
Clock
500MHz
Transfer Rate
1GT/s
Bandwidth
512GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
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TDP
350W
TDP
275W
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3x DisplayPort 1.2
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1x HDMI 1.4
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2x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
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Max Resolution
4096x2160
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
4
Multi Monitor Support
3
Content Protection
HDCP 1.4
Content Protection
HDCP 1.4
Model
VCE 3.0
Model
VCE 2.0
Codec
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AVC (H.264)
HEVC (H.265)
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Codec
-
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AVC (H.264)
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Model
UVD 6.0
Model
UVD 4.2
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
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AVC (H.264)
HEVC (H.265)
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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
12
Direct 3D
12_0
Direct X
12
Direct 3D
12_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
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GFX
8
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Shader Model
6.5
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GFX
7
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1x Fan
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1x Fan
Power Connectors
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3x 8-Pin
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Power Connectors
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1x 6-Pin
1x 8-Pin
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
CrossFire XDMA
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
111 mm (4.37 in)
Width
277 mm (10.91 in)
Depth
40 mm (1.57 in)
Height
110 mm (4.33 in)
Width
275 mm (10.83 in)
Depth
36 mm (1.42 in)
Change Results