AMD Radeon RX Vega 56 vs AMD Radeon R9 390X

AMD Radeon RX Vega 56 $399
AMD Radeon R9 390X $429
3584 Shaders
8GB HBM2
1471MHz
2816 Shaders
8GB GDDR5
1050MHz
FP32
10.54 TFLOPS
FP32
5.91 TFLOPS
FP16
21.09 TFLOPS
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
210W
TDP
275W
Power Connectors
-
2x 8-Pin
-
-
Power Connectors
1x 6-Pin
1x 8-Pin
-
-
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 5
Architecture
GCN 2
Family
Radeon RX Vega
Family
Radeon R 300
Codename
Greenland
Vega 10
Variant
Vega 10 XL
Codename
Hawaii
-
Variant
Grenada XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/28/2017
Release Date
6/18/2015
Foundry
GlobalFoundries
-
Foundry
TSMC
-
Fabrication Node
14LPP
-
Fabrication Node
28nm
-
Die Size
486 mm²
-
Die Size
438 mm²
-
Transistor Count
12.5 Billion
-
Transistor Count
6.2 Billion
-
Transistor Density
25.72M/mm²
-
Transistor Density
14.16M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
3584 Shaders
-
Shading Units
2816 Shaders
-
Texture Mapping Units
224 TMUs
Texture Mapping Units
176 TMUs
Render Output Units
64 ROPs
Render Output Units
64 ROPs
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-
-
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-
-
-
-
-
-
Compute Units
56 CUs
Compute Units
44 CUs
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-
-
-
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-
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-
1156MHz Base
1471MHz
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-
-
1050MHz
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-
-
-
-
-
-
-
-
-
FP16
21.09 TFLOPS
-
-
-
-
-
-
-
-
-
-
FP32
10.54 TFLOPS
FP32
5.91 TFLOPS
-
-
-
-
FP64
0.66 TFLOPS
-
FP64
0.74 TFLOPS
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-
-
-
-
-
-
-
-
Pixel Fillrate
94.144 GPixel/s
Pixel Fillrate
67.2 GPixel/s
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-
-
-
Texture Fillrate
329.504 GTexel/s
Texture Fillrate
184.8 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
-
-
16KB/CU
-
L2
4MB Shared
L2
1MB Shared
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-
-
-
-
-
8GB
HBM2
-
8GB
GDDR5
-
Bus Width
2048Bit
Bus Width
512Bit
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
409.6GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
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-
TDP
210W
TDP
275W
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
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3x DisplayPort 1.4
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-
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1x HDMI 2.0
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-
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-
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-
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-
2x DVI-D Dual-Link
-
-
-
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-
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1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
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-
1x HDMI 1.4
-
-
-
-
Max Resolution
7680x4320
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
3
Multi Monitor Support
3
Content Protection
HDCP 2.2
Content Protection
HDCP 1.4
Model
VCE 4.0
Model
VCE 2.0
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
Model
UVD 7.0
Model
UVD 4.2
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
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-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
12_1
Direct X
12
Direct 3D
12_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.7
-
-
GFX
9
-
-
-
-
Shader Model
6.5
-
-
GFX
7
-
-
-
-
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1x Fan
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
1x 6-Pin
1x 8-Pin
-
-
-
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
280 mm (11.02 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 Comparison