Radeon R9 380X vs Radeon R9 390

Radeon R9 380X
Radeon R9 390
2048 Shaders
4GB GDDR5
970MHz
2560 Shaders
8GB GDDR5
1000MHz
FP32
3.97 TFLOPS
FP32
5.12 TFLOPS
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-
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-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
190W
TDP
275W
Power Connectors
2x 6-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
Tonga
-
Variant
Antigua XT
Codename
Hawaii
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Variant
Grenada Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
11/1/2015
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
359 mm²
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Die Size
438 mm²
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Transistor Count
5 Billion
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Transistor Count
6.2 Billion
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Transistor Density
13.93M/mm²
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Transistor Density
14.16M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
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Shading Units
2560 Shaders
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Texture Mapping Units
128 TMUs
Texture Mapping Units
160 TMUs
Render Output Units
32 ROPs
Render Output Units
64 ROPs
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Compute Units
32 CUs
Compute Units
40 CUs
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970MHz
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1000MHz
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FP32
3.97 TFLOPS
FP32
5.12 TFLOPS
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FP64
0.25 TFLOPS
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FP64
0.64 TFLOPS
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Pixel Fillrate
31.04 GPixel/s
Pixel Fillrate
64 GPixel/s
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Texture Fillrate
124.16 GTexel/s
Texture Fillrate
160 GTexel/s
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L1
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-
16KB/CU
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L1
-
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16KB/CU
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L2
768KB Shared
L2
1MB Shared
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4GB
GDDR5
-
8GB
GDDR5
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Bus Width
256Bit
Bus Width
512Bit
Clock
1425MHz
Transfer Rate
5.7GT/s
Bandwidth
182.4GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
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TDP
190W
TDP
275W
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1x DVI-I Dual-Link
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1x DVI-D Dual-Link
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1x 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
3
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 5.0
Model
UVD 4.2
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
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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2x 6-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
221 mm (8.7 in)
Depth
37 mm (1.46 in)
Height
110 mm (4.33 in)
Width
275 mm (10.83 in)
Depth
36 mm (1.42 in)
Change Results