Radeon R9 M290X vs Radeon R9 M390X

Radeon R9 M290X
Radeon R9 M390X
1280 Shaders
4GB GDDR5
900MHz
2048 Shaders
4GB GDDR5
723MHz
FP32
2.3 TFLOPS
FP32
2.96 TFLOPS
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Form Factor
Soldered
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Form Factor
Soldered
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TDP
100W
TDP
125W
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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 1
Architecture
GCN 3
Family
Radeon R 200
Family
Radeon R 300
Codename
Pitcairn
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Variant
Neptune XT
Codename
Tonga
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Variant
Amethyst XT
Market Segment
Laptop
Market Segment
Laptop
Release Date
5/31/2014
Release Date
5/5/2015
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
212 mm²
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Die Size
359 mm²
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Transistor Count
2.8 Billion
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Transistor Count
5 Billion
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Transistor Density
13.21M/mm²
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Transistor Density
13.93M/mm²
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Form
Soldered
Form
Soldered
Shading Units
1280 Shaders
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Shading Units
2048 Shaders
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Texture Mapping Units
80 TMUs
Texture Mapping Units
128 TMUs
Render Output Units
32 ROPs
Render Output Units
32 ROPs
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Compute Units
20 CUs
Compute Units
32 CUs
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850MHz Base
900MHz
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723MHz
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FP32
2.3 TFLOPS
FP32
2.96 TFLOPS
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FP64
0.14 TFLOPS
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FP64
0.19 TFLOPS
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Pixel Fillrate
28.8 GPixel/s
Pixel Fillrate
23.136 GPixel/s
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Texture Fillrate
72 GTexel/s
Texture Fillrate
92.544 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
512KB Shared
L2
768KB Shared
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4GB
GDDR5
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4GB
GDDR5
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Bus Width
256Bit
Bus Width
256Bit
Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
153.6GB/s
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
160GB/s
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TDP
100W
TDP
125W
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No Ports
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No Ports
Max Resolution
4096x2160
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
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Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
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Content Protection
HDCP 1.4
Model
VCE 1.0
Model
VCE 3.0
Codec
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AVC (H.264)
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Codec
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AVC (H.264)
HEVC (H.265)
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Model
UVD 4.0
Model
UVD 5.0
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
12
Direct 3D
11_1
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
6
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Shader Model
6.5
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GFX
8
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Not a Card
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Not a Card
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PCIe Version
3.0
PCIe Lanes
16
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PCIe Version
3.0
PCIe Lanes
16
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Change Results