
Radeon RX 550 Mobile and Radeon R9 390X2 - video card comparison
Radeon RX 550 Mobile
Radeon R9 390X2
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 12
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Market segment
Laptop
Desktop
Release date
March 2017
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Interface
PCIe 3.0 x8
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Boost clock speed
1476 MHz
1000 MHz
Core clock speed
1287 MHz
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Floating-point performance
1,647 gflops
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Manufacturing process technology
14 nm
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Number of transistors
2,200 million
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Pipelines / CUDA cores
640
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Power consumption (TDP)
50 Watt
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Texture fill rate
51.48
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Memory type
GDDR5
512
Maximum RAM amount
4 GB
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Memory bus width
128 Bit
5400 Bit
Memory clock speed
6000 MHz
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Memory bandwidth
96 GB/s
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Shared memory
-
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Display Connectors
No outputs
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DirectX
12 (12_0)
GDDR5
OpenCL
2.0
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OpenGL
4.6
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Shader Model
6.4
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Vulkan
1.2.131
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FreeSync
+
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