Radeon R9 390 X2 and Apple M2 Pro 19-Core GPU - video card comparison
Radeon R9 390 X2
Apple M2 Pro 19-Core GPU
Architecture
GCN 2.0 (2013−2017)
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GPU code name
Grenada
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Market segment
Desktop
Laptop
Release date
September 2015
January 2023
Interface
PCIe 3.0 x16
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Supplementary power connectors
4x 8-pin
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Boost clock speed
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1398 MHz
Core clock speed
1000 MHz
444 MHz
Floating-point performance
2x 5,120 gflops
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Manufacturing process technology
28 nm
5 nm
Number of transistors
6,200 million
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Pipelines / CUDA cores
2560
19
Power consumption (TDP)
580 Watt
20 Watt
Texture fill rate
160.0
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Memory type
GDDR5
LPDDR5-6400
Maximum RAM amount
8 GB
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Memory bus width
512 Bit
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Memory clock speed
5400 MHz
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Memory bandwidth
345.6 GB/s
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Shared memory
-
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Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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HDMI
+
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DirectX
12 (12_0)
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OpenCL
2.0
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OpenGL
4.6
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Shader Model
6.3
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Vulkan
1.2.131
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