Radeon RX 7900 XT and Radeon R9 390X2 - video card comparison
Radeon RX 7900 XT
Radeon R9 390X2
Architecture
RDNA 3
GCN (2011−2017)
GPU code name
Navi 31 XT
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Market segment
Desktop
Desktop
Release date
November 2022
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Interface
PCIe 4.0 x16
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Supplementary power connectors
2x 8-pin
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Boost clock speed
2000 MHz
1000 MHz
Manufacturing process technology
5 nm
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Number of transistors
57,700 million
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Pipelines / CUDA cores
5376
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Power consumption (TDP)
315 Watt
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Texture fill rate
804.4
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Memory type
GDDR6
512
Maximum RAM amount
20 GB
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Memory bus width
320 Bit
5400 Bit
Memory clock speed
20000 MHz
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Memory bandwidth
800.0 GB/s
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Shared memory
-
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Display Connectors
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
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HDMI
+
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DirectX
12 Ultimate (12_2)
GDDR5
OpenCL
2.1
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OpenGL
4.6
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Shader Model
6.7
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Vulkan
1.3
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