GeForce RTX 4090 and Radeon R9 390X2 - video card comparison
GeForce RTX 4090
Radeon R9 390X2
Architecture
Ada Lovelace
GCN (2011−2017)
GPU code name
AD102-300-A1
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Market segment
Desktop
Desktop
Release date
September 2022
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Interface
PCIe 4.0 x16
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Supplementary power connectors
1x 16-pin
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Boost clock speed
2520 MHz
1000 MHz
Core clock speed
2235 MHz
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Manufacturing process technology
5 nm
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Number of transistors
76,300 million
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Pipelines / CUDA cores
16384
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Power consumption (TDP)
450 Watt
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Texture fill rate
1,290
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Memory type
GDDR6X
512
Maximum RAM amount
24 GB
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Memory bus width
384 Bit
5400 Bit
Memory clock speed
21000 MHz
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Memory bandwidth
1,008 GB/s
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Shared memory
-
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Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
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HDMI
+
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DirectX
12 Ultimate (12_2)
GDDR5
CUDA
8.9
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OpenCL
3.0
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OpenGL
4.6
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Shader Model
6.6
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Vulkan
1.3
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