Radeon R9 390X2 and GeForce RTX 4090 D - video card comparison
Radeon R9 390X2
GeForce RTX 4090 D
Architecture
GCN (2011−2017)
Ada Lovelace
GPU code name
-
AD102
Market segment
Desktop
Desktop
Release date
-
December 2023
Interface
-
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
1000 MHz
2520 MHz
Manufacturing process technology
-
5 nm
Number of transistors
-
76,300 million
Pipelines / CUDA cores
-
14592
Power consumption (TDP)
-
425 Watt
Texture fill rate
-
1,149
Memory type
512
GDDR6X
Maximum RAM amount
-
24 GB
Memory bus width
5400 Bit
384 Bit
Memory clock speed
-
21 GB/s
Memory bandwidth
-
1,008 GB/s
Display Connectors
-
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
GDDR5
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
-
3.0
OpenGL
-
4.6
Shader Model
-
6.7
Vulkan
-
1.3