
Radeon R9 390X2 and GeForce RTX 4090 Max-Q - video card comparison
Radeon R9 390X2
GeForce RTX 4090 Max-Q
Architecture
GCN (2011−2017)
Ada Lovelace
GPU code name
-
AD103
Market segment
Desktop
Desktop
Release date
-
January 2023
Interface
-
PCIe 4.0 x16
Supplementary power connectors
-
None
Boost clock speed
1000 MHz
1455 MHz
Manufacturing process technology
-
4 nm
Number of transistors
-
45,900 million
Pipelines / CUDA cores
-
9728
Power consumption (TDP)
-
80 Watt
Texture fill rate
-
442.3
Memory type
512
GDDR6
Maximum RAM amount
-
16 GB
Memory bus width
5400 Bit
256 Bit
Memory clock speed
-
14 GB/s
Memory bandwidth
-
448.0 GB/s
Display Connectors
-
Portable Device Dependent
DirectX
GDDR5
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
-
3.0
OpenGL
-
4.6
Shader Model
-
6.7
Vulkan
-
1.3