GeForce RTX 4080 Ti and Radeon R9 390X2 - video card comparison
GeForce RTX 4080 Ti
Radeon R9 390X2
Architecture
Ada Lovelace
GCN (2011−2017)
GPU code name
AD102
-
Market segment
Desktop
Desktop
Release date
2023
-
Interface
PCIe 4.0 x16
-
Supplementary power connectors
1x 16-pin
-
Boost clock speed
2610 MHz
1000 MHz
Manufacturing process technology
5 nm
-
Number of transistors
76,300 million
-
Pipelines / CUDA cores
14080
-
Power consumption (TDP)
400 Watt
-
Texture fill rate
1,148
-
Memory type
GDDR6X
512
Maximum RAM amount
16 GB
-
Memory bus width
256 Bit
5400 Bit
Memory clock speed
21.2 GB/s
-
Memory bandwidth
678.4 GB/s
-
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
-
HDMI
+
-
DirectX
12 Ultimate (12_2)
GDDR5
CUDA
8.9
-
OpenCL
3.0
-
OpenGL
4.6
-
Shader Model
6.7
-
Vulkan
1.3
-