Radeon RX 5900 and Radeon RX 7990 XTX - video card comparison
Radeon RX 5900
Radeon RX 7990 XTX
Architecture
RDNA 2.0 (2020−2022)
RDNA 3.0 (2022)
GPU code name
Navi 21
Navi 31
Market segment
Desktop
Desktop
Release date
-
2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
3x 8-pin
Boost clock speed
1635 MHz
3599 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
21,000 million
57,700 million
Pipelines / CUDA cores
4096
6144
Power consumption (TDP)
300 Watt
405 Watt
Texture fill rate
418.6
1,382
Memory type
GDDR6
GDDR6
Maximum RAM amount
12 GB
24 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
14000 MHz
24 GB/s
Memory bandwidth
672.0 GB/s
1,152 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
+
+
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
OpenCL
-
2.2
OpenGL
4.6
4.6
Shader Model
-
6.7
Vulkan
-
1.3