Tahiti and Radeon RX 5900 - video card comparison
Tahiti
Radeon RX 5900
Architecture
GCN 1.0 (2012−2020)
RDNA 2.0 (2020−2022)
GPU code name
Tahiti
Navi 21
Market segment
Desktop
Desktop
Release date
-
-
Interface
-
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
-
1635 MHz
Manufacturing process technology
28 nm
7 nm
Number of transistors
4,313 million
21,000 million
Pipelines / CUDA cores
2048
4096
Power consumption (TDP)
-
300 Watt
Texture fill rate
-
418.6
Memory type
-
GDDR6
Maximum RAM amount
-
12 GB
Memory bus width
-
384 Bit
Memory clock speed
-
14000 MHz
Memory bandwidth
-
672.0 GB/s
Display Connectors
-
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_1)
OpenCL
2.1 (1.2)
-
OpenGL
4.6
4.6
Shader Model
6.5 (5.1)
-
Vulkan
1.2.170
-