
Radeon RX 5900 and RTX A4500 - video card comparison
Radeon RX 5900
RTX A4500
Architecture
RDNA 2.0 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA102
Market segment
Desktop
Workstation
Release date
-
November 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 8-pin
Boost clock speed
1635 MHz
1650 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
21,000 million
28,300 million
Pipelines / CUDA cores
4096
7168
Power consumption (TDP)
300 Watt
200 Watt
Texture fill rate
418.6
369.6
Memory type
GDDR6
GDDR6
Maximum RAM amount
12 GB
20 GB
Memory bus width
384 Bit
320 Bit
Memory clock speed
14000 MHz
16 GB/s
Memory bandwidth
672.0 GB/s
640.0 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
4x DisplayPort 1.4a
HDMI
+
-
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
-
3.0
OpenGL
4.6
4.6
Shader Model
-
6.7
Vulkan
-
1.3