Radeon R7 450 OEM and Radeon RX 5900 XT - video card comparison
Radeon R7 450 OEM
Radeon RX 5900 XT
Architecture
GCN 1.0 (2012−2020)
RDNA 2.0 (2020−2022)
GPU code name
Cape Verde
Navi 21
Market segment
Desktop
Desktop
Release date
June 2016
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
-
1735 MHz
Core clock speed
925 MHz
-
Floating-point performance
947.2 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
1,500 million
21,000 million
Pipelines / CUDA cores
512
4352
Power consumption (TDP)
65 Watt
300 Watt
Texture fill rate
29.60
471.9
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
12 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
4.5 GB/s
14000 MHz
Memory bandwidth
72 GB/s
672.0 GB/s
Display Connectors
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
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
-