Radeon R7 450 OEM and Radeon RX 6400 - video card comparison
Radeon R7 450 OEM
Radeon RX 6400
Architecture
GCN 1.0 (2012−2020)
RDNA 2.0 (2020−2022)
GPU code name
Cape Verde
Navi 24
Market segment
Desktop
Desktop
Release date
June 2016
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
-
2321 MHz
Core clock speed
925 MHz
-
Floating-point performance
947.2 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,500 million
5,400 million
Pipelines / CUDA cores
512
768
Power consumption (TDP)
65 Watt
53 Watt
Texture fill rate
29.60
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4.5 GB/s
16 GB/s
Memory bandwidth
72 GB/s
128.0 GB/s
Display Connectors
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
2.1 (1.2)
2.2
OpenGL
4.6
4.6
Shader Model
6.5 (5.1)
6.6
Vulkan
1.2.170
1.3