Radeon RX 550 and Radeon RX 6450M - video card comparison
Radeon RX 550
Radeon RX 6450M
Architecture
GCN 4.0 (2016−2020)
RDNA 2 (2020−2022)
GPU code name
Lexa
Navi 24
Market segment
Desktop
Laptop
Release date
April 2017
January 2023
Interface
PCIe 3.0 x8
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1183 MHz
2220 MHz
Core clock speed
1100 MHz
2000 MHz
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
2,200 million
5,400 million
Pipelines / CUDA cores
512
768
Power consumption (TDP)
50 Watt
25 Watt (25 - 50 Watt TGP)
Texture fill rate
37.86
118.1
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
7000 MHz
18000 MHz
Memory bandwidth
112.0 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
2.2
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
1.2.131
1.3