Radeon RX 550 and Radeon HD 7450 OEM - video card comparison
Radeon RX 550
Radeon HD 7450 OEM
Architecture
GCN 4.0 (2016−2020)
TeraScale 2 (2009−2015)
GPU code name
Lexa
Caicos
Market segment
Desktop
Desktop
Release date
April 2017
January 2012
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
625 MHz
Floating-point performance
1,211 gflops
200.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
2,200 million
370 million
Pipelines / CUDA cores
512
160
Power consumption (TDP)
50 Watt
18 Watt
Texture fill rate
37.86
5.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
7000 MHz
1066 MHz
Memory bandwidth
112.0 GB/s
8.528 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI
HDMI
+
+
DirectX
12 (12_0)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
N/A