Radeon RX 550 and RSX Reality Synthesizer - video card comparison
Radeon RX 550
RSX Reality Synthesizer
Architecture
GCN 4.0 (2016−2020)
Curie (2003−2013)
GPU code name
Lexa
RSX-CXD5302
Market segment
Desktop
Desktop
Release date
April 2017
October 2012
Interface
PCIe 3.0 x8
IGP
Supplementary power connectors
None
-
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
550 MHz
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
40 nm
Number of transistors
2,200 million
302 million
Pipelines / CUDA cores
512
-
Power consumption (TDP)
50 Watt
80 Watt
Texture fill rate
37.86
13.20
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
1400 MHz
Memory bandwidth
112.0 GB/s
22.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
N/A
OpenCL
2.0
-
OpenGL
4.6
ES 1.1
Shader Model
6.4
-
Vulkan
1.2.131
-