
RSX-90nm and Radeon 550X 640SP - video card comparison
RSX-90nm
Radeon 550X 640SP
Architecture
Curie (2003−2013)
GCN 4.0 (2016−2020)
GPU code name
RSX-90nm
Lexa
Market segment
Desktop
Desktop
Release date
-
April 2018
Interface
-
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
1071 MHz
Core clock speed
-
1019 MHz
Floating-point performance
-
1,371 gflops
Manufacturing process technology
90 nm
14 nm
Number of transistors
300 million
2,200 million
Pipelines / CUDA cores
-
640
Power consumption (TDP)
-
50 Watt
Texture fill rate
-
42.84
Memory type
-
GDDR5
Maximum RAM amount
-
4 GB
Memory bus width
-
64 Bit
Memory clock speed
-
6000 MHz
Memory bandwidth
-
48 GB/s
Display Connectors
-
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
N/A
12 (12_0)
OpenCL
N/A
2.0
OpenGL
ES 1.1
4.6
Shader Model
-
6.4
Vulkan
N/A
1.2.131