Lexa and Radeon RX 550 512SP - video card comparison
Lexa
Radeon RX 550 512SP
Architecture
GCN 4.0 (2016−2020)
GCN 4.0 (2016−2020)
GPU code name
Lexa
Baffin
Market segment
Desktop
Desktop
Release date
-
October 2017
Interface
-
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
1071 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
3,000 million
Pipelines / CUDA cores
640
512
Power consumption (TDP)
-
50 Watt
Texture fill rate
-
34.27
Memory type
-
GDDR5
Maximum RAM amount
-
2 GB
Memory bus width
-
128 Bit
Memory clock speed
-
6 GB/s
Memory bandwidth
-
96 GB/s
Display Connectors
-
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.7
6.4
Vulkan
1.3
1.2