Radeon RX 550 and Radeon R9 290X2 - video card comparison
Radeon RX 550
Radeon R9 290X2
Architecture
GCN 4.0 (2016−2020)
GCN 2.0 (2013−2017)
GPU code name
Lexa
Hawaii
Market segment
Desktop
Desktop
Release date
April 2017
June 2014
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
4x 8-pin
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
1000 MHz
Floating-point performance
1,211 gflops
2x 5,632 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
6,200 million
Pipelines / CUDA cores
512
2816
Power consumption (TDP)
50 Watt
580 Watt
Texture fill rate
37.86
176.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
512 Bit
Memory clock speed
7000 MHz
5400 MHz
Memory bandwidth
112.0 GB/s
345.6 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.3
Vulkan
1.2.131
1.2.131