Radeon RX 550 and Radeon R7 250E - video card comparison
Radeon RX 550
Radeon R7 250E
Architecture
GCN 4.0 (2016−2020)
GCN 1.0 (2012−2020)
GPU code name
Lexa
Cape Verde
Market segment
Desktop
Desktop
Release date
April 2017
December 2013
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
800 MHz
Floating-point performance
1,211 gflops
819.2 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
1,500 million
Pipelines / CUDA cores
512
512
Power consumption (TDP)
50 Watt
55 Watt
Texture fill rate
37.86
25.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
4500 MHz
Memory bandwidth
112.0 GB/s
72 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.2.131