Radeon RX 550 Mobile and Radeon RX 580 2048SP - video card comparison
Radeon RX 550 Mobile
Radeon RX 580 2048SP
Architecture
Polaris (2016−2019)
GCN 4.0 (2016−2020)
GPU code name
Polaris 12
Polaris 20
Market segment
Laptop
Desktop
Release date
March 2017
October 2018
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
1476 MHz
1284 MHz
Core clock speed
1287 MHz
1168 MHz
Floating-point performance
1,647 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
5,700 million
Pipelines / CUDA cores
640
2048
Power consumption (TDP)
50 Watt
150 Watt
Texture fill rate
51.48
164.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
7000 MHz
Memory bandwidth
96 GB/s
224.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.2.131
FreeSync
+
-