Radeon RX 550 and Radeon 520 - video card comparison
Passmark - benchmark score Radeon RX 550 vs Radeon 520
Radeon RX 550
2809
Radeon 520
811
Radeon RX 550
Radeon 520
Architecture
GCN 4.0 (2016−2020)
GCN 1.0 (2012−2020)
GPU code name
Lexa
Oland
Market segment
Desktop
Laptop
Release date
April 2017
March 2017
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
1030 MHz
Floating-point performance
1,211 gflops
659.2 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
1,040 million
Pipelines / CUDA cores
512
320
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
37.86
20.60
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
7000 MHz
2250 MHz
Memory bandwidth
112.0 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 (12_0)
12.0
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.0
Vulkan
1.2.131
+