Radeon RX 550 and GeForce 256 DDR - video card comparison
Radeon RX 550
GeForce 256 DDR
Architecture
GCN 4.0 (2016−2020)
Celsius (1999−2005)
GPU code name
Lexa
NV10 A3
Market segment
Desktop
Desktop
Release date
April 2017
December 1999
Interface
PCIe 3.0 x8
AGP 4x
Supplementary power connectors
None
None
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
120 MHz
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
220 nm
Number of transistors
2,200 million
17 million
Pipelines / CUDA cores
512
-
Power consumption (TDP)
50 Watt
-
Texture fill rate
37.86
0.48
Memory type
GDDR5
DDR
Maximum RAM amount
4 GB
32 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
300 MHz
Memory bandwidth
112.0 GB/s
4.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x VGA
HDMI
+
-
DirectX
12 (12_0)
7.0
OpenCL
2.0
N/A
OpenGL
4.6
1.2
Shader Model
6.4
-
Vulkan
1.2.131
N/A