Radeon RX 580 and GeForce 256 SDR - video card comparison
Radeon RX 580
GeForce 256 SDR
Architecture
Polaris (2016−2019)
Celsius (1999−2005)
GPU code name
Polaris 20
NV10 A3
Market segment
Desktop
Desktop
Release date
April 2017
October 1999
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1340 MHz
-
Core clock speed
1257 MHz
120 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
220 nm
Number of transistors
5,700 million
17 million
Pipelines / CUDA cores
2304
-
Power consumption (TDP)
185 Watt
-
Texture fill rate
193.0
0.48
Memory type
GDDR5
SDR
Maximum RAM amount
8 GB
32 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
8000 MHz
143 MHz
Memory bandwidth
256.0 GB/s
1.144 GB/s
Display Connectors
1x HDMI, 3x 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