
GeForce GT 420 OEM and Radeon RX 580 2048SP - video card comparison
GeForce GT 420 OEM
Radeon RX 580 2048SP
Architecture
Fermi (2010−2014)
GCN 4.0 (2016−2020)
GPU code name
GF108
Polaris 20
Market segment
Desktop
Desktop
Release date
September 2010
October 2018
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 8-pin
Boost clock speed
-
1284 MHz
Core clock speed
700 MHz
1168 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
585 million
5,700 million
Pipelines / CUDA cores
48
2048
Power consumption (TDP)
50 Watt
150 Watt
Texture fill rate
2.800
164.4
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 MHz
7000 MHz
Memory bandwidth
28.8 GB/s
224.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (11_0)
12 (12_0)
CUDA
2.1
-
OpenCL
1.1
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.2.131