
Radeon RX 580 and GeForce GTS 450 Rev. 2 - video card comparison
Radeon RX 580
GeForce GTS 450 Rev. 2
Architecture
Polaris (2016−2019)
Fermi 2.0 (2010−2014)
GPU code name
Polaris 20
GF116
Market segment
Desktop
Desktop
Release date
April 2017
March 2011
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Boost clock speed
1340 MHz
-
Core clock speed
1257 MHz
783 MHz
Floating-point performance
6,175 gflops
601.3 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
1,170 million
Pipelines / CUDA cores
2304
192
Power consumption (TDP)
185 Watt
106 Watt
Texture fill rate
193.0
25.06
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
8000 MHz
3608 MHz
Memory bandwidth
256.0 GB/s
57.73 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
2.1
OpenCL
2.0
1.1
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A