Radeon RX 580 and GeForce 405M - video card comparison
Radeon RX 580
GeForce 405M
Architecture
Polaris (2016−2019)
GT2xx (2009−2012)
GPU code name
Polaris 20
GT218
Market segment
Desktop
Laptop
Release date
April 2017
May 2012
Bus support
-
PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1340 MHz
-
Core clock speed
1257 MHz
606 MHz
CUDA cores
-
16
Floating-point performance
6,175 gflops
38.78 gflops
Gigaflops
-
73
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
260 million
Pipelines / CUDA cores
2304
16
Power consumption (TDP)
185 Watt
14 Watt
Texture fill rate
193.0
4.848
Memory type
GDDR5
GDDR3, DDR3
Maximum RAM amount
8 GB
Up to 512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
8000 MHz
Up to 800 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth
256.0 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
DisplayPort, HDMI, VGA, Dual Link DVI, Single Link DVI
Multi monitor support
-
+
HDMI
+
+
Maximum VGA resolution
-
2048x1536
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.4
4.1
Vulkan
1.2.131
N/A
Power management
-
8.0