
GeForce 405M and Radeon RX 580X Mobile - video card comparison
GeForce 405M
Radeon RX 580X Mobile
Architecture
GT2xx (2009−2012)
Polaris (2016−2019)
GPU code name
GT218
Polaris
Market segment
Laptop
Laptop
Release date
May 2012
January 2019
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
MXM-B (3.0)
Boost clock speed
-
1340 MHz
Core clock speed
606 MHz
-
CUDA cores
16
-
Floating-point performance
38.78 gflops
-
Gigaflops
73
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
260 million
5,700 million
Pipelines / CUDA cores
16
2304
Power consumption (TDP)
14 Watt
65-110 Watt
Texture fill rate
4.848
155.1
Memory type
GDDR3, DDR3
GDDR5
Maximum RAM amount
Up to 512 MB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
Up to 800 (DDR3), Up to 800 (GDDR3) MHz
8000 MHz
Memory bandwidth
25.6 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
DisplayPort, HDMI, VGA, Dual Link DVI, Single Link DVI
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
DirectX
12 API
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
4.1
6.4
Vulkan
N/A
1.2.131
Power management
8.0
-