Radeon RX 490M and GeForce 405M - video card comparison
Radeon RX 490M
GeForce 405M
Architecture
Polaris (2016−2019)
GT2xx (2009−2012)
GPU code name
Polaris
GT218
Market segment
Laptop
Laptop
Release date
August 2016
May 2012
Bus support
-
PCI-E 2.0
Interface
-
PCIe 2.0 x16
Core clock speed
-
606 MHz
CUDA cores
-
16
Floating-point performance
-
38.78 gflops
Gigaflops
-
73
Manufacturing process technology
14 nm
40 nm
Number of transistors
-
260 million
Pipelines / CUDA cores
-
16
Power consumption (TDP)
-
14 Watt
Texture fill rate
-
4.848
Memory type
GDDR5
GDDR3, DDR3
Maximum RAM amount
-
Up to 512 MB
Memory bus width
-
64 Bit
Memory clock speed
-
Up to 800 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth
-
25.6 GB/s
Shared memory
-
-
Display Connectors
-
DisplayPort, HDMI, VGA, Dual Link DVI, Single Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
DirectX
12
12 API
CUDA
-
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
4.1
Vulkan
-
N/A
Power management
-
8.0