Radeon RX 490M and Radeon HD 7490M - video card comparison
Radeon RX 490M
Radeon HD 7490M
Architecture
Polaris (2016−2019)
Terascale 2 (2009−2015)
GPU code name
Polaris
Seymour XTX
Market segment
Laptop
Laptop
Release date
August 2016
December 2011
Interface
-
PCIe 2.0 x16
Core clock speed
-
800 MHz
Floating-point performance
-
256.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
-
370 million
Pipelines / CUDA cores
-
160
Power consumption (TDP)
-
9 Watt
Texture fill rate
-
6.400
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
512 MB
Memory bus width
-
64 Bit
Memory clock speed
-
3800 MHz
Memory bandwidth
-
30.4 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
12
11.2 (11_0)
OpenCL
-
1.2
OpenGL
-
4.4
Shader Model
-
5.0
Vulkan
-
N/A