Radeon HD 6490M and Radeon HD 7490M - video card comparison
Radeon HD 6490M
Radeon HD 7490M
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Seymour XT
Seymour XTX
Market segment
Laptop
Laptop
Release date
January 2011
December 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
700 / 750 / 800 MHz
800 MHz
Floating-point performance
256 gflops
256.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
370 million
370 million
Pipelines / CUDA cores
160
160
Power consumption (TDP)
-
9 Watt
Texture fill rate
6.400
6.400
Memory type
DDR3/GDDR5
GDDR5
Maximum RAM amount
512 MB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
800 MHz
3800 MHz
Memory bandwidth
25.6 GB/s
30.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A