Radeon HD 6490M and Radeon R4 Graphics - video card comparison
Radeon HD 6490M
Radeon R4 Graphics
Architecture
Terascale 2 (2009−2015)
GCN 2.0 (2013−2017)
GPU code name
Seymour XT
Beema
Market segment
Laptop
Desktop
Release date
January 2011
June 2014
Interface
PCIe 2.0 x16
IGP
Core clock speed
700 / 750 / 800 MHz
800 MHz
Floating-point performance
256 gflops
204.8 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
370 million
930 million
Pipelines / CUDA cores
160
128
Power consumption (TDP)
-
15 Watt
Texture fill rate
6.400
6.400
Memory type
DDR3/GDDR5
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
800 MHz
System Shared
Memory bandwidth
25.6 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.3
Vulkan
N/A
1.2.131