Radeon HD 6490M Mac Edition and Radeon HD 6750M Mac Edition - video card comparison
Radeon HD 6490M Mac Edition
Radeon HD 6750M Mac Edition
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Seymour
Whistler
Market segment
Desktop
Desktop
Release date
May 2011
April 2011
Interface
PCIe 2.0 x16
MXM-A (3.0)
Core clock speed
750 MHz
598 MHz
Floating-point performance
240 gflops
574.1 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
370 million
716 million
Pipelines / CUDA cores
160
480
Power consumption (TDP)
-
35 Watt
Texture fill rate
6.000
14.35
Memory type
GDDR5
GDDR5
Maximum RAM amount
256 MB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
3176 MHz
3176 MHz
Memory bandwidth
25.41 GB/s
50.82 GB/s
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