Radeon HD 6750M Mac Edition and Radeon HD 4750 - video card comparison
Radeon HD 6750M Mac Edition
Radeon HD 4750
Architecture
TeraScale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Whistler
RV740
Market segment
Desktop
Desktop
Release date
April 2011
September 2009
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
598 MHz
730 MHz
Floating-point performance
574.1 gflops
934.4 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
826 million
Pipelines / CUDA cores
480
640
Power consumption (TDP)
35 Watt
100 Watt
Texture fill rate
14.35
23.36
Memory type
GDDR5
GDDR5
Maximum RAM amount
512 MB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
3176 MHz
3200 MHz
Memory bandwidth
50.82 GB/s
51.2 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A