GeForce GTX 660M Mac Edition and Radeon HD 6530 - video card comparison
GeForce GTX 660M Mac Edition
Radeon HD 6530
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK107
Redwood
Market segment
Desktop
Desktop
Release date
April 2013
May 2011
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
950 MHz
650 MHz
Floating-point performance
729.6 gflops
520.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
627 million
Pipelines / CUDA cores
384
400
Power consumption (TDP)
50 Watt
39 Watt
Texture fill rate
30.40
13.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5000 MHz
1200 MHz
Memory bandwidth
80 GB/s
19.2 GB/s
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
12 (11_0)
11.2 (11_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A