Radeon HD 6610M and GeForce GTX 660M Mac Edition - video card comparison
Radeon HD 6610M
GeForce GTX 660M Mac Edition
Architecture
TeraScale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Whistler
GK107
Market segment
Desktop
Desktop
Release date
January 2011
April 2013
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
-
None
Core clock speed
450 MHz
950 MHz
Floating-point performance
432.0 gflops
729.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
1,270 million
Pipelines / CUDA cores
480
384
Power consumption (TDP)
26 Watt
50 Watt
Texture fill rate
10.80
30.40
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1600 MHz
5000 MHz
Memory bandwidth
25.6 GB/s
80 GB/s
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126