Tahiti and GeForce GTX 660M Mac Edition - video card comparison
Tahiti
GeForce GTX 660M Mac Edition
Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)
GPU code name
Tahiti
GK107
Market segment
Desktop
Desktop
Release date
-
April 2013
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
Core clock speed
-
950 MHz
Floating-point performance
-
729.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
1,270 million
Pipelines / CUDA cores
2048
384
Power consumption (TDP)
-
50 Watt
Texture fill rate
-
30.40
Memory type
-
GDDR5
Maximum RAM amount
-
512 MB
Memory bus width
-
128 Bit
Memory clock speed
-
5000 MHz
Memory bandwidth
-
80 GB/s
Display Connectors
-
No outputs
DirectX
12 (11_1)
12 (11_0)
CUDA
-
3.0
OpenCL
2.1 (1.2)
1.2
OpenGL
4.6
4.6
Shader Model
6.5 (5.1)
5.1
Vulkan
1.2.170
1.1.126