GeForce GTX 660 Rev. 2 and GeForce GT 120M Mac Edition - video card comparison
GeForce GTX 660 Rev. 2
GeForce GT 120M Mac Edition
Architecture
Kepler (2012−2018)
Tesla (2006−2010)
GPU code name
GK104
G96C
Market segment
Desktop
Desktop
Release date
September 2014
December 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1032 MHz
-
Core clock speed
980 MHz
500 MHz
Floating-point performance
1,981 gflops
80 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
3,540 million
314 million
Pipelines / CUDA cores
960
32
Power consumption (TDP)
140 Watt
14 Watt
Texture fill rate
82.56
8.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
192 Bit
128 Bit
Memory clock speed
6008 MHz
1584 MHz
Memory bandwidth
144.2 GB/s
25.34 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
11.1 (10_0)
CUDA
3.0
1.1
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A