GeForce GTX 660 Rev. 2 and GK104 - video card comparison
GeForce GTX 660 Rev. 2
GK104
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK104
GK104
Market segment
Desktop
Desktop
Release date
September 2014
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1032 MHz
-
Core clock speed
980 MHz
-
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
3,540 million
Pipelines / CUDA cores
960
1536
Power consumption (TDP)
140 Watt
-
Texture fill rate
82.56
-
Memory type
GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
192 Bit
-
Memory clock speed
6008 MHz
-
Memory bandwidth
144.2 GB/s
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
-
HDMI
+
-
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
3.0
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
1.1.126
1.2.175
NVENC
-
1st Gen
PureVideo HD
-
VP5