GeForce GTX 660 OEM and GeForce GTX 960 OEM - video card comparison
GeForce GTX 660 OEM
GeForce GTX 960 OEM
Architecture
Kepler (2012−2018)
Maxwell 2.0 (2015−2019)
GPU code name
GK104
GM206
Market segment
Desktop
Desktop
Release date
August 2012
November 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
888 MHz
1201 MHz
Core clock speed
823 MHz
924 MHz
Floating-point performance
2,046 gflops
2,460 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
2,940 million
Pipelines / CUDA cores
1152
1024
Power consumption (TDP)
130 Watt
-
Texture fill rate
85.25
76.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5600 MHz
7012 MHz
Memory bandwidth
179.2 GB/s
112.2 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
5.2
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1.126