GeForce GTX 660 OEM and Quadro K4000 - video card comparison
GeForce GTX 660 OEM
Quadro K4000
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK104
GK106
Market segment
Desktop
Workstation
Release date
August 2012
March 2013
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Boost clock speed
888 MHz
-
Core clock speed
823 MHz
810 MHz
Floating-point performance
2,046 gflops
1,244 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
2,540 million
Pipelines / CUDA cores
1152
768
Power consumption (TDP)
130 Watt
80 Watt
Texture fill rate
85.25
51.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
5600 MHz
5616 MHz
Memory bandwidth
179.2 GB/s
134.8 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 2x DisplayPort
HDMI
+
-
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
+