GeForce GTX 660 OEM and Quadro 4000 - video card comparison
GeForce GTX 660 OEM
Quadro 4000
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
GK104
GF100
Market segment
Desktop
Workstation
Release date
August 2012
November 2010
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
475 MHz
Floating-point performance
2,046 gflops
486.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
3,100 million
Pipelines / CUDA cores
1152
256
Power consumption (TDP)
130 Watt
142 Watt
Texture fill rate
85.25
15.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5600 MHz
2808 MHz
Memory bandwidth
179.2 GB/s
89.86 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
2.0
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A