GeForce GTX 660 and Quadro2 MXR - video card comparison
GeForce GTX 660
Quadro2 MXR
Architecture
Kepler (2012−2018)
Celsius (1999−2005)
GPU code name
GK106
NV11 B2
Market segment
Desktop
Workstation
Release date
September 2012
July 2000
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
One 6-pin
None
SLI options
+
-
Boost clock speed
1033 MHz
-
Core clock speed
980 MHz
200 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
180 nm
Number of transistors
2,540 million
20 million
Pipelines / CUDA cores
960
-
Power consumption (TDP)
140 Watt
-
Texture fill rate
78.4 billion/sec
0.8
Memory type
GDDR5
SDR
Maximum RAM amount
2 GB
32 MB
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
183 MHz
Memory bandwidth
144.2 GB/s
2.928 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x VGA
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
7.0
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.3
1.2
Shader Model
5.1
-
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-