GeForce GTX 660 and Quadro K620 - video card comparison
Passmark - benchmark score GeForce GTX 660 vs Quadro K620
GeForce GTX 660
4119
Quadro K620
2297
GeForce GTX 660
Quadro K620
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
GK106
GM107
Market segment
Desktop
Workstation
Release date
September 2012
July 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
None
SLI options
+
-
Boost clock speed
1033 MHz
1124 MHz
Core clock speed
980 MHz
1058 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
1,870 million
Pipelines / CUDA cores
960
384
Power consumption (TDP)
140 Watt
41 Watt
Texture fill rate
78.4 billion/sec
26.98
Memory type
GDDR5
128 Bit
Maximum RAM amount
2 GB
2 GB
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
1800 MHz
Memory bandwidth
144.2 GB/s
Up to 29 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
DVI-I DP
Number of simultaneous displays
-
4
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12
CUDA
+
5.0
OpenCL
1.2
1.2
OpenGL
4.3
4.5
Shader Model
5.1
5
Vulkan
1.1.126
+
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+