GeForce GTX 660 and Quadro P620 - video card comparison
Passmark - benchmark score GeForce GTX 660 vs Quadro P620
GeForce GTX 660
4119
Quadro P620
3742
GeForce GTX 660
Quadro P620
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK106
GP107
Market segment
Desktop
Workstation
Release date
September 2012
May 2019
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
None
SLI options
+
-
Boost clock speed
1033 MHz
1442 MHz
Core clock speed
980 MHz
1177 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
1,490 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
2,540 million
3,300 million
Pipelines / CUDA cores
960
512
Power consumption (TDP)
140 Watt
25 Watt
Texture fill rate
78.4 billion/sec
43.33
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
6000 MHz
Memory bandwidth
144.2 GB/s
80.13 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
4x mini-DisplayPort
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_1)
CUDA
+
6.1
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-