GeForce GTX 660M and Quadro P620 - video card comparison
Passmark - benchmark score GeForce GTX 660M vs Quadro P620
GeForce GTX 660M
1478
Quadro P620
3742
GeForce GTX 660M
Quadro P620
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
N13E-GE
GP107
Market segment
Laptop
Workstation
Release date
March 2012
May 2019
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
None
SLI options
+
-
Boost clock speed
950 MHz
1442 MHz
Core clock speed
835 MHz
1177 MHz
CUDA cores
384
-
Floating-point performance
729.6 gflops
1,490 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
3,300 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
50 Watt
25 Watt
Texture fill rate
30.4 billion/sec
43.33
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128bit
128 Bit
Memory clock speed
2000 MHz
6000 MHz
Memory bandwidth
64.0 GB/s
80.13 GB/s
Shared memory
-
-
Display Connectors
No outputs
4x mini-DisplayPort
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (12_1)
CUDA
+
6.1
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131
Optimus
+
-