GeForce 920MX and GeForce GTX 660 Rev. 2 - video card comparison
GeForce 920MX
GeForce GTX 660 Rev. 2
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
N16V-GMR
GK104
Market segment
Laptop
Desktop
Release date
March 2015
September 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
993 MHz
1032 MHz
Core clock speed
965 MHz
980 MHz
Floating-point performance
602.1 gflops
1,981 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
3,540 million
Pipelines / CUDA cores
256
960
Power consumption (TDP)
16 Watt
140 Watt
Texture fill rate
23.83
82.56
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
1800 MHz
6008 MHz
Memory bandwidth
14.4 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (11_0)
12 (11_0)
CUDA
+
3.0
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-