GeForce GTX 660 OEM and GeForce GTX 660M - video card comparison
GeForce GTX 660 OEM
GeForce GTX 660M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK104
N13E-GE
Market segment
Desktop
Laptop
Release date
August 2012
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin
-
SLI options
-
+
Boost clock speed
888 MHz
950 MHz
Core clock speed
823 MHz
835 MHz
CUDA cores
-
384
Floating-point performance
2,046 gflops
729.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,270 million
Pipelines / CUDA cores
1152
384
Power consumption (TDP)
130 Watt
50 Watt
Texture fill rate
85.25
30.4 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
5600 MHz
2000 MHz
Memory bandwidth
179.2 GB/s
64.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (11_0)
12 API
CUDA
3.0
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
Optimus
-
+