GeForce GTX 660 and GeForce GTX 775M - video card comparison
Passmark - benchmark score GeForce GTX 660 vs GeForce GTX 775M
GeForce GTX 660
4119
GeForce GTX 775M
3708
GeForce GTX 660
GeForce GTX 775M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK106
N13E-GTX-A2
Market segment
Desktop
Laptop
Release date
September 2012
September 2013
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
One 6-pin
-
SLI options
+
+
Boost clock speed
1033 MHz
-
Core clock speed
980 MHz
719 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
3540 Million
Pipelines / CUDA cores
960
1344
Power consumption (TDP)
140 Watt
100 Watt
Texture fill rate
78.4 billion/sec
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
192-bit GDDR5
256 Bit
Memory clock speed
6.0 GB/s
3600 MHz
Memory bandwidth
144.2 GB/s
-
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
-
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11
CUDA
+
+
OpenCL
1.2
-
OpenGL
4.3
-
Shader Model
5.1
-
Vulkan
1.1.126
-
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
Optimus
-
+