GeForce GTX 775M and GeForce GTX 660M - video card comparison
Passmark - benchmark score GeForce GTX 775M vs GeForce GTX 660M
GeForce GTX 775M
3708
GeForce GTX 660M
1478
GeForce GTX 775M
GeForce GTX 660M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
N13E-GTX-A2
N13E-GE
Market segment
Laptop
Laptop
Release date
September 2013
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
-
MXM-B (3.0)
SLI options
+
+
Boost clock speed
-
950 MHz
Core clock speed
719 MHz
835 MHz
CUDA cores
-
384
Floating-point performance
-
729.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3540 Million
1,270 million
Pipelines / CUDA cores
1344
384
Power consumption (TDP)
100 Watt
50 Watt
Texture fill rate
-
30.4 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
3600 MHz
2000 MHz
Memory bandwidth
-
64.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11
12 API
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
Optimus
+
+