GeForce GTX 660M and GeForce GT 745M - video card comparison
Passmark - benchmark score GeForce GTX 660M vs GeForce GT 745M
GeForce GTX 660M
1478
GeForce GT 745M
1125
GeForce GTX 660M
GeForce GT 745M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
N13E-GE
N14P-LP/GS
Market segment
Laptop
Laptop
Release date
March 2012
April 2013
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
SLI options
+
-
Boost clock speed
950 MHz
-
Core clock speed
835 MHz
837 MHz
CUDA cores
384
-
Floating-point performance
729.6 gflops
642.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
50 Watt
45 Watt
Texture fill rate
30.4 billion/sec
17.57
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128bit
128 Bit
Memory clock speed
2000 MHz
1800 MHz
Memory bandwidth
64.0 GB/s
64 GB/s
Shared memory
-
-
Standard memory configuration
-
DDR3/GDDR5
Display Connectors
No outputs
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
+
+
7.1 channel HD audio on HDMI
-
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Vision / 3DTV Play
-
+
Blu-Ray 3D Support
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
-
+