GeForce GTX 560M and GeForce GT 645M - video card comparison
Passmark - benchmark score GeForce GTX 560M vs GeForce GT 645M
GeForce GTX 560M
1281
GeForce GT 645M
957
GeForce GTX 560M
GeForce GT 645M
Architecture
Fermi (2010−2014)
Kepler (2012−2018)
GPU code name
N12E-GS
N13P-GS
Market segment
Laptop
Laptop
Release date
May 2011
March 2012
Bus support
PCI-E 2.0
PCI Express 2.0, PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
SLI options
2-way
-
Core clock speed
775 MHz
Up to 710 MHz
CUDA cores
192
384
Floating-point performance
595.2 gflops
544.5 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,170 million
1,270 million
Pipelines / CUDA cores
192
384
Power consumption (TDP)
75 Watt
32 Watt
Texture fill rate
24.8 billion/sec
22.7 billion/sec
Memory type
GDDR5
DDR3\GDDR5
Maximum RAM amount
1536 MB
2 GB
Memory bus width
Up to 192 Bit
128bit
Memory clock speed
1250 MHz
1800 MHz
Memory bandwidth
Up to 60 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
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
N/A
1.1.126
3D Blu-Ray
+
+
3D Gaming
+
-
Optimus
+
+