GeForce GTX 560M and GeForce GT 640 - video card comparison
Passmark - benchmark score GeForce GTX 560M vs GeForce GT 640
GeForce GTX 560M
1281
GeForce GT 640
1210
GeForce GTX 560M
GeForce GT 640
Architecture
Fermi (2010−2014)
Kepler (2012−2018)
GPU code name
N12E-GS
GK107
Market segment
Laptop
Desktop
Release date
May 2011
June 2012
Bus support
PCI-E 2.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
None
SLI options
2-way
-
Core clock speed
775 MHz
902 MHz
CUDA cores
192
-
Floating-point performance
595.2 gflops
692.7 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
65 Watt
Texture fill rate
24.8 billion/sec
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
1536 MB
2 GB
Memory bus width
Up to 192 Bit
128 Bit
Memory clock speed
1250 MHz
1782 MHz
Memory bandwidth
Up to 60 GB/s
28.51 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 API
12 (11_0)
CUDA
+
3.0
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-