GeForce GTX 560 Ti and GeForce GT 640M Mac Edition - video card comparison
GeForce GTX 560 Ti
GeForce GT 640M Mac Edition
Architecture
Fermi (2010−2014)
Kepler (2012−2018)
GPU code name
GF114
GK107
Market segment
Desktop
Desktop
Release date
January 2011
February 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
-
Core clock speed
822 MHz
745 MHz
Floating-point performance
1,263.4 gflops
572.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,950 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
170 Watt
32 Watt
Texture fill rate
52.67
23.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
2004 MHz
5000 MHz
Memory bandwidth
128.3 GB/s
40 GB/s
Display Connectors
2x DVI, 1x mini-HDMI
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (11_0)
CUDA
2.1
3.0
OpenCL
1.1
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126