GeForce GTX 780M Mac Edition and GeForce GT 440 - video card comparison
GeForce GTX 780M Mac Edition
GeForce GT 440
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
GK104
GF108
Market segment
Desktop
Desktop
Release date
November 2013
February 2011
Bus support
-
PCI-E 2.0 x 16
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
797 MHz
-
Core clock speed
771 MHz
810 MHz
CUDA cores
-
96
Floating-point performance
2,448 gflops
311.04 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
585 million
Pipelines / CUDA cores
1536
96
Power consumption (TDP)
122 Watt
65 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
102.0
13.0 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
512 MB GDDR5 or 1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
1600 MHz (GDDR5) or 900 MHz (DDR3)
Memory bandwidth
160.0 GB/s
28.8 (DDR3) – 51.2 (GDDR5)
Standard memory config per GPU
-
1 GB GDDR5 or 2 GB
Display Connectors
No outputs
HDMIVGADual Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
+
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A