GeForce GTX 680MX Mac Edition and Video Xpression+ - video card comparison
GeForce GTX 680MX Mac Edition
Video Xpression+
Architecture
Kepler (2012−2018)
Mach (1992−1997)
GPU code name
GK104
Mach64
Market segment
Desktop
Desktop
Release date
October 2012
May 1996
Interface
PCIe 3.0 x16
PCI
Core clock speed
719 MHz
62 MHz
Floating-point performance
2,209 gflops
-
Manufacturing process technology
28 nm
600 nm
Number of transistors
3,540 million
1 million
Pipelines / CUDA cores
1536
-
Power consumption (TDP)
122 Watt
-
Texture fill rate
92.03
-
Memory type
GDDR5
EDO
Maximum RAM amount
2 GB
2 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
5000 MHz
62 MHz
Memory bandwidth
160.0 GB/s
496.0 MB/s
Display Connectors
No outputs
1x VGA
DirectX
12 (11_0)
N/A
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
N/A
Shader Model
5.1
-
Vulkan
1.1.126
N/A