GeForce GTX 680 Mac Edition and GeForce2 MX 400 PCI - video card comparison
GeForce GTX 680 Mac Edition
GeForce2 MX 400 PCI
Architecture
Kepler (2012−2018)
Celsius (1999−2005)
GPU code name
GK104
NV11 B2
Market segment
Desktop
Desktop
Release date
April 2013
March 2001
Interface
PCIe 2.0 x16
PCI
Supplementary power connectors
2x 6-pin
None
Boost clock speed
1058 MHz
-
Core clock speed
1006 MHz
200 MHz
Floating-point performance
3,250 gflops
-
Manufacturing process technology
28 nm
180 nm
Number of transistors
3,540 million
20 million
Pipelines / CUDA cores
1536
-
Power consumption (TDP)
195 Watt
-
Texture fill rate
135.4
0.8
Memory type
GDDR5
DDR
Maximum RAM amount
2 GB
32 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
6008 MHz
332 MHz
Memory bandwidth
192.3 GB/s
2.656 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x VGA
HDMI
+
-
DirectX
12 (11_0)
7.0
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
1.2
Shader Model
5.1
-
Vulkan
1.1.126
N/A