GeForce GTX 680 and M28 - video card comparison
GeForce GTX 680
M28
Architecture
Kepler (2012−2018)
R400 (2004−2008)
GPU code name
GK104
M28
Market segment
Desktop
Desktop
Release date
March 2012
-
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
1058 MHz
-
Core clock speed
1006 MHz
-
CUDA cores
1536
-
Floating-point performance
3,090.4 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
3,540 million
160 million
Pipelines / CUDA cores
1536
-
Power consumption (TDP)
195 Watt
-
Texture fill rate
128.8 billion/sec
-
Memory type
GDDR5
-
Maximum RAM amount
2048 MB
-
Memory bus width
256-bit GDDR5
-
Memory clock speed
6000 MHz
-
Memory bandwidth
192.2 GB/s
-
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
-
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
9.0b (9_2)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.2
2.1
Shader Model
5.1
-
Vulkan
1.1.126
N/A