GeForce GTX 680 and GeForce 805A - video card comparison
GeForce GTX 680
GeForce 805A
Architecture
Kepler (2012−2018)
Kepler 2.0 (2013−2015)
GPU code name
GK104
GK208
Market segment
Desktop
Desktop
Release date
March 2012
July 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
1058 MHz
758 MHz
Core clock speed
1006 MHz
719 MHz
CUDA cores
1536
-
Floating-point performance
3,090.4 gflops
297.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
915 million
Pipelines / CUDA cores
1536
192
Power consumption (TDP)
195 Watt
15 Watt
Texture fill rate
128.8 billion/sec
12.13
Memory type
GDDR5
DDR3
Maximum RAM amount
2048 MB
1 GB
Memory bus width
256-bit GDDR5
64 Bit
Memory clock speed
6000 MHz
2002 MHz
Memory bandwidth
192.2 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
3.5
OpenCL
1.2
1.2
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126