GeForce GTX 660 and Tesla C1080 - video card comparison
GeForce GTX 660
Tesla C1080
Architecture
Kepler (2012−2018)
Tesla 2.0 (2007−2013)
GPU code name
GK106
GT200B
Market segment
Desktop
Workstation
Release date
September 2012
April 2009
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1033 MHz
-
Core clock speed
980 MHz
610 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,540 million
1,400 million
Pipelines / CUDA cores
960
240
Power consumption (TDP)
140 Watt
188 Watt
Texture fill rate
78.4 billion/sec
48.80
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
192-bit GDDR5
512 Bit
Memory clock speed
6.0 GB/s
1600 MBps
Memory bandwidth
144.2 GB/s
102.4 GB/s
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)
11.1 (10_0)
CUDA
+
1.3
OpenCL
1.2
1.1
OpenGL
4.3
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-