Tesla K20X and Tesla C1060 - video card comparison
Tesla K20X
Tesla C1060
Architecture
Kepler (2012−2018)
Tesla 2.0 (2007−2013)
GPU code name
GK110
GT200B
Market segment
Workstation
Workstation
Release date
November 2012
April 2009
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Core clock speed
732 MHz
610 MHz
Floating-point performance
3,935 gflops
622.1 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
7,080 million
1,400 million
Pipelines / CUDA cores
2688
240
Power consumption (TDP)
235 Watt
188 Watt
Texture fill rate
164.0
48.80
Memory type
GDDR5
GDDR3
Maximum RAM amount
6 GB
4 GB
Memory bus width
384 Bit
512 Bit
Memory clock speed
5200 MHz
1600 MHz
Memory bandwidth
249.6 GB/s
102.4 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
11.1 (10_0)
CUDA
3.5
1.3
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A