Tesla K20X and FirePro V7800 - video card comparison
Tesla K20X
FirePro V7800
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK110
Cypress
Market segment
Workstation
Workstation
Release date
November 2012
April 2010
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Core clock speed
732 MHz
700 MHz
Floating-point performance
3,935 gflops
2,016.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
7,080 million
2,154 million
Pipelines / CUDA cores
2688
1440
Power consumption (TDP)
235 Watt
150 Watt
Texture fill rate
164.0
50.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
2 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
5200 MHz
4000 MHz
Memory bandwidth
249.6 GB/s
128.0 GB/s
Display Connectors
No outputs
1x DVI, 2x DisplayPort
DirectX
12 (11_0)
11.2 (11_0)
CUDA
3.5
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A