Tesla K20c and FirePro W4000 - video card comparison
Tesla K20c
FirePro W4000
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK110
Pitcairn
Market segment
Workstation
Workstation
Release date
November 2012
August 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Core clock speed
706 MHz
825 MHz
Floating-point performance
3,524 gflops
1,267 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
2,800 million
Pipelines / CUDA cores
2496
768
Power consumption (TDP)
225 Watt
75 Watt
Texture fill rate
146.8
39.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
5 GB
2 GB
Memory bus width
320 Bit
256 Bit
Memory clock speed
5200 MHz
3200 MHz
Memory bandwidth
208.0 GB/s
102.4 GB/s
Display Connectors
No outputs
1x DVI, 2x DisplayPort
DirectX
12 (11_0)
12 (11_1)
CUDA
3.5
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131