Tesla K20X and Radeon R5 A330 - video card comparison
Tesla K20X
Radeon R5 A330
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK110
Exo
Market segment
Workstation
Desktop
Release date
November 2012
October 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Core clock speed
732 MHz
1030 MHz
Floating-point performance
3,935 gflops
659.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
690 million
Pipelines / CUDA cores
2688
320
Power consumption (TDP)
235 Watt
-
Texture fill rate
164.0
20.60
Memory type
GDDR5
DDR3
Maximum RAM amount
6 GB
2 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
5200 MHz
1800 MHz
Memory bandwidth
249.6 GB/s
14.4 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_1)
CUDA
3.5
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.0
Vulkan
1.1.126
1.2.131