Tesla K80 and Tesla K8 - video card comparison
Tesla K80
Tesla K8
Architecture
Kepler 2.0 (2013−2015)
Kepler (2012−2018)
GPU code name
GK210
GK104
Market segment
Workstation
Workstation
Release date
November 2014
September 2014
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Boost clock speed
824 MHz
811 MHz
Core clock speed
562 MHz
693 MHz
Floating-point performance
-
2,491 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,100 million
3,540 million
Pipelines / CUDA cores
2496
1536
Power consumption (TDP)
300 Watt
100 Watt
Texture fill rate
171.4
103.8
Memory type
GDDR5
GDDR5
Maximum RAM amount
12 GB
8 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
5012 MHz
5000 MHz
Memory bandwidth
240.6 GB/s
160.0 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_0)
CUDA
3.7
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126