GRID K100 vs Tesla K20c

#ad 
Buy on Amazon
VS

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking488not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.34no data
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK110GK107
Market segmentWorkstationWorkstation
Release date12 November 2012 (11 years ago)28 June 2013 (11 years ago)
Launch price (MSRP)$3,199 $63

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores2496192
Core clock speed706 MHz850 MHz
Number of transistors7,080 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)225 Watt130 Watt
Texture fill rate146.813.60
Floating-point processing power3.524 TFLOPS0.3264 TFLOPS
ROPs4016
TMUs20816

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16PCIe 3.0 x16
Length267 mmno data
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pinno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5DDR3
Maximum RAM amount5 GB256 MB
Memory bus width320 Bit128 Bit
Memory clock speed5200 MHz1782 MHz
Memory bandwidth208.0 GB/s28.51 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA3.53.0

Pros & cons summary


Recency 12 November 2012 28 June 2013
Maximum RAM amount 5 GB 256 MB
Power consumption (TDP) 225 Watt 130 Watt

Tesla K20c has a 1900% higher maximum VRAM amount.

GRID K100, on the other hand, has an age advantage of 7 months, and 73.1% lower power consumption.

We couldn't decide between Tesla K20c and GRID K100. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA Tesla K20c
Tesla K20c
NVIDIA GRID K100
GRID K100

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.6 11 votes

Rate Tesla K20c on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate GRID K100 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.