Tesla V100S PCIe 32 GB vs Tesla K20s

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)Volta (2017−2020)
GPU code nameGK110GV100
Market segmentWorkstationWorkstation
Release date18 February 2013 (11 years ago)26 November 2019 (4 years ago)
Launch price (MSRP)$3,199 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 cores24965120
Core clock speed575 MHz1245 MHz
Boost clock speedno data1597 MHz
Number of transistors7,080 million21,100 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)225 Watt250 Watt
Texture fill rate119.6511.0
Floating-point processing power2.87 TFLOPS16.35 TFLOPS
ROPs40128
TMUs208320
Tensor Coresno data640

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 connectorsno data2x 8-pin

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 typeGDDR5HBM2
Maximum RAM amount5 GB32 GB
Memory bus width320 Bit4096 Bit
Memory clock speed1300 MHz1106 MHz
Memory bandwidth208.0 GB/s1,133 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 (12_1)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.2.131
CUDA3.57.0

Pros & cons summary


Recency 18 February 2013 26 November 2019
Maximum RAM amount 5 GB 32 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 225 Watt 250 Watt

Tesla K20s has 11.1% lower power consumption.

Tesla V100S PCIe 32 GB, on the other hand, has an age advantage of 6 years, a 540% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between Tesla K20s and Tesla V100S PCIe 32 GB. 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 K20s
Tesla K20s
NVIDIA Tesla V100S PCIe 32 GB
Tesla V100S PCIe 32 GB

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.


5 1 vote

Rate Tesla K20s on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 14 votes

Rate Tesla V100S PCIe 32 GB 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.