Tesla V100S PCIe 32 GB vs Tesla K20c

Primary details

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

Place in the ranking486not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.35no data
Power efficiency2.75no data
ArchitectureKepler (2012−2018)Volta (2017−2020)
GPU code nameGK110GV100
Market segmentWorkstationWorkstation
Release date12 November 2012 (12 years ago)26 November 2019 (4 years ago)
Launch price (MSRP)$3,199 no data

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 cores24965120
Core clock speed706 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 rate146.8511.0
Floating-point processing power3.524 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 connectors1x 6-pin + 1x 8-pin2x 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 12 November 2012 26 November 2019
Maximum RAM amount 5 GB 32 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 225 Watt 250 Watt

Tesla K20c has 11.1% lower power consumption.

Tesla V100S PCIe 32 GB, on the other hand, has an age advantage of 7 years, a 540% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between Tesla K20c 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.

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NVIDIA Tesla K20c
Tesla K20c
NVIDIA Tesla V100S PCIe 32 GB
Tesla V100S PCIe 32 GB

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Community ratings

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4.7 12 votes

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3.2 14 votes

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Questions & comments

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