Tesla V100 PCIe vs Tesla K20X

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 date12 November 2012 (12 years ago)21 June 2017 (7 years ago)
Launch price (MSRP)$7,699 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 cores26885120
Core clock speed732 MHz1246 MHz
Boost clock speedno data1380 MHz
Number of transistors7,080 million21,100 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)235 Watt250 Watt
Texture fill rate164.0441.6
Floating-point processing power3.935 TFLOPSno data
ROPs48128
TMUs224320

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 3.0 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 amount6 GB16 GB
Memory bus width384 Bit4096 Bit
Memory clock speed1300 MHz1758 MHz
Memory bandwidth249.6 GB/s900.1 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)12.0
Shader Model5.15.0
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.1.126-
CUDA3.57.0

Pros & cons summary


Recency 12 November 2012 21 June 2017
Maximum RAM amount 6 GB 16 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 235 Watt 250 Watt

Tesla K20X has 6.4% lower power consumption.

Tesla V100 PCIe, on the other hand, has an age advantage of 4 years, a 166.7% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between Tesla K20X and Tesla V100 PCIe. 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 K20X
Tesla K20X
NVIDIA Tesla V100 PCIe
Tesla V100 PCIe

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Community ratings

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3.2 51 vote

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3.9 114 votes

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Questions & comments

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