NVIDIA Tesla K20c: specs and benchmarks

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NVIDIA Tesla K20c
NVIDIA Tesla K20c
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  • Interface PCIe 2.0 x16
  • Core clock speed 706 MHz
  • Max video memory 5 GB
  • Memory type GDDR5
  • Memory clock speed 5200 MHz
  • Maximum resolution
Year of release 2012
Performance  

Summary

NVIDIA started Tesla K20c sales 12 November 2012 at a recommended price of $3,199. This is Kepler architecture desktop card based on 28 nm manufacturing process and primarily aimed at designers. 5 GB of GDDR5 memory clocked at 5.2 GHz are supplied, and together with 320 Bit memory interface this creates a bandwidth of 208.0 GB/s.

Compatibility-wise, this is dual-slot card attached via PCIe 2.0 x16 interface. Its manufacturer default version has a length of 267 mm. One 6-pin and one 8-pin connectors are required, and power consumption is at 225 Watt.

We have no data on Tesla K20c benchmark results.

General info

Of Tesla K20c's architecture, market segment and release date.

Place in performance ratingnot rated
ArchitectureKepler (2012−2018)
GPU code nameGK110
Market segmentWorkstation
Release date12 November 2012 (9 years ago)
Launch price (MSRP)$3,199
Current price$9.99 (0x MSRP)of 49999 (A100 SXM4)

Technical specs

Tesla K20c's general performance parameters such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Tesla K20c's performance, but for precise assessment you have to consider its benchmark and gaming test results.

Pipelines / CUDA cores2496of 18432 (AD102)
Core clock speed706 MHzof 2610 (Radeon RX 6500 XT)
Number of transistors7,080 millionof 14400 (GeForce GTX 1080 SLI Mobile)
Manufacturing process technology28 nmof 4 (GeForce RTX 4080 Ti)
Thermal design power (TDP)225 Wattof 900 (Tesla S2050)
Texture fill rate146.8of 939.8 (H100 SXM5)
Floating-point performance3,524 gflopsof 16384 (Radeon Pro Duo)

Compatibility, dimensions and requirements

Information on Tesla K20c's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16
Length267 mm
Width2-slot
Supplementary power connectors1x 6-pin + 1x 8-pin

Memory

Parameters of memory installed on Tesla K20c: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.

Memory typeGDDR5
Maximum RAM amount5 GBof 128 (Radeon Instinct MI250X)
Memory bus width320 Bitof 8192 (Radeon Instinct MI250X)
Memory clock speed5200 MHzof 21000 (GeForce RTX 3090 Ti)
Memory bandwidth208.0 GB/sof 14400 (Radeon R7 M260)

Video outputs and ports

Types and number of video connectors present on Tesla K20c. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.

Display ConnectorsNo outputs

API support

APIs supported by Tesla K20c, sometimes including their particular versions.

DirectX12 (11_0)
Shader Model5.1
OpenGL4.6
OpenCL1.2
Vulkan1.1.126
CUDA3.5

Benchmark performance

Non-gaming benchmark performance of Tesla K20c. Note that overall benchmark performance is measured in points in 0-100 range.


  • Octane Render OctaneBench

Octane Render OctaneBench

This is a special benchmark measuring graphics card performance in OctaneRender, which is a realistic GPU rendering engine by OTOY Inc., available either as a standalone program, or as a plugin for 3DS Max, Cinema 4D and many other apps. It renders four different static scenes, then compares render times with a reference GPU which is currently GeForce GTX 980. This benchmark has nothing to do with gaming and is aimed at professional 3D graphics artists.

Benchmark coverage: 4%

Tesla K20c 60

Mining hashrates

Cryptocurrency mining performance of Tesla K20c. Usually measured in megahashes per second.

Bitcoin / BTC (SHA256) 179 Mh/s  

AMD equivalent

We believe that the nearest equivalent to Tesla K20c from AMD is Radeon Pro W6400.

AMD Radeon Pro W6400 Radeon Pro W6400
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Similar GPUs

Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.

NVIDIA Tesla K20m Tesla K20m
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Recommended processors

These processors are most commonly used with Tesla K20c according to our statistics.

User rating

Here you can see the user rating of the graphics card, as well as rate it yourself.


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Questions and comments

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