Arc Pro A40 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 ranking487not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.35no data
Power efficiency2.76no data
ArchitectureKepler (2012−2018)Generation 12.7 (2022−2023)
GPU code nameGK110DG2-128
Market segmentWorkstationWorkstation
Release date12 November 2012 (12 years ago)8 August 2022 (2 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 cores24961024
Core clock speed706 MHz1500 MHz
Boost clock speedno data1700 MHz
Number of transistors7,080 million7,200 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)225 Watt50 Watt
Texture fill rate146.8108.8
Floating-point processing power3.524 TFLOPS3.482 TFLOPS
ROPs4032
TMUs20864
Ray Tracing Coresno data8

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 4.0 x8
Length267 mmno data
Width2-slot1-slot
Supplementary power connectors1x 6-pin + 1x 8-pinNone

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 typeGDDR5GDDR6
Maximum RAM amount5 GB6 GB
Memory bus width320 Bit96 Bit
Memory clock speed1300 MHz2000 MHz
Memory bandwidth208.0 GB/s192.0 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 outputs4x mini-DisplayPort 2.0

API compatibility

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

DirectX12 (11_0)12 Ultimate (12_2)
Shader Model5.16.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA3.5-

Pros & cons summary


Recency 12 November 2012 8 August 2022
Maximum RAM amount 5 GB 6 GB
Chip lithography 28 nm 6 nm
Power consumption (TDP) 225 Watt 50 Watt

Arc Pro A40 has an age advantage of 9 years, a 20% higher maximum VRAM amount, a 366.7% more advanced lithography process, and 350% lower power consumption.

We couldn't decide between Tesla K20c and Arc Pro A40. 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
Intel Arc Pro A40
Arc Pro A40

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.


4.7 12 votes

Rate Tesla K20c on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 12 votes

Rate Arc Pro A40 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.