RTX A2000 12 GB vs Tesla K20X

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Primary details

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

Place in the rankingnot rated141
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data87.77
Power efficiencyno data35.05
ArchitectureKepler (2012−2018)Ampere (2020−2024)
GPU code nameGK110GA106
Market segmentWorkstationWorkstation
Release date12 November 2012 (12 years ago)23 November 2021 (2 years ago)
Launch price (MSRP)$7,699 $449

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 cores26883328
Core clock speed732 MHz562 MHz
Boost clock speedno data1200 MHz
Number of transistors7,080 million12,000 million
Manufacturing process technology28 nm8 nm
Power consumption (TDP)235 Watt70 Watt
Texture fill rate164.0124.8
Floating-point processing power3.935 TFLOPS7.987 TFLOPS
ROPs4848
TMUs224104
Tensor Coresno data104
Ray Tracing Coresno data26

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 4.0 x16
Length267 mm167 mm
Width2-slot2-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 amount6 GB12 GB
Memory bus width384 Bit192 Bit
Memory clock speed1300 MHz1500 MHz
Memory bandwidth249.6 GB/s288.0 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

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
CUDA3.58.6

Pros & cons summary


Recency 12 November 2012 23 November 2021
Maximum RAM amount 6 GB 12 GB
Chip lithography 28 nm 8 nm
Power consumption (TDP) 235 Watt 70 Watt

RTX A2000 12 GB has an age advantage of 9 years, a 100% higher maximum VRAM amount, a 250% more advanced lithography process, and 235.7% lower power consumption.

We couldn't decide between Tesla K20X and RTX A2000 12 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 K20X
Tesla K20X
NVIDIA RTX A2000 12 GB
RTX A2000 12 GB

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Community ratings

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Questions & comments

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