RTX A3000 Mobile 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 ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)Ampere (2020−2024)
GPU code nameGK110GA104
Market segmentWorkstationMobile workstation
Release date12 November 2012 (11 years ago)12 April 2021 (3 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 cores26884096
Core clock speed732 MHz495 MHz
Boost clock speedno data1170 MHz
Number of transistors7,080 million17,400 million
Manufacturing process technology28 nm8 nm
Power consumption (TDP)235 Watt70 Watt
Texture fill rate164.0149.8
Floating-point processing power3.935 TFLOPS9.585 TFLOPS
ROPs4864
TMUs224128
Tensor Coresno data128
Ray Tracing Coresno data32

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 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pin + 1x 8-pinno data

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 MHz1750 MHz
Memory bandwidth249.6 GB/s336.0 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 outputsPortable Device Dependent

API compatibility

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

DirectX12 (11_0)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA3.58.6

Pros & cons summary


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

RTX A3000 Mobile 12 GB has an age advantage of 8 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 A3000 Mobile 12 GB. We've got no test results to judge.

Be aware that Tesla K20X is a workstation card while RTX A3000 Mobile 12 GB is a mobile workstation one.


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 A3000 Mobile 12 GB
RTX A3000 Mobile 12 GB

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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