Tesla K20X vs GeForce RTX 3090

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Primary details

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

Place in the ranking24not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation14.92no data
Power efficiency13.58no data
ArchitectureAmpere (2020−2024)Kepler (2012−2018)
GPU code nameGA102GK110
Market segmentDesktopWorkstation
Release date1 September 2020 (4 years ago)12 November 2012 (12 years ago)
Launch price (MSRP)$1,499 $7,699

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 cores104962688
Core clock speed1395 MHz732 MHz
Boost clock speed1695 MHzno data
Number of transistors28,300 million7,080 million
Manufacturing process technology8 nm28 nm
Power consumption (TDP)350 Watt235 Watt
Texture fill rate556.0164.0
Floating-point processing power35.58 TFLOPS3.935 TFLOPS
ROPs11248
TMUs328224
Tensor Cores328no data
Ray Tracing Cores82no data

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 4.0 x16PCIe 3.0 x16
Length336 mm267 mm
Width3-slot2-slot
Supplementary power connectors1x 12-pin1x 6-pin + 1x 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 typeGDDR6XGDDR5
Maximum RAM amount24 GB6 GB
Memory bus width384 Bit384 Bit
Memory clock speed1219 MHz1300 MHz
Memory bandwidth936.2 GB/s249.6 GB/s
Shared memory--

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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)12 (11_0)
Shader Model6.55.1
OpenGL4.64.6
OpenCL2.01.2
Vulkan1.21.1.126
CUDA8.53.5

Pros & cons summary


Recency 1 September 2020 12 November 2012
Maximum RAM amount 24 GB 6 GB
Chip lithography 8 nm 28 nm
Power consumption (TDP) 350 Watt 235 Watt

RTX 3090 has an age advantage of 7 years, a 300% higher maximum VRAM amount, and a 250% more advanced lithography process.

Tesla K20X, on the other hand, has 48.9% lower power consumption.

We couldn't decide between GeForce RTX 3090 and Tesla K20X. We've got no test results to judge.

Be aware that GeForce RTX 3090 is a desktop card while Tesla K20X is a 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 GeForce RTX 3090
GeForce RTX 3090
NVIDIA Tesla K20X
Tesla K20X

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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