T550 Mobile 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 rated394
Place by popularitynot in top-100not in top-100
Power efficiencyno data37.88
ArchitectureKepler (2012−2018)Turing (2018−2022)
GPU code nameGK110TU117
Market segmentWorkstationMobile workstation
Release date12 November 2012 (12 years ago)May 2022 (2 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 cores26881024
Core clock speed732 MHz1065 MHz
Boost clock speedno data1665 MHz
Number of transistors7,080 million4,700 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)235 Watt23 Watt
Texture fill rate164.0106.6
Floating-point processing power3.935 TFLOPS3.41 TFLOPS
ROPs4832
TMUs22464

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).

Laptop sizeno datamedium sized
InterfacePCIe 3.0 x16PCIe 3.0 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 GB4 GB
Memory bus width384 Bit64 Bit
Memory clock speed1300 MHz1500 MHz
Memory bandwidth249.6 GB/s96 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (11_0)12 (12_1)
Shader Model5.16.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA3.57.5

Pros & cons summary


Maximum RAM amount 6 GB 4 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 235 Watt 23 Watt

Tesla K20X has a 50% higher maximum VRAM amount.

T550 Mobile, on the other hand, has a 133.3% more advanced lithography process, and 921.7% lower power consumption.

We couldn't decide between Tesla K20X and T550 Mobile. We've got no test results to judge.

Be aware that Tesla K20X is a workstation card while T550 Mobile 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 T550 Mobile
T550 Mobile

Comparisons with similar GPUs

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Community ratings

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3.2 51 vote

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3 25 votes

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Questions & comments

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