T400 4 GB vs Tesla X2090

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Primary details

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

Place in the rankingnot rated452
Place by popularitynot in top-100not in top-100
Power efficiencyno data23.42
ArchitectureFermi 2.0 (2010−2014)Turing (2018−2022)
GPU code nameGF110TU117
Market segmentWorkstationWorkstation
Release date25 July 2011 (13 years ago)6 May 2021 (3 years ago)

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 cores512384
Core clock speed651 MHz420 MHz
Boost clock speedno data1425 MHz
Number of transistors3,000 million4,700 million
Manufacturing process technology40 nm12 nm
Power consumption (TDP)225 Watt30 Watt
Texture fill rate41.6634.20
Floating-point processing power1.332 TFLOPS1.094 TFLOPS
ROPs4816
TMUs6424

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 3.0 x16
WidthMXM Module1-slot
Supplementary power connectorsno dataNone

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 speed924 MHz1250 MHz
Memory bandwidth177.4 GB/s80 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 outputs3x mini-DisplayPort

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
OpenCL1.13.0
VulkanN/A1.2
CUDA2.07.5

Pros & cons summary


Recency 25 July 2011 6 May 2021
Maximum RAM amount 6 GB 4 GB
Chip lithography 40 nm 12 nm
Power consumption (TDP) 225 Watt 30 Watt

Tesla X2090 has a 50% higher maximum VRAM amount.

T400 4 GB, on the other hand, has an age advantage of 9 years, a 233.3% more advanced lithography process, and 650% lower power consumption.

We couldn't decide between Tesla X2090 and T400 4 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 X2090
Tesla X2090
NVIDIA T400 4 GB
T400 4 GB

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

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2.3 3 votes

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4.1 57 votes

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Questions & comments

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