T400 4 GB vs Tegra X1 GPU

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Primary details

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

Place in the rankingnot rated456
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.74
ArchitectureMaxwell 2.0 (2014−2019)Turing (2018−2022)
GPU code nameGM20BTU117
Market segmentLaptopWorkstation
Release date4 January 2015 (9 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 cores256384
Core clock speed1000 MHz420 MHz
Boost clock speedno data1425 MHz
Number of transistors2,000 million4,700 million
Manufacturing process technology20 nm12 nm
Power consumption (TDP)15 Watt30 Watt
Texture fill rate16.0034.20
Floating-point processing power0.512 TFLOPS1.094 TFLOPS
ROPs1616
TMUs1624

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).

InterfaceIGPPCIe 3.0 x16
Widthno data1-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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared1250 MHz
Memory bandwidthno data80 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 outputs3x mini-DisplayPort

API compatibility

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

DirectX12 (12_1)12 (12_1)
Shader Model6.46.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.11.2
CUDA5.37.5

Pros & cons summary


Recency 4 January 2015 6 May 2021
Chip lithography 20 nm 12 nm
Power consumption (TDP) 15 Watt 30 Watt

Tegra X1 GPU has 100% lower power consumption.

T400 4 GB, on the other hand, has an age advantage of 6 years, and a 66.7% more advanced lithography process.

We couldn't decide between Tegra X1 GPU and T400 4 GB. We've got no test results to judge.

Be aware that Tegra X1 GPU is a notebook card while T400 4 GB 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 Tegra X1 GPU
Tegra X1 GPU
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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3.1 24 votes

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4.1 57 votes

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Questions & comments

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