T400 4 GB vs Tesla M4

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Primary details

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

Place in the rankingnot rated458
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.41
ArchitectureMaxwell 2.0 (2014−2019)Turing (2018−2022)
GPU code nameGM206TU117
Market segmentWorkstationWorkstation
Release date10 November 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 cores1024384
Core clock speed872 MHz420 MHz
Boost clock speed1072 MHz1425 MHz
Number of transistors2,940 million4,700 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)50 Watt30 Watt
Texture fill rate68.6134.20
Floating-point processing power2.195 TFLOPS1.094 TFLOPS
ROPs3216
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 3.0 x16PCIe 3.0 x16
Width1-slot1-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 amount4 GB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed1375 MHz1250 MHz
Memory bandwidth88 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 (12_1)12 (12_1)
Shader Model6.46.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.2
CUDA5.27.5

Pros & cons summary


Recency 10 November 2015 6 May 2021
Chip lithography 28 nm 12 nm
Power consumption (TDP) 50 Watt 30 Watt

T400 4 GB has an age advantage of 5 years, a 133.3% more advanced lithography process, and 66.7% lower power consumption.

We couldn't decide between Tesla M4 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 M4
Tesla M4
NVIDIA T400 4 GB
T400 4 GB

Comparisons with similar GPUs

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Community ratings

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4.1 57 votes

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