T400 4 GB vs Quadro RTX 8000 Passive

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Primary details

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

Place in the rankingnot rated453
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.48
ArchitectureTuring (2018−2022)Turing (2018−2022)
GPU code nameTU102TU117
Market segmentWorkstationWorkstation
Release date13 August 2018 (6 years ago)6 May 2021 (3 years ago)
Launch price (MSRP)$9,999 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 cores4608384
Core clock speed1230 MHz420 MHz
Boost clock speed1620 MHz1425 MHz
Number of transistors18,600 million4,700 million
Manufacturing process technology12 nm12 nm
Power consumption (TDP)260 Watt30 Watt
Texture fill rate466.634.20
Floating-point processing power14.93 TFLOPS1.094 TFLOPS
ROPs9616
TMUs28824
Tensor Cores576no data
Ray Tracing Cores72no 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 3.0 x16PCIe 3.0 x16
Length267 mmno data
Width2-slot1-slot
Supplementary power connectors1x 6-pin + 1x 8-pinNone

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 typeGDDR6GDDR6
Maximum RAM amount48 GB4 GB
Memory bus width384 Bit64 Bit
Memory clock speed1750 MHz1250 MHz
Memory bandwidth672.0 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 Connectors4x DisplayPort, 1x USB Type-C3x mini-DisplayPort

API compatibility

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

DirectX12 Ultimate (12_1)12 (12_1)
Shader Model6.56.6
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.2
CUDA7.57.5

Pros & cons summary


Recency 13 August 2018 6 May 2021
Maximum RAM amount 48 GB 4 GB
Power consumption (TDP) 260 Watt 30 Watt

RTX 8000 Passive has a 1100% higher maximum VRAM amount.

T400 4 GB, on the other hand, has an age advantage of 2 years, and 766.7% lower power consumption.

We couldn't decide between Quadro RTX 8000 Passive 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 Quadro RTX 8000 Passive
Quadro RTX 8000 Passive
NVIDIA T400 4 GB
T400 4 GB

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Community ratings

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3.4 20 votes

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4.1 57 votes

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