GeForce RTX 4090 Max-Q vs Quadro P400

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Primary details

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

Place in the ranking672not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.10no data
Power efficiency10.25no data
ArchitecturePascal (2016−2021)Ada Lovelace (2022−2024)
GPU code nameGP107AD103
Market segmentWorkstationLaptop
Release date7 February 2017 (7 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$119.99 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores2569728
Core clock speed1228 MHz930 MHz
Boost clock speed1252 MHz1455 MHz
Number of transistors3,300 million45,900 million
Manufacturing process technology14 nm4 nm
Power consumption (TDP)30 Watt80 Watt
Texture fill rate20.03442.3
Floating-point processing power0.641 TFLOPS28.31 TFLOPS
ROPs16112
TMUs16304
Tensor Coresno data304
Ray Tracing Coresno data76

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 4.0 x16
Length145 mmno data
Width1-slotno data
Supplementary power connectorsNoneNone

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 amount2 GB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed1002 MHz1750 MHz
Memory bandwidth32.06 GB/s448.0 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 Connectors3x mini-DisplayPortPortable Device Dependent

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.2.1311.3
CUDA6.18.9

Pros & cons summary


Recency 7 February 2017 3 January 2023
Maximum RAM amount 2 GB 16 GB
Chip lithography 14 nm 4 nm
Power consumption (TDP) 30 Watt 80 Watt

Quadro P400 has 166.7% lower power consumption.

RTX 4090 Max-Q, on the other hand, has an age advantage of 5 years, a 700% higher maximum VRAM amount, and a 250% more advanced lithography process.

We couldn't decide between Quadro P400 and GeForce RTX 4090 Max-Q. We've got no test results to judge.

Be aware that Quadro P400 is a workstation card while GeForce RTX 4090 Max-Q is a notebook 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 Quadro P400
Quadro P400
NVIDIA GeForce RTX 4090 Max-Q
GeForce RTX 4090 Max-Q

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.1 483 votes

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3.4 144 votes

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Questions & comments

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