RTX A400 vs RTX A4000 Max-Q

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Primary details

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

Place in the rankingnot rated417
Place by popularitynot in top-100not in top-100
Power efficiencyno data15.58
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA104GA107
Market segmentMobile workstationWorkstation
Release date12 April 2021 (3 years ago)16 April 2024 (less than a year 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 cores5120768
Core clock speed780 MHz727 MHz
Boost clock speed1395 MHz1762 MHz
Number of transistors17,400 million8,700 million
Manufacturing process technology8 nm8 nm
Power consumption (TDP)80 Watt50 Watt
Texture fill rate223.242.29
Floating-point processing power14.28 TFLOPS2.706 TFLOPS
ROPs8016
TMUs16024
Tensor Cores16024
Ray Tracing Cores406

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 4.0 x16PCIe 4.0 x8
Lengthno data163 mm
Widthno data1-slot
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 typeGDDR6GDDR6
Maximum RAM amount8 GB4 GB
Memory bus width256 Bit64 Bit
Memory clock speed1375 MHz1500 MHz
Memory bandwidth352.0 GB/s96 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 ConnectorsPortable Device Dependent4x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.3
CUDA8.68.6

Pros & cons summary


Recency 12 April 2021 16 April 2024
Maximum RAM amount 8 GB 4 GB
Power consumption (TDP) 80 Watt 50 Watt

RTX A4000 Max-Q has a 100% higher maximum VRAM amount.

RTX A400, on the other hand, has an age advantage of 3 years, and 60% lower power consumption.

We couldn't decide between RTX A4000 Max-Q and RTX A400. We've got no test results to judge.

Be aware that RTX A4000 Max-Q is a mobile workstation card while RTX A400 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 RTX A4000 Max-Q
RTX A4000 Max-Q
NVIDIA RTX A400
RTX A400

Comparisons with similar GPUs

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Community ratings

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5 1 vote

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3.3 11 votes

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Questions & comments

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