RTX A400 vs A100X

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureAmpere (2020−2022)Ampere (2020−2022)
GPU code nameGA100GA107
Market segmentDesktopDesktop
Release date28 June 2021 (2 years ago)16 April 2024 (less than a year ago)
Current price$52 no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores6912768
Boost clock speed1440 MHz1762 MHz
Number of transistors54,200 million8,700 million
Manufacturing process technology7 nm8 nm
Power consumption (TDP)300 Watt50 Watt
Texture fill rate622.142.29

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 x8PCIe 4.0 x8
Length267 mm163 mm
Width2-slot1-slot
Supplementary power connectors1x 16-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 typeHBM2eGDDR6
Maximum RAM amount80 GB4 GB
Memory bus width5120 Bit64 Bit
Memory clock speed3.2 GB/s12 GB/s
Memory bandwidth2,039 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 ConnectorsNo outputs4x mini-DisplayPort 1.4a

API compatibility

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

DirectXN/A12 Ultimate (12_2)
Shader ModelN/A6.7
OpenGLN/A4.6
OpenCL3.03.0
VulkanN/A1.3
CUDA8.08.6

Pros & cons summary


Recency 28 June 2021 16 April 2024
Maximum RAM amount 80 GB 4 GB
Chip lithography 7 nm 8 nm
Power consumption (TDP) 300 Watt 50 Watt

We couldn't decide between A100X and RTX A400. 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 A100X
A100X
NVIDIA RTX A400
RTX A400

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Community ratings

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Questions & comments

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