RTX A400 vs A800 PCIe 80 GB

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Primary details

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

Place in the rankingnot rated406
Place by popularitynot in top-100not in top-100
Power efficiencyno data16.62
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA100GA107
Market segmentWorkstationWorkstation
Release date8 November 2022 (2 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 cores6912768
Core clock speed1065 MHz727 MHz
Boost clock speed1410 MHz1762 MHz
Number of transistors54,200 million8,700 million
Manufacturing process technology7 nm8 nm
Power consumption (TDP)250 Watt50 Watt
Texture fill rate609.142.29
Floating-point processing power19.49 TFLOPS2.706 TFLOPS
ROPs16016
TMUs43224
Tensor Cores43224
Ray Tracing Coresno data6

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
Length267 mm163 mm
Width2-slot1-slot
Supplementary power connectors8-pin EPSNone

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 speed1512 MHz1500 MHz
Memory bandwidth1,935 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 3D 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 8 November 2022 16 April 2024
Maximum RAM amount 80 GB 4 GB
Chip lithography 7 nm 8 nm
Power consumption (TDP) 250 Watt 50 Watt

A800 PCIe 80 GB has a 1900% higher maximum VRAM amount, and a 14.3% more advanced lithography process.

RTX A400, on the other hand, has an age advantage of 1 year, and 400% lower power consumption.

We couldn't decide between A800 PCIe 80 GB 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 A800 PCIe 80 GB
A800 PCIe 80 GB
NVIDIA RTX A400
RTX A400

Comparisons with similar GPUs

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Community ratings

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3.9 7 votes

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2.9 15 votes

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Questions & comments

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