A100 PCIe 40 GB vs A800 PCIe 40 GB

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA100GA100
Market segmentWorkstationWorkstation
Release date8 November 2022 (2 years ago)22 June 2020 (4 years 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 cores69126912
Core clock speed765 MHz765 MHz
Boost clock speed1410 MHz1410 MHz
Number of transistors54,200 million54,200 million
Manufacturing process technology7 nm7 nm
Power consumption (TDP)250 Watt250 Watt
Texture fill rate609.1609.1
Floating-point processing power19.49 TFLOPS19.49 TFLOPS
ROPs160160
TMUs432432
Tensor Cores432432

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 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors8-pin EPS8-pin EPS

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 typeHBM2eHBM2e
Maximum RAM amount40 GB40 GB
Memory bus width5120 Bit5120 Bit
Memory clock speed1215 MHz1215 MHz
Memory bandwidth1,555 GB/s1,555 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 outputsNo outputs

API compatibility

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

DirectXN/AN/A
Shader ModelN/AN/A
OpenGLN/AN/A
OpenCL3.03.0
VulkanN/AN/A
CUDA8.08.0

Pros & cons summary


Recency 8 November 2022 22 June 2020

A800 PCIe 40 GB has an age advantage of 2 years.

We couldn't decide between A800 PCIe 40 GB and A100 PCIe 40 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 A800 PCIe 40 GB
A800 PCIe 40 GB
NVIDIA A100 PCIe 40 GB
A100 PCIe 40 GB

Comparisons with similar GPUs

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Community ratings

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5 1 vote

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3.4 8 votes

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