A800 PCIe 80 GB vs H100 SXM5

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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
ArchitectureHopper (2022−2023)Ampere (2020−2024)
GPU code nameGH100GA100
Market segmentWorkstationWorkstation
Release date22 March 2022 (2 years ago)8 November 2022 (1 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 cores84486912
Core clock speed1065 MHz1065 MHz
Boost clock speed1780 MHz1410 MHz
Number of transistors80,000 million54,200 million
Manufacturing process technology4 nm7 nm
Power consumption (TDP)700 Watt250 Watt
Texture fill rate939.8609.1
Floating-point processing power30.07 TFLOPS19.49 TFLOPS
ROPs24160
TMUs528432
Tensor Cores528432

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 5.0 x16PCIe 4.0 x16
Lengthno data267 mm
Widthno data2-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 typeHBM3HBM2e
Maximum RAM amount80 GB80 GB
Memory bus width5120 Bit5120 Bit
Memory clock speed1500 MHz1512 MHz
Memory bandwidth1,920 GB/s1,935 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
CUDA9.08.0

Pros & cons summary


Recency 22 March 2022 8 November 2022
Chip lithography 4 nm 7 nm
Power consumption (TDP) 700 Watt 250 Watt

H100 SXM5 has a 75% more advanced lithography process.

A800 PCIe 80 GB, on the other hand, has an age advantage of 7 months, and 180% lower power consumption.

We couldn't decide between H100 SXM5 and A800 PCIe 80 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 H100 SXM5
H100 SXM5
NVIDIA A800 PCIe 80 GB
A800 PCIe 80 GB

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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4.2 27 votes

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3.7 6 votes

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Questions & comments

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