H100 PCIe 80 GB vs Tesla M40 24 GB

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Primary details

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

Place in the ranking201not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.48no data
ArchitectureMaxwell 2.0 (2014−2019)Hopper (2022−2023)
GPU code nameGM200GH100
Market segmentWorkstationWorkstation
Release date10 November 2015 (8 years ago)21 March 2023 (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 cores307214592
Core clock speed948 MHz1095 MHz
Boost clock speed1112 MHz1755 MHz
Number of transistors8,000 million80,000 million
Manufacturing process technology28 nm4 nm
Power consumption (TDP)250 Watt350 Watt
Texture fill rate213.5800.3
Floating-point processing power6.832 TFLOPS51.22 TFLOPS
ROPs9624
TMUs192456
Tensor Coresno data456

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 3.0 x16PCIe 5.0 x16
Length267 mm268 mm
Width2-slot2-slot
Supplementary power connectors8-pin EPS1x 16-pin

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 typeGDDR5HBM2e
Maximum RAM amount24 GB80 GB
Memory bus width384 Bit5120 Bit
Memory clock speed1502 MHz1593 MHz
Memory bandwidth288.4 GB/s2,039 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.

DirectX12 (12_1)N/A
Shader Model6.7N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA5.29.0

Pros & cons summary


Recency 10 November 2015 21 March 2023
Maximum RAM amount 24 GB 80 GB
Chip lithography 28 nm 4 nm
Power consumption (TDP) 250 Watt 350 Watt

Tesla M40 24 GB has 40% lower power consumption.

H100 PCIe 80 GB, on the other hand, has an age advantage of 7 years, a 233.3% higher maximum VRAM amount, and a 600% more advanced lithography process.

We couldn't decide between Tesla M40 24 GB and H100 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 Tesla M40 24 GB
Tesla M40 24 GB
NVIDIA H100 PCIe 80 GB
H100 PCIe 80 GB

Comparisons with similar GPUs

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Community ratings

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4 33 votes

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4.5 8 votes

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Questions & comments

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