GeForce RTX 4090 Max-Q vs H100 PCIe

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)Ada Lovelace (2022−2024)
GPU code nameGH100AD103
Market segmentWorkstationLaptop
Release date22 March 2022 (2 years ago)3 January 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 cores72969728
Core clock speed1065 MHz930 MHz
Boost clock speed1650 MHz1455 MHz
Number of transistors80,000 million45,900 million
Manufacturing process technology4 nm4 nm
Power consumption (TDP)350 Watt80 Watt
Texture fill rate752.4442.3
Floating-point processing power24.08 TFLOPS28.31 TFLOPS
ROPs24112
TMUs456304
Tensor Cores456304
Ray Tracing Coresno data76

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
Length267 mmno data
Width2-slotno data
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 GB16 GB
Memory bus width5120 Bit256 Bit
Memory clock speed1000 MHz1750 MHz
Memory bandwidth1,280 GB/s448.0 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 outputsPortable Device Dependent

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
CUDA9.08.9

Pros & cons summary


Recency 22 March 2022 3 January 2023
Maximum RAM amount 80 GB 16 GB
Power consumption (TDP) 350 Watt 80 Watt

H100 PCIe has a 400% higher maximum VRAM amount.

RTX 4090 Max-Q, on the other hand, has an age advantage of 9 months, and 337.5% lower power consumption.

We couldn't decide between H100 PCIe and GeForce RTX 4090 Max-Q. We've got no test results to judge.

Be aware that H100 PCIe is a workstation card while GeForce RTX 4090 Max-Q is a notebook one.


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 PCIe
H100 PCIe
NVIDIA GeForce RTX 4090 Max-Q
GeForce RTX 4090 Max-Q

Comparisons with similar GPUs

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Community ratings

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3.6 69 votes

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Questions & comments

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