H100 PCIe 80 GB vs GeForce RTX 4090 Max-Q

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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
ArchitectureAda Lovelace (2022−2024)Hopper (2022−2023)
GPU code nameAD103GH100
Market segmentLaptopWorkstation
Release date3 January 2023 (1 year 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 cores972814592
Core clock speed930 MHz1095 MHz
Boost clock speed1455 MHz1755 MHz
Number of transistors45,900 million80,000 million
Manufacturing process technology4 nm4 nm
Power consumption (TDP)80 Watt350 Watt
Texture fill rate442.3800.3
Floating-point processing power28.31 TFLOPS51.22 TFLOPS
ROPs11224
TMUs304456
Tensor Cores304456
Ray Tracing Cores76no data

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 5.0 x16
Lengthno data268 mm
Widthno data2-slot
Supplementary power connectorsNone1x 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 typeGDDR6HBM2e
Maximum RAM amount16 GB80 GB
Memory bus width256 Bit5120 Bit
Memory clock speed1750 MHz1593 MHz
Memory bandwidth448.0 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 ConnectorsPortable Device DependentNo outputs

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.7N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA8.99.0

Pros & cons summary


Recency 3 January 2023 21 March 2023
Maximum RAM amount 16 GB 80 GB
Power consumption (TDP) 80 Watt 350 Watt

RTX 4090 Max-Q has 337.5% lower power consumption.

H100 PCIe 80 GB, on the other hand, has an age advantage of 2 months, and a 400% higher maximum VRAM amount.

We couldn't decide between GeForce RTX 4090 Max-Q and H100 PCIe 80 GB. We've got no test results to judge.

Be aware that GeForce RTX 4090 Max-Q is a notebook card while H100 PCIe 80 GB is a workstation 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 GeForce RTX 4090 Max-Q
GeForce RTX 4090 Max-Q
NVIDIA H100 PCIe 80 GB
H100 PCIe 80 GB

Comparisons with similar GPUs

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Community ratings

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3.3 146 votes

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4.1 14 votes

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Questions & comments

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