H100 SXM5 vs RTX A4000 Mobile

Primary details

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

Place in the ranking104not rated
Place by popularitynot in top-100not in top-100
Power efficiency23.96no data
ArchitectureAmpere (2020−2024)Hopper (2022−2023)
GPU code nameGA104GH100
Market segmentMobile workstationWorkstation
Release date12 April 2021 (3 years ago)22 March 2022 (2 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 cores51208448
Core clock speed1140 MHz1065 MHz
Boost clock speed1680 MHz1780 MHz
Number of transistors17,400 million80,000 million
Manufacturing process technology8 nm4 nm
Power consumption (TDP)115 Watt700 Watt
Texture fill rate268.8939.8
Floating-point processing power17.2 TFLOPS30.07 TFLOPS
ROPs8024
TMUs160528
Tensor Cores160528
Ray Tracing Cores40no 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).

Laptop sizelargeno data
InterfacePCIe 4.0 x16PCIe 5.0 x16
Supplementary power connectorsno data8-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 typeGDDR6HBM3
Maximum RAM amount8 GB80 GB
Memory bus width256 Bit5120 Bit
Memory clock speed1500 MHz1500 MHz
Memory bandwidth384.0 GB/s1,920 GB/s
Shared memory--

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
CUDA8.69.0

Pros & cons summary


Recency 12 April 2021 22 March 2022
Maximum RAM amount 8 GB 80 GB
Chip lithography 8 nm 4 nm
Power consumption (TDP) 115 Watt 700 Watt

RTX A4000 Mobile has 508.7% lower power consumption.

H100 SXM5, on the other hand, has an age advantage of 11 months, a 900% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between RTX A4000 Mobile and H100 SXM5. We've got no test results to judge.

Be aware that RTX A4000 Mobile is a mobile workstation card while H100 SXM5 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 RTX A4000 Mobile
RTX A4000 Mobile
NVIDIA H100 SXM5
H100 SXM5

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.3 21 vote

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4.2 27 votes

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Questions & comments

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