H100 PCIe vs GeForce RTX 3080 Ti Mobile

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Primary details

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

Place in the ranking55not rated
Place by popularitynot in top-100not in top-100
Power efficiency30.30no data
ArchitectureAmpere (2020−2024)Hopper (2022−2023)
GPU code nameGA103SGH100
Market segmentLaptopWorkstation
Release date25 January 2022 (2 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 cores74247296
Core clock speed810 MHz1065 MHz
Boost clock speed1260 MHz1650 MHz
Number of transistorsno data80,000 million
Manufacturing process technology8 nm4 nm
Power consumption (TDP)115 Watt350 Watt
Texture fill rate292.3752.4
Floating-point processing power18.71 TFLOPS24.08 TFLOPS
ROPs9624
TMUs232456
Tensor Cores232456
Ray Tracing Cores58no 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
Lengthno data267 mm
Widthno data2-slot
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 typeGDDR6HBM2e
Maximum RAM amount16 GB80 GB
Memory bus width256 Bit5120 Bit
Memory clock speed2000 MHz1000 MHz
Memory bandwidth512.0 GB/s1,280 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.5N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA8.69.0

Pros & cons summary


Recency 25 January 2022 22 March 2022
Maximum RAM amount 16 GB 80 GB
Chip lithography 8 nm 4 nm
Power consumption (TDP) 115 Watt 350 Watt

RTX 3080 Ti Mobile has 204.3% lower power consumption.

H100 PCIe, on the other hand, has an age advantage of 1 month, a 400% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between GeForce RTX 3080 Ti Mobile and H100 PCIe. We've got no test results to judge.

Be aware that GeForce RTX 3080 Ti Mobile is a notebook card while H100 PCIe 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 3080 Ti Mobile
GeForce RTX 3080 Ti Mobile
NVIDIA H100 PCIe
H100 PCIe

Comparisons with similar GPUs

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Community ratings

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4.4 286 votes

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3.7 72 votes

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