H100 SXM5 64 GB vs GeForce RTX 4080 Mobile

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Primary details

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

Place in the ranking27not rated
Place by popularitynot in top-100not in top-100
Power efficiency41.17no data
ArchitectureAda Lovelace (2022−2024)Hopper (2022−2023)
GPU code nameAD104GH100
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 cores742416896
Core clock speed1290 MHz1665 MHz
Boost clock speed1665 MHz1980 MHz
Number of transistors35,800 million80,000 million
Manufacturing process technology4 nm4 nm
Power consumption (TDP)110 Watt700 Watt
Texture fill rate386.31,045
Floating-point processing power24.72 TFLOPS66.91 TFLOPS
ROPs8024
TMUs232528
Tensor Cores232528
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
Widthno dataSXM Module
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 amount12 GB64 GB
Memory bus width192 Bit3072 Bit
Memory clock speed2250 MHz1313 MHz
Memory bandwidth432.0 GB/s1,008 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
CUDA8.99.0

Pros & cons summary


Recency 3 January 2023 21 March 2023
Maximum RAM amount 12 GB 64 GB
Power consumption (TDP) 110 Watt 700 Watt

RTX 4080 Mobile has 536.4% lower power consumption.

H100 SXM5 64 GB, on the other hand, has an age advantage of 2 months, and a 433.3% higher maximum VRAM amount.

We couldn't decide between GeForce RTX 4080 Mobile and H100 SXM5 64 GB. We've got no test results to judge.

Be aware that GeForce RTX 4080 Mobile is a notebook card while H100 SXM5 64 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 4080 Mobile
GeForce RTX 4080 Mobile
NVIDIA H100 SXM5 64 GB
H100 SXM5 64 GB

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