H100 SXM5 64 GB vs Radeon RX Vega 56 Mobile

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 5.0 (2017−2020)Hopper (2022)
GPU code nameVega 10GH100
Market segmentLaptopDesktop
Release date1 June 2018 (6 years ago)21 March 2023 (1 year ago)
Current price$841 no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores358416896
Core clock speed1138 MHzno data
Boost clock speed1301 MHz1980 MHz
Number of transistors12,500 million80,000 million
Manufacturing process technology14 nm4 nm
Power consumption (TDP)120 Watt700 Watt
Texture fill rate291.41,045

Form factor & compatibility

Information on Radeon RX Vega 56 Mobile and H100 SXM5 64 GB compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

InterfacePCIe 3.0 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 typeHBM2HBM3
Maximum RAM amount8 GB64 GB
Memory bus width2048 Bit3072 Bit
Memory clock speed1600 MHz2.6 GB/s
Memory bandwidth409.6 GB/s1,008 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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+no data

API compatibility

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

DirectX12 (12_1)N/A
Shader Model6.4N/A
OpenGL4.6N/A
OpenCL2.03.0
Vulkan1.1.125N/A
CUDAno data9.0

Pros & cons summary


Recency 1 June 2018 21 March 2023
Maximum RAM amount 8 GB 64 GB
Chip lithography 14 nm 4 nm
Power consumption (TDP) 120 Watt 700 Watt

We couldn't decide between Radeon RX Vega 56 Mobile and H100 SXM5 64 GB. We've got no test results to judge.

Be aware that Radeon RX Vega 56 Mobile is a notebook card while H100 SXM5 64 GB is a desktop 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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AMD Radeon RX Vega 56 Mobile
Radeon RX Vega 56 Mobile
NVIDIA H100 SXM5 64 GB
H100 SXM5 64 GB

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