H100 SXM5 vs GeForce 945A

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Primary details

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

Place in the ranking633not rated
Place by popularitynot in top-100not in top-100
Power efficiency10.07no data
ArchitectureMaxwell (2014−2017)Hopper (2022−2023)
GPU code nameGM108GH100
Market segmentLaptopWorkstation
Release date13 March 2015 (9 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 cores3848448
Core clock speed1006 MHz1065 MHz
Boost clock speed1189 MHz1780 MHz
Number of transistorsno data80,000 million
Manufacturing process technology28 nm4 nm
Power consumption (TDP)33 Watt700 Watt
Texture fill rate28.54939.8
Floating-point processing power0.9132 TFLOPS30.07 TFLOPS
ROPs824
TMUs24528
Tensor Coresno data528

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 3.0 x8PCIe 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 typeGDDR5HBM3
Maximum RAM amount1 GB80 GB
Memory bus width64 Bit5120 Bit
Memory clock speed1253 MHz1500 MHz
Memory bandwidth40.1 GB/s1,920 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (11_0)N/A
Shader Model5.1N/A
OpenGL4.6N/A
OpenCL1.23.0
Vulkan1.1.126N/A
CUDA5.09.0

Pros & cons summary


Recency 13 March 2015 22 March 2022
Maximum RAM amount 1 GB 80 GB
Chip lithography 28 nm 4 nm
Power consumption (TDP) 33 Watt 700 Watt

GeForce 945A has 2021.2% lower power consumption.

H100 SXM5, on the other hand, has an age advantage of 7 years, a 7900% higher maximum VRAM amount, and a 600% more advanced lithography process.

We couldn't decide between GeForce 945A and H100 SXM5. We've got no test results to judge.

Be aware that GeForce 945A is a notebook 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 GeForce 945A
GeForce 945A
NVIDIA H100 SXM5
H100 SXM5

Comparisons with similar GPUs

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Community ratings

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2.5 10 votes

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4.2 27 votes

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Questions & comments

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