H800 SXM5

Hopper NVIDIA H-Series Data Center HBM3 2023 NVIDIA

Key Metrics

Architecture: Hopper
Launch Date: 2023-03-21
CUDA Cores: 16,896
Memory: 80 GB HBM3
Memory Bandwidth: 3,360 GB/s
TDP/TBP: 700 W
Interface: PCIe 5.0 x16

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GPU Specs

Identity
Entry Type	Data Center GPU
Official Name	NVIDIA H800 SXM5
GPU Codename	GH100
Architecture	Hopper
Launch Date	2023-03-21
Market Segment Notes	Data Center in NVIDIA H-Series
Core Specs
GPU Die	GH100
Process Node	TSMC 5 nm
Transistor Count	80 billion
Die Size	814 mm²
CUDA Cores	16896
SM Count	132
TMUs	528
ROPs	24
AI Units / Tensor Cores	528
Base Clock	1,095 MHz
Boost Clock	1,755 MHz
Pixel Fillrate	42.12 GP/s
Texture Fillrate	926.6 GT/s
FP32 Throughput	59.3 TFLOPS
FP16 Throughput	237.2 TFLOPS
FP64 Throughput	29.65 TFLOPS
Memory
Memory Size	80 GB
Memory Type	HBM3
Memory Bus Width	5,120-bit
Memory Clock	1,313 MHz
Memory Bandwidth	3,360 GB/s
L2 Cache	50 MB
L1 Cache	250 KB
Board and Display
TDP / TBP	700 W
Recommended PSU	1,100 W
Power Connectors	8-pin EPS
Interface	PCIe 5.0 x16
Slot Width	SXM Module
Board Partner Model	Reference or OEM specification
Reference Design	NVIDIA reference design
Software
CUDA Compute Capability	9.0
OpenCL Support	OpenCL 3.0

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Why It Mattered

H800 SXM5 is a NVIDIA H-Series accelerator from the Hopper generation. Its historical context is data-center deployment rather than gaming, so form factor, memory capacity, interconnect, virtualization features, and server compatibility are the details that make this entry useful.

Sources

Sources reviewed: 2026-06-20

This entry is still being source-checked.

Specifications are currently based on reference/spec-dump sources. Historical notes require additional source review.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Verified: core specifications and historical notes have been reviewed against listed sources.
Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
Imported: spec-only imported entry pending editorial source review.
Needs source review: narrative notes are incomplete until reviewed.

Independent reference sources

TechPowerUp GPU SpecsModel-level specification reference for this GPU entryOpen source

Derived datasets and spec dumps

RightNow GPU DatabaseOpen data inventory used for bulk normalization and cross-checking Derived/spec-dump source. Treat as a reference dataset, not independent historical verification.Open source

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Why It Mattered

H100 CNX

H100 NVL 94 GB

H100 PCIe 80 GB

H100 PCIe 96 GB

Independent reference sources

Derived datasets and spec dumps