AvailableHopper • 2023
H800 SXM
China export variant of the H100 SXM. Meets US export controls with reduced NVLink bandwidth (400 GB/s vs 900 GB/s) while retaining 80GB HBM3 and full compute density. Built for AI training in compliant regions.

Technical Specifications
Architecture | Hopper |
Release Year | 2023 |
Process Node | TSMC 4N |
Form Factor | SXM5 |
VRAM | 80 GB HBM3 |
Memory Bandwidth | 3.35 TB/s |
Interconnect | NVLink 4 (400 GB/s) |
FP16 Performance | 1,000 TFLOPS (with sparsity) |
FP32 Performance | 44 TFLOPS |
FP64 Performance | 22 TFLOPS |
TDP | 700W |
CUDA Cores | 16,896 |
Tensor Cores | 528 |
Transistors | 80 billion |
Die Size | 814 mm² |
Best Use Cases
- AI training
- LLM training (China market)
- HPC
Quick Facts
FamilyHopper
ArchitectureHopper
Released2023
ProcessTSMC 4N
Form FactorSXM5
Related Hopper GPUs
H800 SXM — Frequently Asked Questions
What is the H800 SXM GPU used for?
The H800 SXM is best suited for: AI training, LLM training (China market), HPC.
How much VRAM does the H800 SXM have?
The H800 SXM has 80 GB HBM3 of VRAM.
What is the memory bandwidth of the H800 SXM?
The H800 SXM has a memory bandwidth of 3.35 TB/s.
What interconnect does the H800 SXM use?
The H800 SXM uses NVLink 4 (400 GB/s).
When was the H800 SXM released?
The H800 SXM was released in 2023.