NVIDIA RTX 4090vsNVIDIA H100 80GB
NVIDIA RTX 4090 vs NVIDIA H100 80GB: Specs, Benchmarks & Cloud Pricing
Full technical comparison of NVIDIA RTX 4090 and NVIDIA H100 80GB — VRAM, memory bandwidth, FP16 TFLOPS, TDP, and live cloud pricing across all providers. Updated July 2026.
Technical Specifications
Spec
NVIDIA RTX 4090
NVIDIA H100 80GB
Architecture
Ada Lovelace
Hopper
VRAM
24 GB GDDR6X
80 GB HBM3
Memory bandwidth
1,008 GB/s
3,350 GB/s
FP16 performance
165 TFLOPS
989 TFLOPS
TDP
450 W
700 W
NVLink support
No
Yes
Release year
2022
2022
Green = better value for that metric.
NVIDIA RTX 4090
The RTX 4090 is the most cost-effective consumer GPU for AI workloads. At $0.40–$0.80/hr on GPU clouds, it's ideal for fine-tuning and small-model inference.
Best For
- Fine-tuning
- Small model inference
- Cost-effective compute
NVIDIA H100 80GB
The NVIDIA H100 is the gold standard for AI training and inference. With 80GB HBM3 memory and NVLink 4.0 support, it dominates large-model training and multi-GPU clusters.
Best For
- LLM training
- Large-scale inference
- HPC workloads