GPU Comparison
NVIDIA H100 PCIe vs NVIDIA A40.
Side-by-side comparison of specs, performance, and cloud rental pricing. NVIDIA A40 is the cheaper option at $0.75/hr.
TL;DR
Choose NVIDIA H100 PCIe if you need 80GB+ on a single GPU (32GB more than NVIDIA A40).
Choose NVIDIA H100 PCIe if you need raw FP16 throughput (36% faster than NVIDIA A40).
Switch comparison
vs
Hopper
NVIDIA H100 PCIe
$1.40/hr
$1.25-$1.55/hr range · 8 regions
VRAM80GB HBM3
FP16102 TFLOPS
Bandwidth2.0 TB/s
Ampere
NVIDIA A40
$0.75/hrCheaper
$0.65-$0.85/hr range · 4 regions
VRAM48GB GDDR6
FP1674.8 TFLOPS
Bandwidth696 GB/s
At a glance
Spec by spec.
Visual comparison across the four specs that matter most for AI workloads. Green bar marks the winner.
VRAM
NVIDIA H100 PCIe
80 GB
NVIDIA A40
48 GB
Memory Bandwidth
NVIDIA H100 PCIe
2.0 TB/s
NVIDIA A40
696 GB/s
FP16 Performance
NVIDIA H100 PCIe
102 TFLOPS
NVIDIA A40
74.8 TFLOPS
Hourly Price
NVIDIA H100 PCIe
$1.40/hr
NVIDIA A40
$0.75/hr
Full specs
Complete spec sheet.
SpecNVIDIA H100 PCIeNVIDIA A40
ArchitectureHopperAmpere
VRAM80 GB●48 GB
Memory TypeHBM3GDDR6
Memory Bandwidth2.0 TB/s●696 GB/s
FP32 Performance51 TFLOPS●37.4 TFLOPS
FP16 Performance102 TFLOPS●74.8 TFLOPS
INT8 Performance2040 TOPS●299 TOPS
TDP350 W300 W
Form FactorPCIePCIe
NVLinkNoNo
Max GPU/Node44
Hourly Price$1.40/hr$0.75/hr●
FAQ
Frequently asked.
Pick a GPU and deploy.
Both GPUs available on Runcrate · per-second billing · no commitments
Other comparisons