GPU Comparison
NVIDIA A100 SXM 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 A100 SXM if you need 80GB+ on a single GPU (32GB more than NVIDIA A40).
Choose NVIDIA A40 if you want the Ampere architecture or PCIe form factor.
Switch comparison
vs
Ampere
NVIDIA A100 SXM
$1.05/hr
$0.92-$1.18/hr range · 9 regions
VRAM80GB HBM2e
FP1678 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 A100 SXM
80 GB
NVIDIA A40
48 GB
Memory Bandwidth
NVIDIA A100 SXM
2.0 TB/s
NVIDIA A40
696 GB/s
FP16 Performance
NVIDIA A100 SXM
78 TFLOPS
NVIDIA A40
74.8 TFLOPS
Hourly Price
NVIDIA A100 SXM
$1.05/hr
NVIDIA A40
$0.75/hr
Full specs
Complete spec sheet.
SpecNVIDIA A100 SXMNVIDIA A40
ArchitectureAmpereAmpere
VRAM80 GB●48 GB
Memory TypeHBM2eGDDR6
Memory Bandwidth2.0 TB/s●696 GB/s
FP32 Performance19.5 TFLOPS37.4 TFLOPS●
FP16 Performance78 TFLOPS●74.8 TFLOPS
INT8 Performance624 TOPS●299 TOPS
TDP400 W300 W
Form FactorSXMPCIe
NVLinkYesNo
Max GPU/Node84
Hourly Price$1.05/hr$0.75/hr●
FAQ
Frequently asked.
Pick a GPU and deploy.
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