GPU Comparison
NVIDIA RTX 4090 vs NVIDIA A100 PCIe.
Side-by-side comparison of specs, performance, and cloud rental pricing. NVIDIA RTX 4090 is the cheaper option at $0.36/hr.
TL;DR
Choose NVIDIA A100 PCIe if you need 80GB+ on a single GPU (56GB more than NVIDIA RTX 4090).
Choose NVIDIA RTX 4090 if you need raw FP16 throughput (112% faster than NVIDIA A100 PCIe).
Switch comparison
vs
Ada Lovelace
NVIDIA RTX 4090
$0.36/hrCheaper
$0.16-$0.37/hr range · 9 regions
VRAM24GB GDDR6X
FP16165 TFLOPS
Bandwidth1.0 TB/s
Ampere
NVIDIA A100 PCIe
$0.98/hr
$0.85-$1.10/hr range · 8 regions
VRAM80GB HBM2e
FP1678 TFLOPS
Bandwidth1.9 TB/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 RTX 4090
24 GB
NVIDIA A100 PCIe
80 GB
Memory Bandwidth
NVIDIA RTX 4090
1.0 TB/s
NVIDIA A100 PCIe
1.9 TB/s
FP16 Performance
NVIDIA RTX 4090
165 TFLOPS
NVIDIA A100 PCIe
78 TFLOPS
Hourly Price
NVIDIA RTX 4090
$0.36/hr
NVIDIA A100 PCIe
$0.98/hr
Full specs
Complete spec sheet.
SpecNVIDIA RTX 4090NVIDIA A100 PCIe
ArchitectureAda LovelaceAmpere
VRAM24 GB80 GB●
Memory TypeGDDR6XHBM2e
Memory Bandwidth1.0 TB/s1.9 TB/s●
FP32 Performance82.6 TFLOPS●19.5 TFLOPS
FP16 Performance165 TFLOPS●78 TFLOPS
INT8 Performance661 TOPS●624 TOPS
TDP450 W300 W
Form FactorConsumerPCIe
NVLinkNoNo
Max GPU/Node24
Hourly Price$0.36/hr●$0.98/hr
FAQ
Frequently asked.
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