GPU Comparison
NVIDIA RTX 4090 vs NVIDIA A40.
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 A40 if you need 48GB+ on a single GPU (24GB more than NVIDIA RTX 4090).
Choose NVIDIA RTX 4090 if you need raw FP16 throughput (121% faster than NVIDIA A40).
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 A40
$0.75/hr
$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 RTX 4090
24 GB
NVIDIA A40
48 GB
Memory Bandwidth
NVIDIA RTX 4090
1.0 TB/s
NVIDIA A40
696 GB/s
FP16 Performance
NVIDIA RTX 4090
165 TFLOPS
NVIDIA A40
74.8 TFLOPS
Hourly Price
NVIDIA RTX 4090
$0.36/hr
NVIDIA A40
$0.75/hr
Full specs
Complete spec sheet.
SpecNVIDIA RTX 4090NVIDIA A40
ArchitectureAda LovelaceAmpere
VRAM24 GB48 GB●
Memory TypeGDDR6XGDDR6
Memory Bandwidth1.0 TB/s●696 GB/s
FP32 Performance82.6 TFLOPS●37.4 TFLOPS
FP16 Performance165 TFLOPS●74.8 TFLOPS
INT8 Performance661 TOPS●299 TOPS
TDP450 W300 W
Form FactorConsumerPCIe
NVLinkNoNo
Max GPU/Node24
Hourly Price$0.36/hr●$0.75/hr
FAQ
Frequently asked.
Pick a GPU and deploy.
Both GPUs available on Runcrate · per-second billing · no commitments
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