GPU Comparison
NVIDIA GB300 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 GB300 if you need 256GB+ on a single GPU (208GB more than NVIDIA A40).
Choose NVIDIA GB300 if you need raw FP16 throughput (221% faster than NVIDIA A40).
Switch comparison
vs
Blackwell
NVIDIA GB300
$4.25/hr
$4.00-$4.50/hr range · 1 regions
VRAM256GB HBM3e
FP16240 TFLOPS
Bandwidth10.0 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 GB300
256 GB
NVIDIA A40
48 GB
Memory Bandwidth
NVIDIA GB300
10.0 TB/s
NVIDIA A40
696 GB/s
FP16 Performance
NVIDIA GB300
240 TFLOPS
NVIDIA A40
74.8 TFLOPS
Hourly Price
NVIDIA GB300
$4.25/hr
NVIDIA A40
$0.75/hr
Full specs
Complete spec sheet.
SpecNVIDIA GB300NVIDIA A40
ArchitectureBlackwellAmpere
VRAM256 GB●48 GB
Memory TypeHBM3eGDDR6
Memory Bandwidth10.0 TB/s●696 GB/s
FP32 Performance120 TFLOPS●37.4 TFLOPS
FP16 Performance240 TFLOPS●74.8 TFLOPS
INT8 Performance4800 TOPS●299 TOPS
TDP1200 W300 W
Form FactorSXMPCIe
NVLinkYesNo
Max GPU/Node84
Hourly Price$4.25/hr$0.75/hr●
FAQ
Frequently asked.
Pick a GPU and deploy.
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