GPU Comparison
NVIDIA H100 PCIe vs NVIDIA GB300.
Side-by-side comparison of specs, performance, and cloud rental pricing. NVIDIA H100 PCIe is the cheaper option at $1.40/hr.
TL;DR
Choose NVIDIA GB300 if you need 256GB+ on a single GPU (176GB more than NVIDIA H100 PCIe).
Choose NVIDIA GB300 if you need raw FP16 throughput (135% faster than NVIDIA H100 PCIe).
Switch comparison
vs
Hopper
NVIDIA H100 PCIe
$1.40/hrCheaper
$1.25-$1.55/hr range · 8 regions
VRAM80GB HBM3
FP16102 TFLOPS
Bandwidth2.0 TB/s
Blackwell
NVIDIA GB300
$4.25/hr
$4.00-$4.50/hr range · 1 regions
VRAM256GB HBM3e
FP16240 TFLOPS
Bandwidth10.0 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 H100 PCIe
80 GB
NVIDIA GB300
256 GB
Memory Bandwidth
NVIDIA H100 PCIe
2.0 TB/s
NVIDIA GB300
10.0 TB/s
FP16 Performance
NVIDIA H100 PCIe
102 TFLOPS
NVIDIA GB300
240 TFLOPS
Hourly Price
NVIDIA H100 PCIe
$1.40/hr
NVIDIA GB300
$4.25/hr
Full specs
Complete spec sheet.
SpecNVIDIA H100 PCIeNVIDIA GB300
ArchitectureHopperBlackwell
VRAM80 GB256 GB●
Memory TypeHBM3HBM3e
Memory Bandwidth2.0 TB/s10.0 TB/s●
FP32 Performance51 TFLOPS120 TFLOPS●
FP16 Performance102 TFLOPS240 TFLOPS●
INT8 Performance2040 TOPS4800 TOPS●
TDP350 W1200 W
Form FactorPCIeSXM
NVLinkNoYes
Max GPU/Node48
Hourly Price$1.40/hr●$4.25/hr
FAQ
Frequently asked.
Pick a GPU and deploy.
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