GPU Comparison
NVIDIA RTX 3090 vs NVIDIA GB300.
Side-by-side comparison of specs, performance, and cloud rental pricing. NVIDIA RTX 3090 is the cheaper option at $0.22/hr.
TL;DR
Choose NVIDIA GB300 if you need 256GB+ on a single GPU (232GB more than NVIDIA RTX 3090).
Choose NVIDIA GB300 if you need raw FP16 throughput (238% faster than NVIDIA RTX 3090).
Switch comparison
vs
Ampere
NVIDIA RTX 3090
$0.22/hrCheaper
$0.12-$0.28/hr range · 4 regions
VRAM24GB GDDR6X
FP1671 TFLOPS
Bandwidth936 GB/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 RTX 3090
24 GB
NVIDIA GB300
256 GB
Memory Bandwidth
NVIDIA RTX 3090
936 GB/s
NVIDIA GB300
10.0 TB/s
FP16 Performance
NVIDIA RTX 3090
71 TFLOPS
NVIDIA GB300
240 TFLOPS
Hourly Price
NVIDIA RTX 3090
$0.22/hr
NVIDIA GB300
$4.25/hr
Full specs
Complete spec sheet.
SpecNVIDIA RTX 3090NVIDIA GB300
ArchitectureAmpereBlackwell
VRAM24 GB256 GB●
Memory TypeGDDR6XHBM3e
Memory Bandwidth936 GB/s10.0 TB/s●
FP32 Performance35.6 TFLOPS120 TFLOPS●
FP16 Performance71 TFLOPS240 TFLOPS●
INT8 Performance284 TOPS4800 TOPS●
TDP350 W1200 W
Form FactorConsumerSXM
NVLinkYesYes
Max GPU/Node28
Hourly Price$0.22/hr●$4.25/hr
FAQ
Frequently asked.
Pick a GPU and deploy.
Both GPUs available on Runcrate · per-second billing · no commitments
Other comparisons