NVIDIA · Blackwell · 2025
NVIDIA GB300.
256GB HBM3e and 10 TB/s — the most memory and bandwidth shipping in any single GPU.
Reserved capacity
From $4.00/hr
Memory
256 GB
HBM3e
Bandwidth
10.0 TB/s
Memory I/O
FP16
240
TFLOPS
TDP
1200 W
Blackwell
Workloads
What you'll actually use this for.
Real workloads sized for the NVIDIA GB300, with concrete performance numbers. Click to deploy preconfigured.
Specs
Full specifications.
GPU Memory256 GB HBM3e
Memory Bandwidth10000 GB/s
FP32 Performance120 TFLOPS
FP16 Performance240 TFLOPS
INT8 Performance4800 TOPS
Tensor Cores20,480
TDP1200 W
ArchitectureBlackwell
Form FactorSXM
NVLinkYes
Max GPUs per Node8
Release Year2025
Alternatives
Other Blackwell GPUs.
Same Runcrate platform, different price/performance. Hover any GPU to switch.
NVIDIA GB300Current
Blackwell · 256GB HBM3e · 240 TFLOPS FP16
NVIDIA GB200
Blackwell · 192GB HBM3e · 180 TFLOPS FP16
-64GB VRAM-12% price
$3.75/hr
NVIDIA B200
Blackwell · 192GB HBM3e · 180 TFLOPS FP16
-64GB VRAM-20% price
$3.40/hr
AMD MI300X
CDNA 3 · 192GB HBM3 · 326 TFLOPS FP16
-64GB VRAM-41% price
$2.50/hr
NVIDIA H200
Hopper · 141GB HBM3e · 134 TFLOPS FP16
-115GB VRAM-47% price
$2.25/hr
FAQ
Frequently asked.
Rent the NVIDIA GB300 on Runcrate.
Reserved capacity · per-second billing · from $4.00/hr
Other GPUs