NVIDIA GB300

0

CUDA Cores

288GB

VRAM

5000

GB/s

Data Center
Updated April 21, 2026 • 2026 Edition
GB300 GPU Specifications

Technical Specifications

0

CUDA Cores

2500

Base MHz

2800

Boost MHz

288GB HBM3e

8192-bit bus

Performance

40

FP32 TFLOPS

80

FP16 TFLOPS

1200W

TDP

Cloud Availability

1

Available Instances

$0.00/hr

Starting Price

Detailed Specifications

Architecture Blackwell (Unknown)
Release Date 2025-12-01
Launch Price $50,000.00
Process 4nm
Transistors 100+ Billion

AI Features

Gen 3

Tensor Cores

Disabled

Transformer Engine

Not Supported

Flash Attention

Physical Specifications

Additional Specifications

module

Form Factor

About GB300 GPU

The NVIDIA GB300 is a powerful GPU designed for AI/ML workloads, offering exceptional performance for both training and inference tasks. With 288GB of VRAM and 0 CUDA cores, it provides the memory capacity and computational power needed for modern deep learning models.

Released in 2025, the GB300 features Blackwell architecture with advanced AI accelerators including Tensor Cores and Transformer Engine support. This makes it ideal for large language models, computer vision tasks, and generative AI applications.

When considering cloud rental options for the GB300, pricing starts at $0.00/hour from various providers. This GPU offers excellent price-to-performance for AI training workloads, with its high memory bandwidth of 5000 GB/s enabling fast data transfer for large datasets.

The GB300 supports the latest CUDA compute capabilities and is compatible with all major deep learning frameworks including PyTorch, TensorFlow, and JAX. Its 4nm manufacturing process ensures efficient power consumption relative to performance output.

External Resources

Learn more about GPUs from these authoritative sources:

NVIDIA CUDA Documentation →

Official CUDA programming guide

NVIDIA GPU Specifications →

Official NVIDIA GPU specs

TechPowerUp GPU Database →

Comprehensive GPU specifications

CUDA Compute Capability Guide →

GPU compute capability reference

Top GPUs for Training and Inference

Category Rank 1 Rank 2 Rank 3
Best for Training NVIDIA H200 NVIDIA H100 NVIDIA B200
Best for Inference NVIDIA A40 NVIDIA A100 NVIDIA A10

Compare GPU specifications and cloud instances to find the best GPU for your workload.