Specifications Compared
| Spec | B300 | B200 |
|---|---|---|
| TDP | 1200W | 1000W |
| VRAM | 288 GB | 192 GB |
| Memory Type | HBM3e | HBM3e |
| Architecture | Blackwell Ultra | Blackwell |
| Form Factors | SXM | SXM, NVL |
| Interconnect | NVSwitch, NVLink | NVLink, PCIe 6.0, InfiniBand |
| FP8 Performance | 4,500 TFLOPS | 9,000 TFLOPS |
| FP16 Performance | 2,250 TFLOPS | 4,500 TFLOPS |
| FP32 Performance | 90 TFLOPS | 90 TFLOPS |
| FP64 Performance | 45 TFLOPS | 45 TFLOPS |
| INT8 Performance | 4,500 TOPS | 9,000 TOPS |
| Memory Bandwidth | 12,000 GB/s | 8,000 GB/s |
Performance Analysis
Memory differences significantly impact real-world AI workloads: the B300's 288 GB HBM3e VRAM supports larger models or bigger batch sizes than the B200's 192 GB, enabling training of LLMs exceeding 192 GB without model parallelism. The B300's 12000 GB/s bandwidth further accelerates data movement, reducing bottlenecks for large batches compared to the B200's 8000 GB/s.
Compute performance reveals trade-offs. The B200's 4500 TFLOPS FP16 doubles the B300's 2250 TFLOPS, favoring FP16-heavy training phases where tensor core utilization peaks. For inference, the B200's 9000 TFLOPS FP8 outperforms the B300's 4500 TFLOPS, enabling higher throughput on quantized models. Both GPUs deliver 90 TFLOPS FP32, suitable for precision-sensitive simulations.
Power consumption affects deployment: the B300's 1200W TDP demands robust cooling versus the B200's 1000W, influencing cluster efficiency. Higher bandwidth on the B300 sustains larger effective batch sizes in memory-bound scenarios, while the B200 excels in compute-limited environments.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
B300
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() RunPod | NVIDIA B300 SXM6 262GB VRAM | 262GB | 0 vCPU 0GB RAM | 🌍global | $7.39/GPU/hr | |||
VERDA | 8×NVIDIA B300 SXM6 262GB VRAM | 262GB | 240 vCPU 2040GB RAM | Helsinki | $7.50/GPU/hr $60.00/hr total (8×) | Available | ||
Scaleway | 8×NVIDIA B300 SXM6 262GB VRAM | 262GB | 224 vCPU 3840GB RAM 22352GB Storage | Paris | $8.73/GPU/hr $69.84/hr total (8×) | Available |
B200
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
Nebius | NVIDIA B200 SXM 192GB VRAM | 192GB | 20 vCPU 224GB RAM | 🌍Europe | $3.95/GPU/hr | |||
Cirrascale | 8×NVIDIA B200 SXM 192GB VRAM | 192GB | 192 vCPU 2048GB RAM 43923GB Storage | United States | $4.79/GPU/hr $38.32/hr total (8×) | |||
Cirrascale | 8×NVIDIA B200 SXM 192GB VRAM | 192GB | 192 vCPU 2048GB RAM 43923GB Storage | United States | $5.39/GPU/hr $43.12/hr total (8×) | |||
Cirrascale | 8×NVIDIA B200 SXM 192GB VRAM | 192GB | 192 vCPU 2048GB RAM 43923GB Storage | United States | $5.69/GPU/hr $45.52/hr total (8×) | |||
![]() RunPod | NVIDIA B200 SXM 192GB VRAM | 192GB | 28 vCPU 283GB RAM | California | $5.89/GPU/hr |
When to Choose the B300
The B300 excels in scenarios requiring maximum memory capacity, such as training massive LLMs that demand over 192 GB VRAM. Its 288 GB HBM3e and 12000 GB/s bandwidth handle enormous datasets and batch sizes without sharding, ideal for research labs developing frontier models.
Enterprises with NVSwitch and NVLink clusters benefit from the B300's SXM form factor for seamless multi-GPU scaling in memory-intensive fine-tuning or scientific simulations.
When to Choose the B200
Opt for the B200 when FP16 or FP8 compute dominates, as its 4500 TFLOPS FP16 and 9000 TFLOPS FP8 deliver superior speed for inference and training on models fitting within 192 GB VRAM. Lower pricing from $1.71 per hour and wider availability across 16 offers suit cost-sensitive production deployments.
The B200's 1000W TDP and versatile form factors including NVL, NVLink, PCIe 6.0, and InfiniBand support flexible cloud and on-premises setups for high-throughput inference services.
Use Cases
The B300's 288 GB VRAM and 12000 GB/s bandwidth support massive models and large batches that exceed the B200's 192 GB capacity. This reduces the need for model sharding in trillion-parameter training.
The B200's 9000 TFLOPS FP8 performance doubles the B300's 4500 TFLOPS, enabling higher throughput for quantized inference. Its lower $1.71 per hour starting price aids scalable serving.
Fine-tuning large models benefits from the B300's 288 GB VRAM to load full checkpoints without distillation. Higher bandwidth sustains efficient gradient updates.
Stable Diffusion workloads leverage the B200's 4500 TFLOPS FP16 for faster diffusion steps on image generation. Lower 1000W TDP improves energy efficiency for creative pipelines.
Both offer 90 TFLOPS FP32 for simulations, but choose B300 for memory-heavy datasets over 192 GB or B200 for compute-intensive tasks with its higher FP16.
Frequently Asked Questions
What is the VRAM difference between B300 and B200?▾
The B300 provides 288 GB HBM3e VRAM, while the B200 offers 192 GB HBM3e. This 50 percent increase enables the B300 to handle larger AI models without partitioning. Memory bandwidth follows suit at 12000 GB/s for B300 versus 8000 GB/s.
Which has higher FP16 performance?▾
The B200 achieves 4500 TFLOPS FP16, doubling the B300's 2250 TFLOPS. This benefits compute-bound training and inference phases. FP8 performance also favors B200 at 9000 TFLOPS over 4500 TFLOPS.
How do cloud prices compare?▾
B200 pricing starts at $1.71 per hour with an average of $4.61 across 16 offers, cheaper than B300's $2.45 starting and $6.35 average across 6 offers. Availability drives the cost gap. Both suit variable cloud workloads.
What are the TDP ratings?▾
The B300 consumes 1200W TDP, higher than the B200's 1000W. This impacts power provisioning in data centers. Cooling requirements scale accordingly for sustained performance.
B300 vs B200 for LLM training?▾
Choose B300 for LLM training due to 288 GB VRAM fitting larger models than B200's 192 GB. Its 12000 GB/s bandwidth supports bigger batches. B200 suits smaller-scale training with 4500 TFLOPS FP16.
What interconnects do they support?▾
B300 uses NVSwitch and NVLink in SXM form factor. B200 supports NVLink, PCIe 6.0, and InfiniBand across SXM and NVL. This versatility aids B200 in hybrid clusters.
Which is cheaper to rent, the B300 or the B200?▾
Cloud rental prices for both the B300 and B200 vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.
How much VRAM does the B300 have compared to the B200?▾
The B300 has 288 GB of HBM3e memory. The B200 has 192 GB of HBM3e memory.
Can I find B300 and B200 GPUs available to rent right now?▾
Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.
What is the main difference between the B300 and the B200?▾
The B300 uses the Blackwell Ultra architecture (2025) while the B200 uses Blackwell (2024). The B200 delivers 2.0x the FP16 throughput and 1.5x the memory bandwidth of the B300.
