Specifications Compared
| Spec | B300 | RTX-5000-ADA |
|---|---|---|
| TDP | 1200W | 250W |
| VRAM | 288 GB | 32 GB |
| Memory Type | HBM3e | GDDR6 |
| Architecture | Blackwell Ultra | Ada Lovelace |
| Form Factors | SXM | PCIe |
| Interconnect | NVSwitch, NVLink | |
| FP8 Performance | 4,500 TFLOPS | |
| FP16 Performance | 2,250 TFLOPS | 65.3 TFLOPS |
| FP32 Performance | 90 TFLOPS | 65.3 TFLOPS |
| FP64 Performance | 45 TFLOPS | |
| INT8 Performance | 4,500 TOPS | 1,044 TOPS |
| Memory Bandwidth | 12,000 GB/s | 576 GB/s |
Performance Analysis
The B300's FP16 performance reaches 2250 TFLOPS, far exceeding the RTX 5000 Ada's 65.3 TFLOPS, which accelerates deep learning training by enabling faster matrix multiplications in neural networks. Its FP32 rate of 90 TFLOPS slightly outpaces the RTX 5000 Ada's 65.3 TFLOPS, benefiting general-purpose computing tasks. For inference, the B300's FP8 capability at 4500 TFLOPS supports ultra-efficient low-precision deployments, reducing latency for large language models. Memory bandwidth defines practical limits: the B300's 12000 GB/s sustains massive batch sizes in training runs with models exceeding 100 billion parameters, while the RTX 5000 Ada's 576 GB/s restricts it to smaller batches around 32 GB datasets. The B300's 1200W TDP demands robust cooling, contrasting the RTX 5000 Ada's efficient 250W draw suitable for edge deployments.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
B300 SXM6
| 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 | |||
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 |
RTX 5000 Ada Generation
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() TensorDock | NVIDIA RTX 5000 Ada Generation 32GB VRAM | 32GB | 0 vCPU 0GB RAM | Chubbuck, Idaho | $0.55/GPU/hr | Available | ||
![]() RunPod | NVIDIA RTX 5000 Ada Generation 32GB VRAM | 32GB | 10 vCPU 83GB RAM | 🌍global | $0.83/GPU/hr |
When to Choose the B300 SXM6
Opt for the NVIDIA B300 SXM6 in scenarios demanding extreme scale, such as training large language models with over 288 GB VRAM requirements. Its 12000 GB/s bandwidth and 2250 TFLOPS FP16 performance excel in multi-GPU clusters via NVLink and NVSwitch, ideal for research labs handling trillion-parameter models. Cloud pricing starts at $2.45 per hour, justified for high-throughput inference at 4500 TFLOPS FP8.
When to Choose the RTX 5000 Ada Generation
The NVIDIA RTX 5000 Ada Generation suits budget-conscious users for professional visualization or moderate AI tasks. With 32 GB GDDR6 and 576 GB/s bandwidth, it handles Stable Diffusion workflows or fine-tuning models under 30 billion parameters efficiently. At $0.25 per hour starting price, its 250W TDP fits PCIe-based cloud instances for CAD rendering or small-scale inference without cluster complexity.
Use Cases
The B300's 288 GB HBM3e VRAM and 2250 TFLOPS FP16 support training models with hundreds of billions of parameters. The RTX 5000 Ada's 32 GB limits it to much smaller scales.
B300's 4500 TFLOPS FP8 and 12000 GB/s bandwidth enable low-latency serving of massive models. RTX 5000 Ada's 65.3 TFLOPS FP16 suffices only for lightweight inference.
B300 handles large-batch fine-tuning with 90 TFLOPS FP32 and high VRAM. RTX 5000 Ada works for smaller models but bottlenecks on memory.
RTX 5000 Ada's 32 GB GDDR6 and 65.3 TFLOPS FP16 generate images efficiently at low cost. B300's scale is unnecessary for typical diffusion tasks.
B300's 12000 GB/s bandwidth and NVLink accelerate simulations with large datasets. RTX 5000 Ada's PCIe form factor limits multi-node scaling.
Frequently Asked Questions
What is the VRAM difference between B300 SXM6 and RTX 5000 Ada?▾
The B300 SXM6 offers 288 GB HBM3e VRAM, while the RTX 5000 Ada provides 32 GB GDDR6. This enables the B300 to load models nine times larger.
How do their FP16 performances compare?▾
B300 achieves 2250 TFLOPS in FP16, compared to 65.3 TFLOPS on RTX 5000 Ada. The gap translates to over 34 times faster tensor operations for AI training.
What are the cloud pricing ranges?▾
B300 SXM6 starts at $2.45 per hour with an average of $6.44 per hour across 7 offers. RTX 5000 Ada begins at $0.25 per hour, averaging $0.51 per hour over 5 offers.
Which has higher memory bandwidth?▾
B300 delivers 12000 GB/s, over 20 times the RTX 5000 Ada's 576 GB/s. This supports larger batch sizes in deep learning workflows.
What are their TDPs?▾
B300 requires 1200W TDP for SXM form factor, versus 250W for RTX 5000 Ada's PCIe design. Higher TDP correlates with peak compute on B300.
When was each architecture released?▾
Blackwell Ultra for B300 launched in 2025, while Ada Lovelace for RTX 5000 Ada debuted in 2023. The two-year gap yields major spec advances.
Which is cheaper to rent, the B300 or the RTX 5000 Ada?▾
Cloud rental prices for both the B300 and RTX 5000 Ada 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 RTX 5000 Ada?▾
The B300 has 288 GB of HBM3e memory. The RTX 5000 Ada has 32 GB of GDDR6 memory.
Can I find B300 and RTX 5000 Ada 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 RTX 5000 Ada?▾
The B300 uses the Blackwell Ultra architecture (2025) while the RTX 5000 Ada uses Ada Lovelace (2023). The B300 delivers 34.5x the FP16 throughput and 20.8x the memory bandwidth of the RTX 5000 Ada.

