Specifications Compared
| Spec | B300 | RTX-6000-ADA |
|---|---|---|
| TDP | 1200W | 300W |
| VRAM | 288 GB | 48 GB |
| Memory Type | HBM3e | GDDR6 |
| Architecture | Blackwell Ultra | Ada Lovelace |
| Form Factors | SXM | PCIe |
| Interconnect | NVSwitch, NVLink | NVLink |
| FP8 Performance | 4,500 TFLOPS | |
| FP16 Performance | 2,250 TFLOPS | 91.1 TFLOPS |
| FP32 Performance | 90 TFLOPS | 91.1 TFLOPS |
| FP64 Performance | 45 TFLOPS | 1.4 TFLOPS |
| INT8 Performance | 4,500 TOPS | 1,457 TOPS |
| Memory Bandwidth | 12,000 GB/s | 960 GB/s |
Performance Analysis
The B300's FP16 throughput of 2250 TFLOPS dwarfs the RTX 6000 Ada's 91.1 TFLOPS, making it ideal for training deep learning models where half-precision computations dominate. The FP32 performance remains comparable at 90 TFLOPS for B300 and 91.1 TFLOPS for RTX 6000 Ada, but the B300's FP8 capability of 4500 TFLOPS enhances inference efficiency for quantized models. This FP16 and FP8 advantage translates to faster epochs in large-scale training and lower latency in serving.
Memory bandwidth profoundly impacts real-world usage: the B300's 12000 GB/s supports massive batch sizes for models exceeding 48 GB VRAM, preventing out-of-memory errors common on the RTX 6000 Ada. The 288 GB HBM3e capacity on B300 handles trillion-parameter LLMs, while 960 GB/s on RTX 6000 Ada limits it to smaller batches or models. Power draw of 1200W for B300 versus 300W for RTX 6000 Ada suits datacenter cooling but demands robust infrastructure.
Interconnects further differentiate them: B300 uses NVSwitch and NVLink for multi-GPU scaling, outperforming the RTX 6000 Ada's PCIe and NVLink in clustered environments.
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 6000 Ada Generation
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() RunPod | NVIDIA RTX 6000 Ada Generation 48GB VRAM | 48GB | 16 vCPU 188GB RAM | 🌍global | $0.50/GPU/hr | |||
![]() RunPod | NVIDIA RTX 6000 Ada Generation 48GB VRAM | 48GB | 10 vCPU 167GB RAM | 🌍global | $0.77/GPU/hr | |||
![]() Massed Compute | NVIDIA RTX 6000 Ada Generation 48GB VRAM | 48GB | 12 vCPU 72GB RAM 350GB Storage | Iowa | $0.79/GPU/hr | Available | ||
![]() Massed Compute | 8×NVIDIA RTX 6000 Ada Generation 48GB VRAM | 48GB | 104 vCPU 640GB RAM 2800GB Storage | Iowa | $0.79/GPU/hr $6.32/hr total (8×) | Available | ||
![]() Massed Compute | 4×NVIDIA RTX 6000 Ada Generation 48GB VRAM | 48GB | 52 vCPU 288GB RAM 1400GB Storage | Iowa | $0.79/GPU/hr $3.16/hr total (4×) | Available |
When to Choose the B300 SXM6
Opt for the B300 in scenarios demanding extreme scale, such as training LLMs with over 100 billion parameters that require 288 GB HBM3e VRAM. Its 12000 GB/s bandwidth and 2250 TFLOPS FP16 enable processing massive datasets without bottlenecks. Datacenter users benefit from NVSwitch interconnects for multi-node clusters at $2.45 per hour starting price.
When to Choose the RTX 6000 Ada Generation
The RTX 6000 Ada suits budget-conscious developers handling models under 48 GB VRAM, like fine-tuning mid-sized networks. Its 300W TDP fits standard workstations via PCIe, and $0.13 per hour pricing across 51 offers minimizes costs. Balanced FP16 and FP32 at 91.1 TFLOPS each support graphics and compute tasks without datacenter overhead.
Use Cases
The B300's 288 GB HBM3e VRAM and 2250 TFLOPS FP16 handle trillion-parameter models with large batches. RTX 6000 Ada's 48 GB limits scale.
B300's 4500 TFLOPS FP8 and 12000 GB/s bandwidth deliver low-latency serving for massive models. RTX 6000 Ada suits only smaller deployments.
RTX 6000 Ada's 48 GB VRAM and 91.1 TFLOPS suffice for mid-sized models at low $0.13 per hour cost. B300 excels for parameter-heavy fine-tuning needing 288 GB.
RTX 6000 Ada's 48 GB GDDR6 and 960 GB/s bandwidth generate images efficiently on PCIe workstations. B300's 1200W TDP overkills typical needs.
RTX 6000 Ada's 91.1 TFLOPS FP32 matches simulations under 48 GB data. B300's power suits only hyperscale HPC.
Frequently Asked Questions
Which GPU has more VRAM?▾
The B300 provides 288 GB HBM3e VRAM, far exceeding the RTX 6000 Ada's 48 GB GDDR6. This enables B300 to load models six times larger. RTX 6000 Ada fits smaller datasets.
How do their prices compare?▾
RTX 6000 Ada starts at $0.13 per hour with an average of $1.20 per hour across 51 offers. B300 begins at $2.45 per hour averaging $6.44 per hour over 7 offers. Cost reflects datacenter versus workstation focus.
What is the FP16 performance difference?▾
B300 achieves 2250 TFLOPS FP16, over 24 times the RTX 6000 Ada's 91.1 TFLOPS. This boosts AI training speed dramatically. Inference also benefits from B300's FP8 at 4500 TFLOPS.
Which is better for large model training?▾
B300 excels with 288 GB VRAM and 12000 GB/s bandwidth for batch sizes impossible on RTX 6000 Ada's 48 GB and 960 GB/s. Multi-GPU scaling via NVSwitch seals its advantage.
What are their power requirements?▾
B300 demands 1200W TDP in SXM form factor for datacenters. RTX 6000 Ada uses 300W in PCIe, suiting desktops. Higher TDP correlates with B300's performance gains.
Can they interconnect for clusters?▾
B300 supports NVSwitch and NVLink for high-bandwidth multi-GPU. RTX 6000 Ada uses NVLink and PCIe, adequate for smaller clusters. B300 scales better for exascale AI.
Which is cheaper to rent, the B300 or the RTX 6000 Ada?▾
Cloud rental prices for both the B300 and RTX 6000 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 6000 Ada?▾
The B300 has 288 GB of HBM3e memory. The RTX 6000 Ada has 48 GB of GDDR6 memory.
Can I find B300 and RTX 6000 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 6000 Ada?▾
The B300 uses the Blackwell Ultra architecture (2025) while the RTX 6000 Ada uses Ada Lovelace (2022). The B300 delivers 24.7x the FP16 throughput and 12.5x the memory bandwidth of the RTX 6000 Ada.

