Specifications Compared
| Spec | GB300 | RTX-PRO-6000-BLACKWELL |
|---|---|---|
| TDP | 1400W | 400W |
| VRAM | 288 GB | 96 GB |
| Memory Type | HBM3e | GDDR7 |
| Architecture | Blackwell Ultra | Blackwell |
| Form Factors | SXM | PCIe |
| Interconnect | NVSwitch, NVLink | NVLink |
| FP8 Performance | 4,500 TFLOPS | 2,000 TFLOPS |
| FP16 Performance | 2,250 TFLOPS | 125 TFLOPS |
| FP32 Performance | 90 TFLOPS | 125 TFLOPS |
| FP64 Performance | 45 TFLOPS | |
| INT8 Performance | 4,500 TOPS | 2,000 TOPS |
| Memory Bandwidth | 12,000 GB/s | 1,792 GB/s |
Performance Analysis
The GB300 dominates in raw compute with 2250 TFLOPS FP16 versus 125 TFLOPS on the RTX PRO 6000, enabling faster AI model training where half-precision dominates. Its FP32 at 90 TFLOPS trails the RTX PRO 6000's balanced 125 TFLOPS, but this matters less in deep learning pipelines favoring FP16 and FP8 at 4500 TFLOPS on GB300 over 2000 TFLOPS.
Memory specs define real-world viability: 288 GB HBM3e and 12000 GB/s bandwidth on the GB300 support enormous batch sizes in large language model training, reducing iterations and memory swaps. The RTX PRO 6000's 96 GB GDDR7 and 1792 GB/s limit it to smaller models or inference with modest batches, risking out-of-memory errors on datasets exceeding 96 GB.
Power draw underscores trade-offs: the GB300's 1400W TDP suits liquid-cooled clusters for sustained exaflop-scale inference, while the 400W RTX PRO 6000 fits air-cooled PCIe slots for edge or development, prioritizing efficiency over peak throughput.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
RTX PRO 6000
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
VERDA | 2×NVIDIA RTX PRO 6000 Blackwell 96GB VRAM | 96GB | 60 vCPU 180GB RAM | Helsinki | $1.89/GPU/hr $3.78/hr total (2×) | Available | ||
VERDA | NVIDIA RTX PRO 6000 Blackwell 96GB VRAM | 96GB | 30 vCPU 90GB RAM | Helsinki | $1.89/GPU/hr | Available |
When to Choose the GB300
The GB300 excels in hyperscale AI training and inference clusters. Its 288 GB VRAM and 12000 GB/s bandwidth handle models with trillions of parameters, such as GPT-scale LLMs, enabling batch sizes impossible on lesser GPUs. NVSwitch interconnects facilitate multi-GPU scaling for exascale scientific simulations.
Datacenter operators prioritize it for FP8 inference at 4500 TFLOPS, where 1400W TDP justifies returns in production environments lacking PCIe constraints.
When to Choose the RTX PRO 6000
The RTX PRO 6000 suits workstation prototyping and cost-sensitive deployments. At 400W TDP and PCIe form factor, it integrates into standard servers without specialized cooling, with pricing from $0.59 per hour across five providers.
Developers choose it for fine-tuning mid-sized models within 96 GB VRAM or FP32-heavy tasks at 125 TFLOPS, balancing performance with immediate availability.
Use Cases
GB300's 2250 TFLOPS FP16 and 288 GB HBM3e VRAM enable training of massive models with large batch sizes. RTX PRO 6000's 96 GB limits scale.
4500 TFLOPS FP8 and 12000 GB/s bandwidth on GB300 support high-throughput serving of trillion-parameter models. RTX PRO 6000 suffices for smaller deployments only.
GB300 accelerates large datasets via superior memory; RTX PRO 6000 handles mid-sized models efficiently at 400W and $0.59 per hour.
RTX PRO 6000's 96 GB VRAM and 2000 TFLOPS FP8 meet image generation needs without excess power. GB300 overkill for single-node creative tasks.
GB300's NVSwitch and 12000 GB/s bandwidth scale simulations across nodes. RTX PRO 6000 fits single-workstation analysis.
Frequently Asked Questions
Which GPU has more VRAM?▾
The GB300 offers 288 GB HBM3e VRAM compared to 96 GB GDDR7 on the RTX PRO 6000. This enables larger models on GB300. Bandwidth follows suit at 12000 GB/s versus 1792 GB/s.
What is the FP16 performance difference?▾
GB300 delivers 2250 TFLOPS FP16, dwarfing the RTX PRO 6000's 125 TFLOPS. This gap accelerates AI training significantly. FP8 shows 4500 TFLOPS versus 2000 TFLOPS.
Is the GB300 available for cloud rental?▾
No live offers exist for the GB300 currently. The RTX PRO 6000 has five providers from $0.59 per hour, averaging $1.25 per hour.
Which has lower power consumption?▾
RTX PRO 6000 uses 400W TDP versus GB300's 1400W. This makes RTX PRO 6000 suitable for standard PCIe setups. GB300 requires datacenter cooling.
Can these GPUs interconnect?▾
Both support NVLink; GB300 adds NVSwitch for cluster scaling. RTX PRO 6000 fits PCIe with NVLink for multi-GPU nodes. Form factors differ: SXM versus PCIe.
Which is better for inference?▾
GB300 leads with 4500 TFLOPS FP8 and 288 GB VRAM for high-volume serving. RTX PRO 6000 works for lighter loads at lower cost.
Which is cheaper to rent, the GB300 or the RTX PRO 6000?▾
Cloud rental prices for both the GB300 and RTX PRO 6000 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 GB300 have compared to the RTX PRO 6000?▾
The GB300 has 288 GB of HBM3e memory. The RTX PRO 6000 has 96 GB of GDDR7 memory.
Can I find GB300 and RTX PRO 6000 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 GB300 and the RTX PRO 6000?▾
The GB300 uses the Blackwell Ultra architecture (2025) while the RTX PRO 6000 uses Blackwell (2025). The GB300 delivers 18.0x the FP16 throughput and 6.7x the memory bandwidth of the RTX PRO 6000.