Specifications Compared
| Spec | GB300 | QUADRO-RTX-6000 |
|---|---|---|
| TDP | 1400W | 260W |
| VRAM | 288 GB | 24 GB |
| Memory Type | HBM3e | GDDR6 |
| Architecture | Blackwell Ultra | Turing |
| Form Factors | SXM | PCIe |
| Interconnect | NVSwitch, NVLink | NVLink |
| FP8 Performance | 4,500 TFLOPS | |
| FP16 Performance | 2,250 TFLOPS | 16.3 TFLOPS |
| FP32 Performance | 90 TFLOPS | 16.3 TFLOPS |
| FP64 Performance | 45 TFLOPS | |
| INT8 Performance | 4,500 TOPS | |
| Memory Bandwidth | 12,000 GB/s | 672 GB/s |
Performance Analysis
The GB300 vastly outpaces the Quadro RTX 6000 in compute throughput: its 2250 TFLOPS FP16 and 90 TFLOPS FP32 dwarf the Quadro's 16.3 TFLOPS in both precisions. This FP16-to-FP32 ratio on the GB300, 25:1, optimizes large-scale AI training where mixed precision reduces memory demands without accuracy loss, enabling models infeasible on the Quadro. Inference benefits from the GB300's 4500 TFLOPS FP8 capability, accelerating quantized deployments by over 275 times the Quadro's FP16 rate.
Memory bandwidth defines workload scalability: the GB300's 12000 GB/s supports massive batch sizes in transformer training, processing datasets 18 times faster than the Quadro's 672 GB/s limit. Smaller batches on the Quadro suffice for inference on modest models but bottleneck large language models. Power efficiency diverges with the GB300's 1400W TDP yielding 1.6 TFLOPS/W in FP16 versus the Quadro's 0.06 TFLOPS/W, prioritizing density in clusters over workstation thrift.
Live Cloud Pricing
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When to Choose the GB300
The GB300 excels in datacenter environments demanding extreme scale: its 288 GB HBM3e VRAM accommodates full-parameter training of trillion-scale LLMs, impossible on 24 GB systems. Deploy it for hyperscale inference clusters leveraging 12000 GB/s bandwidth and NVSwitch for multi-GPU synchronization.
AI researchers prioritize the GB300 for FP8 at 4500 TFLOPS, slashing latency in production serving compared to legacy hardware.
When to Choose the Quadro RTX 6000
The Quadro RTX 6000 suits budget-conscious workstations: its PCIe form factor and 260W TDP integrate seamlessly into desktops for CAD and rendering without datacenter infrastructure. Professionals value its 16.3 TFLOPS FP32 for real-time visualization tasks where 24 GB GDDR6 handles complex scenes adequately.
Legacy software compatibility favors the Quadro in environments avoiding 2025 architecture transitions.
Use Cases
The GB300's 288 GB HBM3e VRAM and 2250 TFLOPS FP16 support full-model training with large batches. The Quadro RTX 6000's 24 GB restricts it to tiny models.
GB300's 4500 TFLOPS FP8 and 12000 GB/s bandwidth enable high-throughput quantized serving. Quadro's 16.3 TFLOPS FP16 limits scale.
GB300 handles parameter-efficient methods on 288 GB VRAM with 90 TFLOPS FP32. Quadro's capacity caps dataset sizes.
GB300 accelerates diffusion models via 2250 TFLOPS FP16 for batch generation. Quadro manages small-scale but not high-res.
GB300's 12000 GB/s bandwidth speeds simulations; 1400W TDP fits clusters. Quadro suits single-node viz at 672 GB/s.
Frequently Asked Questions
What is the VRAM difference between GB300 and Quadro RTX 6000?▾
The GB300 provides 288 GB HBM3e VRAM, 12 times more than the Quadro RTX 6000's 24 GB GDDR6. This enables larger models on GB300. Bandwidth reaches 12000 GB/s on GB300 versus 672 GB/s.
How do FP16 performances compare?▾
GB300 delivers 2250 TFLOPS FP16, over 138 times the Quadro RTX 6000's 16.3 TFLOPS. This gap accelerates AI training. GB300 adds 4500 TFLOPS FP8 for inference.
What are the power requirements?▾
GB300 has a 1400W TDP for datacenter use, compared to Quadro RTX 6000's 260W for workstations. GB300 yields higher efficiency per watt in FP16. Form factors differ: SXM versus PCIe.
Which has better memory bandwidth?▾
GB300 offers 12000 GB/s, 18 times the Quadro RTX 6000's 672 GB/s. This supports bigger batches in ML. HBM3e on GB300 outperforms GDDR6.
When was each GPU released?▾
GB300 uses 2025 Blackwell Ultra architecture; Quadro RTX 6000 employs 2018 Turing. Interconnects include NVSwitch on GB300 versus NVLink only on Quadro. Compute specs reflect generational leaps.
Can Quadro RTX 6000 handle modern AI tasks?▾
Quadro RTX 6000's 16.3 TFLOPS FP32 limits it to small-scale fine-tuning with 24 GB VRAM. GB300's 90 TFLOPS FP32 and 288 GB excel broadly. Use Quadro for legacy viz.
Which is cheaper to rent, the GB300 or the Quadro RTX 6000?▾
Cloud rental prices for both the GB300 and Quadro RTX 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 Quadro RTX 6000?▾
The GB300 has 288 GB of HBM3e memory. The Quadro RTX 6000 has 24 GB of GDDR6 memory.
Can I find GB300 and Quadro RTX 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 Quadro RTX 6000?▾
The GB300 uses the Blackwell Ultra architecture (2025) while the Quadro RTX 6000 uses Turing (2018). The GB300 delivers 138.0x the FP16 throughput and 17.9x the memory bandwidth of the Quadro RTX 6000.