Specifications Compared
| Spec | GB300 | QUADRO-RTX-4000 |
|---|---|---|
| TDP | 1400W | 160W |
| VRAM | 288 GB | 8 GB |
| Memory Type | HBM3e | GDDR6 |
| Architecture | Blackwell Ultra | Turing |
| Form Factors | SXM | PCIe |
| Interconnect | NVSwitch, NVLink | |
| FP8 Performance | 4,500 TFLOPS | |
| FP16 Performance | 2,250 TFLOPS | 7.1 TFLOPS |
| FP32 Performance | 90 TFLOPS | 7.1 TFLOPS |
| FP64 Performance | 45 TFLOPS | |
| INT8 Performance | 4,500 TOPS | |
| Memory Bandwidth | 12,000 GB/s | 416 GB/s |
Performance Analysis
The GB300 vastly outpaces the Quadro RTX 4000 in compute throughput: its 2250 TFLOPS FP16 performance enables training of massive language models that would overwhelm the Quadro RTX 4000's 7.1 TFLOPS. The FP32 delta, 90 TFLOPS versus 7.1 TFLOPS, accelerates simulations and rendering in professional workflows. For inference, the GB300's 4500 TFLOPS FP8 capability supports ultra-low latency on trillion-parameter models, while the Quadro RTX 4000 struggles beyond small-scale deployments.
Memory specifications define real-world scalability: the GB300's 288 GB HBM3e VRAM and 12000 GB/s bandwidth permit batch sizes exceeding thousands in training, minimizing data loading bottlenecks. The Quadro RTX 4000's 8 GB GDDR6 and 416 GB/s limit it to batches under 32 for similar models, causing frequent swapping and slowdowns. Power draw underscores deployment differences: the GB300's 1400W TDP suits datacenters, whereas the Quadro RTX 4000's 160W fits edge or desktop use.
These gaps translate to orders-of-magnitude efficiency gains on the GB300 for AI pipelines, rendering the Quadro RTX 4000 viable only for legacy or lightweight tasks.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
Quadro RTX 4000
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() Paperspace | NVIDIA Quadro RTX 4000 8GB VRAM | 8GB | 8 vCPU 30GB RAM 50GB Storage | New York | $0.56/GPU/hr | Available | ||
![]() Paperspace | NVIDIA Quadro RTX 4000 8GB VRAM | 8GB | 8 vCPU 30GB RAM 50GB Storage | Canada | $0.56/GPU/hr | Available | ||
![]() Paperspace | 2×NVIDIA Quadro RTX 4000 8GB VRAM | 8GB | 16 vCPU 60GB RAM 50GB Storage | New York | $0.56/GPU/hr $1.12/hr total (2×) | Available | ||
![]() Paperspace | NVIDIA Quadro RTX 4000 8GB VRAM | 8GB | 8 vCPU 30GB RAM 50GB Storage | Amsterdam | $0.56/GPU/hr | Available | ||
![]() Paperspace | 2×NVIDIA Quadro RTX 4000 8GB VRAM | 8GB | 16 vCPU 60GB RAM 50GB Storage | Canada | $0.56/GPU/hr $1.12/hr total (2×) | Available |
When to Choose the GB300
Select the GB300 for large-scale LLM training or inference where 288 GB VRAM holds entire models and datasets: its 2250 TFLOPS FP16 throughput completes epochs in minutes that take days on the Quadro RTX 4000. Datacenter environments with NVLink clustering demand the GB300's 12000 GB/s bandwidth to sustain high batch sizes across nodes.
When to Choose the Quadro RTX 4000
Choose the Quadro RTX 4000 for budget-conscious professional visualization or CAD workflows: its 7.1 TFLOPS FP32 and 160W TDP deliver reliable performance at $0.56 per hour without datacenter infrastructure. Small teams avoid the GB300's 1400W power and unavailability by opting for this PCIe GPU in single-node setups.
Use Cases
The GB300's 2250 TFLOPS FP16 and 288 GB VRAM handle trillion-parameter models with large batches. The Quadro RTX 4000's 7.1 TFLOPS and 8 GB cannot scale.
GB300's 4500 TFLOPS FP8 supports high-throughput serving. Quadro RTX 4000 lacks bandwidth at 416 GB/s for real-time queries.
288 GB VRAM on GB300 fits full models for efficient tuning. Quadro RTX 4000 requires heavy quantization due to 8 GB limit.
GB300 excels at high-resolution batches via 12000 GB/s bandwidth. Quadro RTX 4000 suffices for 512x512 images at 7.1 TFLOPS.
GB300's 90 TFLOPS FP32 accelerates simulations. Quadro RTX 4000's identical 7.1 TFLOPS FP32 suits small datasets only.
Frequently Asked Questions
How much more VRAM does the GB300 have than the Quadro RTX 4000?▾
The GB300 provides 288 GB HBM3e VRAM, which is 36 times more than the Quadro RTX 4000's 8 GB GDDR6. This enables loading massive AI models without offloading. Bandwidth follows suit at 12000 GB/s versus 416 GB/s.
What is the FP16 performance difference between GB300 and Quadro RTX 4000?▾
GB300 achieves 2250 TFLOPS in FP16, over 317 times the Quadro RTX 4000's 7.1 TFLOPS. This gap transforms AI training speed. FP8 on GB300 reaches 4500 TFLOPS, unavailable on the older GPU.
Is the Quadro RTX 4000 cheaper to rent in the cloud?▾
Yes, Quadro RTX 4000 starts at $0.56 per hour across five providers. GB300 has no live offers yet due to its 2025 release. Power efficiency aids its low cost at 160W TDP.
Can the Quadro RTX 4000 handle modern AI tasks?▾
It manages small-scale inference or fine-tuning with 8 GB VRAM and 7.1 TFLOPS FP16. Large LLMs exceed its 416 GB/s bandwidth. GB300 is required for production AI.
What architectures power these GPUs?▾
GB300 uses Blackwell Ultra from 2025 with NVLink. Quadro RTX 4000 employs Turing from 2018 via PCIe. The generational leap yields 90 TFLOPS FP32 on GB300 versus 7.1 TFLOPS.
Which has higher power consumption?▾
GB300 draws 1400W TDP for datacenter use. Quadro RTX 4000 consumes 160W, ideal for workstations. This affects deployment scalability.
Which is cheaper to rent, the GB300 or the Quadro RTX 4000?▾
Cloud rental prices for both the GB300 and Quadro RTX 4000 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 4000?▾
The GB300 has 288 GB of HBM3e memory. The Quadro RTX 4000 has 8 GB of GDDR6 memory.
Can I find GB300 and Quadro RTX 4000 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 4000?▾
The GB300 uses the Blackwell Ultra architecture (2025) while the Quadro RTX 4000 uses Turing (2018). The GB300 delivers 316.9x the FP16 throughput and 28.8x the memory bandwidth of the Quadro RTX 4000.
