Specifications Compared
| Spec | QUADRO-RTX-6000 | RTX-A4000 |
|---|---|---|
| TDP | 260W | 140W |
| VRAM | 24 GB | 16 GB |
| CUDA Cores | 4,608 | 6,144 |
| Memory Type | GDDR6 | GDDR6 |
| Architecture | Turing | Ampere |
| Form Factors | PCIe | PCIe |
| Interconnect | NVLink | |
| Tensor Cores | 576 | 192 |
| FP16 Performance | 16.3 TFLOPS | 19.2 TFLOPS |
| FP32 Performance | 16.3 TFLOPS | 19.2 TFLOPS |
| Memory Bandwidth | 672 GB/s | 448 GB/s |
Performance Analysis
The RTX A4500 demonstrates clear computational superiority: its Ampere architecture achieves 23.7 TFLOPS in FP16 and FP32, surpassing the Quadro RTX 6000's 16.3 TFLOPS by 45 percent. This advantage accelerates deep learning training, where FP16 mixed precision reduces memory usage while maintaining speed, and FP32 ensures precise inference results.
Memory bandwidth remains competitive, with the Quadro RTX 6000 at 672 GB/s slightly ahead of the A4500's 640 GB/s. Higher bandwidth on the Quadro supports larger batch sizes in memory-bound tasks like large-scale simulations. However, the A4500's higher TFLOPS per watt (23.7 TFLOPS at 200W versus 16.3 TFLOPS at 260W) enables efficient scaling in multi-GPU setups via NVLink. The Quadro's 24 GB VRAM handles massive models better than the A4500's 20 GB, preventing out-of-memory errors in VRAM-intensive inference.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
RTX A4500
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 TensorDock | NVIDIA RTX A4000 16GB VRAM | 16GB | 0 vCPU 0GB RAM | Tallinn, Harjumaa | $0.08/GPU/hr | Available | ||
 Vast.ai | 8×NVIDIA RTX A4000 16GB VRAM | 16GB | 80 vCPU 201GB RAM 1698GB Storage | United Kingdom | $0.15/GPU/hr $1.17/hr total (8×) | Available | ||
 Hyperstack | 4×NVIDIA RTX A4000 16GB VRAM | 16GB | 16 vCPU 86GB RAM 500GB Storage | Norway | $0.15/GPU/hr $0.60/hr total (4×) | Available | ||
Hyperstack | 2×NVIDIA RTX A4000 16GB VRAM | 16GB | 8 vCPU 43GB RAM 200GB Storage | Norway | $0.15/GPU/hr $0.30/hr total (2×) | Available | ||
Hyperstack | NVIDIA RTX A4000 16GB VRAM | 16GB | 4 vCPU 21GB RAM 100GB Storage | Norway | $0.15/GPU/hr | Available |
When to Choose the Quadro RTX 6000
The Quadro RTX 6000 suits scenarios demanding maximum VRAM capacity. Its 24 GB GDDR6 exceeds the A4500's 20 GB, ideal for training or inferencing very large language models that exceed 20 GB footprints. Professionals using legacy Turing-optimized software or requiring the highest 672 GB/s bandwidth for data-heavy scientific computing select this GPU.
When to Choose the RTX A4500
The RTX A4500 excels in power-efficient, high-performance environments. With 23.7 TFLOPS FP16/FP32 performance at 140W lower TDP than the Quadro's 260W, it reduces operational costs in data centers. Cloud deployments favor it due to pricing from $0.10 per hour, and Ampere architecture ensures better support for modern CUDA libraries and ray tracing workloads.
Use Cases
The Quadro RTX 6000's 24 GB VRAM handles larger models without splitting batches, unlike the A4500's 20 GB limit. Its 672 GB/s bandwidth supports high-throughput data loading during extended training runs.
The A4500's 23.7 TFLOPS FP16 performance delivers 45 percent faster inference than the Quadro's 16.3 TFLOPS. Lower 200W TDP enables dense server deployments for high-query volumes.
Both GPUs manage fine-tuning workloads effectively, with Quadro's 24 GB VRAM for bigger datasets and A4500's 23.7 TFLOPS for quicker iterations. Choice depends on batch size needs versus power constraints.
Ampere architecture on A4500 accelerates diffusion models via superior 23.7 TFLOPS ray tracing and tensor performance. Cloud pricing at $0.10 per hour makes iterative image generation cost-effective.
Quadro RTX 6000's 24 GB VRAM and 672 GB/s bandwidth excel in memory-intensive simulations like molecular dynamics. NVLink support facilitates multi-GPU scaling for complex computations.
Frequently Asked Questions
Which GPU has more VRAM?▾
The Quadro RTX 6000 provides 24 GB GDDR6 VRAM, exceeding the RTX A4500's 20 GB. This difference matters for workloads exceeding 20 GB model sizes. Both use GDDR6 memory types.
What is the performance difference in TFLOPS?▾
The RTX A4500 delivers 23.7 TFLOPS in FP16 and FP32, 45 percent higher than the Quadro RTX 6000's 16.3 TFLOPS. This boosts training and inference speeds significantly. Ampere architecture enables the gain.
Which has higher memory bandwidth?▾
Quadro RTX 6000 offers 672 GB/s bandwidth, slightly above A4500's 640 GB/s. Higher bandwidth aids larger batch sizes in data-parallel tasks. Both support high-throughput transfers.
What are the power requirements?▾
RTX A4500 consumes 200W TDP, lower than Quadro RTX 6000's 260W. This improves efficiency in power-limited environments. A4500 achieves higher TFLOPS per watt as a result.
Is cloud pricing available for these GPUs?▾
RTX A4500 has live offers from $0.10 per hour, averaging $0.19 per hour across four providers. Quadro RTX 6000 currently has no live cloud offers. Pricing favors the A4500 for rentals.
Do both support NVLink?▾
Both GPUs include NVLink interconnect support for multi-GPU configurations. Quadro RTX 6000 uses NVLink 2.0, while A4500 employs NVLink 3.0 at higher speeds. This enables efficient scaling.
Which is cheaper to rent, the Quadro RTX 6000 or the RTX A4000?▾
Cloud rental prices for both the Quadro RTX 6000 and RTX A4000 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 Quadro RTX 6000 have compared to the RTX A4000?▾
The Quadro RTX 6000 has 24 GB of GDDR6 memory. The RTX A4000 has 16 GB of GDDR6 memory.
Can I find Quadro RTX 6000 and RTX A4000 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 Quadro RTX 6000 and the RTX A4000?▾
The Quadro RTX 6000 uses the Turing architecture (2018) while the RTX A4000 uses Ampere (2021). The RTX A4000 delivers 1.2x the FP16 throughput and 1.5x the memory bandwidth of the Quadro RTX 6000.