Quadro RTX 3000 vs Radeon PRO W5500
With 8GB on board versus 6GB for the Quadro RTX 3000, the Radeon PRO W5500 carries more headroom for large models and memory-hungry workloads. Its memory bandwidth is 50% higher (336 GB/s vs 224 GB/s), translating directly to faster inference throughput. Price-wise, the Radeon PRO W5500 undercuts the Quadro RTX 3000 by $373 EUR.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Comparable or lower specs
Quadro RTX 3000 vs Radeon PRO W5500: In-Depth Breakdown
VRAM: Quadro RTX 3000 vs Radeon PRO W5500
With 8GB of VRAM against the Quadro RTX 3000's 6GB, the Radeon PRO W5500 has a 2GB edge. VRAM is what determines whether a model fits without quantization at all — a 70B-parameter model in FP16 needs around 140GB, and smaller models still benefit from spare capacity. That extra headroom lets the Radeon PRO W5500 load bigger models and run larger production batch sizes.
Inference Speed: Memory Bandwidth
Memory bandwidth determines how quickly data is fed to the compute units — it's the main bottleneck for autoregressive inference (token generation in LLMs). The Quadro RTX 3000 delivers 336 GB/s versus 224 GB/s on the Radeon PRO W5500, a 50% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the Quadro RTX 3000 will produce tokens proportionally faster in bandwidth-bound workloads.
AI Training & Compute
FP32 throughput is the metric that matters most for training, scientific simulation, and rendering work. The Quadro RTX 3000 posts 5.3 TFLOPS versus 5 TFLOPS on the Radeon PRO W5500, a 6% compute lead. Expect training jobs and heavy matrix math to finish proportionally sooner on the Quadro RTX 3000.
Price & Value
The Radeon PRO W5500 lists from $348 EUR, $373 EUR less than the Quadro RTX 3000 at $721 EUR. For budget-constrained teams, the savings may outweigh the spec gap — especially if the smaller card covers your typical workload.
Which should you buy: Quadro RTX 3000 or Radeon PRO W5500?
The two cards trade off differently. Pick the Radeon PRO W5500 when VRAM capacity for larger models is the limiting factor. Pick the Quadro RTX 3000 when your models already fit and you'd rather have the inference speed its higher memory bandwidth provides.
Frequently Asked Questions
Can the Quadro RTX 3000 or Radeon PRO W5500 run large language models?
Which is faster for LLM inference, the Quadro RTX 3000 or the Radeon PRO W5500?
Which is better for AI training?
Which should you buy: Quadro RTX 3000 or Radeon PRO W5500?
Technical Specifications Comparison
Architecture & Cores
| Specification | Quadro RTX 3000 | Radeon PRO W5500 |
|---|---|---|
| Architecture | Turing | RDNA 1 |
| CUDA Cores (CUDA Cores / Stream Processors) | 1,920✓ | 1,408 |
Memory
| Specification | Quadro RTX 3000 | Radeon PRO W5500 |
|---|---|---|
| VRAM Capacity | 6 GB | 8 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 192-bit✓ | 128-bit |
| Bandwidth | 336 GB/s✓ | 224 GB/s |
Connectivity & Power
| Specification | Quadro RTX 3000 | Radeon PRO W5500 |
|---|---|---|
| Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| TDP | 160 W | 75 W✓ |
| Released | Apr 2019 | Nov 2019 |
Workstation
| Specification | Quadro RTX 3000 | Radeon PRO W5500 |
|---|---|---|
| FP32 (TFLOPS) | 5.3 TFLOPS✓ | 5 TFLOPS |
| ECC | Yes | Yes |
| NVLink | No | No |
| Form factor | single-slot | dual-slot |