GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The Quadro RTX 5000 has more VRAM (16GB vs 8GB), making it better suited for large models and memory-intensive workloads. Its memory bandwidth is 100% higher (448 GB/s vs 224 GB/s), translating directly to faster inference throughput.
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Comparable or lower specs
Quadro RTX 5000 vs Radeon PRO W5500: In-Depth Breakdown
VRAM: Quadro RTX 5000 vs Radeon PRO W5500
The Quadro RTX 5000 carries 16GB of VRAM versus 8GB on the Radeon PRO W5500. VRAM capacity is the primary constraint for running AI models without quantization — a 70B-parameter model in FP16 requires roughly 140GB, and even smaller models benefit from extra headroom. The 8GB advantage here means the Quadro RTX 5000 can run larger models natively and handle bigger batch sizes in production.
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 5000 delivers 448 GB/s versus 224 GB/s on the Radeon PRO W5500, a 100% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the Quadro RTX 5000 will produce tokens proportionally faster in bandwidth-bound workloads.
AI Training & Compute
For model training, scientific simulation, and rendering, FP32 throughput is the key metric. The Quadro RTX 5000 delivers 11.2 TFLOPS against 5 TFLOPS for the Radeon PRO W5500 — a 124% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the Quadro RTX 5000.
Which should you buy: Quadro RTX 5000 or Radeon PRO W5500?
The Quadro RTX 5000 is the stronger choice for large-model workloads where VRAM is the bottleneck. The Radeon PRO W5500 is more economical, and sufficient if your models fit within its 8GB.
Frequently Asked Questions
Can the Quadro RTX 5000 or Radeon PRO W5500 run large language models?
Which is faster for LLM inference, the Quadro RTX 5000 or the Radeon PRO W5500?
Which is better for AI training?
Technical Specifications Comparison
Architecture & Cores
| Specification | Quadro RTX 5000 | Radeon PRO W5500 |
|---|---|---|
| Architecture | Turing | RDNA 1 |
| CUDA Cores (CUDA Cores / Stream Processors) | 3,072✓ | 1,408 |
Memory
| Specification | Quadro RTX 5000 | Radeon PRO W5500 |
|---|---|---|
| VRAM Capacity | 16 GB✓ | 8 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit✓ | 128-bit |
| Bandwidth | 448 GB/s✓ | 224 GB/s |
Connectivity & Power
| Specification | Quadro RTX 5000 | Radeon PRO W5500 |
|---|---|---|
| Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| TDP | 230 W | 75 W✓ |
| Released | Oct 2018 | Nov 2019 |
Workstation
| Specification | Quadro RTX 5000 | Radeon PRO W5500 |
|---|---|---|
| FP32 (TFLOPS) | 11.2 TFLOPS✓ | 5 TFLOPS |
| ECC | Yes | Yes |
| NVLink | No | No |
| Form factor | dual-slot | dual-slot |