GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The RTX PRO 4500 Blackwell has more VRAM (32GB vs 24GB), making it better suited for large models and memory-intensive workloads. Its memory bandwidth is 33% higher (896 GB/s vs 672 GB/s), translating directly to faster inference throughput. The RTX PRO 4000 Blackwell is $1,308 EUR cheaper than the RTX PRO 4500 Blackwell.
Maximum Capacity Reached. Remove a model to add another. (2/2)
RTX PRO 4000 Blackwell vs RTX PRO 4500 Blackwell: In-Depth Breakdown
VRAM: RTX PRO 4000 Blackwell vs RTX PRO 4500 Blackwell
The RTX PRO 4500 Blackwell carries 32GB of VRAM versus 24GB on the RTX PRO 4000 Blackwell. 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 RTX PRO 4500 Blackwell 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 RTX PRO 4500 Blackwell delivers 896 GB/s versus 672 GB/s on the RTX PRO 4000 Blackwell, a 33% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the RTX PRO 4500 Blackwell 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 RTX PRO 4500 Blackwell delivers 53.8 TFLOPS against 46 TFLOPS for the RTX PRO 4000 Blackwell — a 17% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the RTX PRO 4500 Blackwell.
Price & Value
The RTX PRO 4000 Blackwell lists from $2,167 EUR, $1,308 EUR less than the RTX PRO 4500 Blackwell at $3,474 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: RTX PRO 4000 Blackwell or RTX PRO 4500 Blackwell?
Choose the RTX PRO 4500 Blackwell for maximum capacity — it leads on VRAM, bandwidth, and compute, making it the better fit for large models and training jobs. The RTX PRO 4000 Blackwell is the more budget-friendly option ($1,308 EUR less) — a solid choice if your models fit within its 24GB and inference volume is moderate.