GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The RTX PRO 4000 Blackwell has more VRAM (24GB vs 16GB), making it better suited for large models and memory-intensive workloads. Its memory bandwidth is 133% higher (672 GB/s vs 288 GB/s), translating directly to faster inference throughput. The Radeon PRO W7700 is $1,534 CAD cheaper than the RTX PRO 4000 Blackwell.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon PRO W7700 vs RTX PRO 4000 Blackwell: In-Depth Breakdown
VRAM: Radeon PRO W7700 vs RTX PRO 4000 Blackwell
The RTX PRO 4000 Blackwell carries 24GB of VRAM versus 16GB on the Radeon PRO W7700. 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 4000 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 4000 Blackwell delivers 672 GB/s versus 288 GB/s on the Radeon PRO W7700, a 133% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the RTX PRO 4000 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 4000 Blackwell delivers 46 TFLOPS against 34.6 TFLOPS for the Radeon PRO W7700 — a 33% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the RTX PRO 4000 Blackwell.
Price & Value
The Radeon PRO W7700 lists from $1,399 CAD, $1,534 CAD less than the RTX PRO 4000 Blackwell at $2,933 CAD. For budget-constrained teams, the savings may outweigh the spec gap — especially if the smaller card covers your typical workload.
Which should you buy: Radeon PRO W7700 or RTX PRO 4000 Blackwell?
Choose the RTX PRO 4000 Blackwell for maximum capacity — it leads on VRAM, bandwidth, and compute, making it the better fit for large models and training jobs. The Radeon PRO W7700 is the more budget-friendly option ($1,534 CAD less) — a solid choice if your models fit within its 16GB and inference volume is moderate.