GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The Radeon PRO W7900 has more VRAM (48GB vs 16GB), making it better suited for large models and memory-intensive workloads. Its memory bandwidth is 200% higher (864 GB/s vs 288 GB/s), translating directly to faster inference throughput. The Radeon PRO W7700 is $2,996 USD cheaper than the Radeon PRO W7900.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon PRO W7700 vs Radeon PRO W7900: In-Depth Breakdown
VRAM: Radeon PRO W7700 vs Radeon PRO W7900
The Radeon PRO W7900 carries 48GB 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 32GB advantage here means the Radeon PRO W7900 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 Radeon PRO W7900 delivers 864 GB/s versus 288 GB/s on the Radeon PRO W7700, a 200% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the Radeon PRO W7900 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 Radeon PRO W7900 delivers 61.3 TFLOPS against 34.6 TFLOPS for the Radeon PRO W7700 — a 77% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the Radeon PRO W7900.
Price & Value
The Radeon PRO W7700 lists from $999 USD, $2,996 USD less than the Radeon PRO W7900 at $3,995 USD. 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 Radeon PRO W7900?
Choose the Radeon PRO W7900 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 ($2,996 USD less) — a solid choice if your models fit within its 16GB and inference volume is moderate.