GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The RTX 4500 Ada Generation has more VRAM (24GB vs 20GB), making it better suited for large models and memory-intensive workloads. Its memory bandwidth is 48% higher (640 GB/s vs 432 GB/s), translating directly to faster inference throughput. The RTX A4500 is $1,238 GBP cheaper than the RTX 4500 Ada Generation.
Maximum Capacity Reached. Remove a model to add another. (2/2)
RTX 4500 Ada Generation vs RTX A4500: In-Depth Breakdown
VRAM: RTX 4500 Ada Generation vs RTX A4500
The RTX 4500 Ada Generation carries 24GB of VRAM versus 20GB on the RTX A4500. 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 4GB advantage here means the RTX 4500 Ada Generation 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 A4500 delivers 640 GB/s versus 432 GB/s on the RTX 4500 Ada Generation, a 48% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the RTX A4500 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 4500 Ada Generation delivers 39.6 TFLOPS against 23.7 TFLOPS for the RTX A4500 — a 67% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the RTX 4500 Ada Generation.
Price & Value
The RTX A4500 lists from $1,157 GBP, $1,238 GBP less than the RTX 4500 Ada Generation at $2,395 GBP. 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 4500 Ada Generation or RTX A4500?
These cards suit different priorities. Choose the RTX 4500 Ada Generation if fitting larger models in VRAM is your constraint. Choose the RTX A4500 if your models already fit and you want faster inference throughput from its higher memory bandwidth.