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 16GB), making it better suited for large models and memory-intensive workloads. The RTX A4000 is $1,450 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 A4000: In-Depth Breakdown
VRAM: RTX 4500 Ada Generation vs RTX A4000
The RTX 4500 Ada Generation carries 24GB of VRAM versus 16GB on the RTX A4000. 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 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 A4000 delivers 448 GB/s versus 432 GB/s on the RTX 4500 Ada Generation, a 4% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the RTX A4000 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 19.2 TFLOPS for the RTX A4000 — a 106% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the RTX 4500 Ada Generation.
Price & Value
The RTX A4000 lists from $945 GBP, $1,450 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 A4000?
These cards suit different priorities. Choose the RTX 4500 Ada Generation if fitting larger models in VRAM is your constraint. Choose the RTX A4000 if your models already fit and you want faster inference throughput from its higher memory bandwidth.