No, I couldn't say that, nor can I make any blanket statements about any consumer-grade device as it depends on what you wan't to do with your 1 Gbps. As examples:
- Is it symmetric? If so, is it full loaded in both directions?
- Are you primarily sending ~1500 byte packets, or small packets (such as VOIP)?
- Do you intend to run SQM, if so, which algorithm?
- What is your tolerance to latency?
- Are you expecting VPN throughput consistent with that transport rate? If so, which technology does your VPN use?
- Are you expecting to load up your router with all kinds of non-essential services?