Does RAM Speed REALLY Matter?? (DDR5 Edition)
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Buy a Samsung 970 EVO Plus NVMe M.2 SSD: lmg.gg Sign up for Linode to get your $100 in 60-day credit at linode.com How much does RAM speed matter? It's a question we've covered before, but with new platforms from AMD and Intel, and of course the new DDR5 spec, it's time to go down the rabbit hole once more... Discuss on the forum: linustechtips.com
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The video probes whether RAM speed matters in modern systems, focusing on DDR5 memory across Intel and AMD platforms. Beginning with a framing of the price range for RAM kits and the fact that DDR5 has pushed into extreme speeds, the host explains that the team tested 10 memory kits from stock JEDEC to high-end 7,800 MT/s across both Intel and AMD systems. In gaming workloads, DDR4 often remains a viable option because of price-to-performance, but as speeds climb, the advantages of faster DDR5 become nuanced. The analysis highlights first word latency as a key factor: even when raw bandwidth increases, lower latency can produce more noticeable gains in real-world tasks, especially in critical gaming moments. The video then demonstrates how synthetic benchmarks like AIDA64 can mislead about real-world performance, since memory bandwidth is not the sole driver of speed across typical applications. The host explains that for AMD platforms the landscape is more constrained by platform stability and timing tuning, while Intel shows clearer gains from faster memory in both gaming and productivity. The conclusion is cautious: beyond a certain point, higher speeds with looser timings offer diminishing returns, and budgeting for memory should consider latency alongside bandwidth and the intended workload, with tighter timings often delivering better results on AMD. The overall takeaway is that DDR5 can outperform older memory in some scenarios, but for many users the sweet spot is not simply the fastest kit, but the combination of cost, latency, and stability for their specific use case. Productivity workloads show substantial gains with certain faster kits, but gaming mainly benefits when the price delta justifies the FPS improvements, making the DDR5 value proposition highly workload dependent.
Topics · computer hardware · gaming · performance benchmarks · RAM technology
Questions answered
- What is the main takeaway about DDR5 speed vs price in gaming workloads?
- For gaming, higher memory speeds can offer small FPS gains, but the price premium often yields diminishing returns, so the value hinges on the price-to-performance balance for the specific kit and platform.
- Why do the hosts emphasize latency in memory performance?
- Latency, particularly first word latency, heavily influences real-world responsiveness and can be more impactful than raw bandwidth in many scenarios, making it a critical factor alongside transfer speed.