11/15/2023 0 Comments Zen 3 ram speed![]() Older games that rely on just a few cores would continue to favor Intel. I do believe that this number will reduce in the future with better drivers and BIOS revisions. The other factors that are contributing to this number are the early drivers and optimization issues. This 45% latency difference is the most significant contributor to that 7% worse Gaming Performance. Zen 2 has 45% higher memory latency when compared to Coffee Lake Refresh (on AIDA64 & Geekbench). Here’s a table showing the Latencies in Geekbench & AIDA64 tests using the same 3600 MHz Memory kit at its default XMP settings. The new Memory Controller has dramatically improved the support for high-frequency memory, but we still haven’t seen a drastic improvement in memory latencies. High-Memory Latency is the biggest culprit that hampers the performance of 3rd Gen Ryzen.Īlthough AMD has made several improvements such as doubling of 元 cache, decrease in 元 cache latency, decoupling of Fclk & Uclk, and a new Infinity fabric with higher efficiency, it was not enough to bring down the memory latency. Even if we run a 9900K and a 3700X at the same Clock Speeds, the i9 9900K gives higher frame-rates. In our tests, a Core-i9 9900K was better than Ryzen 7 3700X in gaming by almost 7%. So, Zen 2 should perform the same as Intel in Gaming as well, right? We know that 3rd Gen Ryzen has higher IPC than Intel’s Coffee Lake Refresh, but the Higher Clock speeds of Intel’s chips make them almost on-par in Single-Threaded performance. I should also mention how power efficient these chips are. A Ryzen 7 3700X is basically an i9-9900K which doesn’t require an additional cooler, performs the same or slightly better in Highly-Threaded applications and is only 1 to 2% weaker in Lightly Threaded tests and it is 33% cheaper. Now AMD not only dominates in Price-to-Performance ratio but it does more while costing less. In a 2DPC scenario, the official memory speed drops to DDR5-3600.With the launch of Zen 2, AMD has turned the CPU market upside down. For example, AMD only guarantees DDR5-5200 support on a 1DPC (DIMM per channel) configuration. Dual-DIMM setups are better for signal routing and less stressful on the processor's IMC (integrated memory controller). Nevertheless, AMD is optimistic that DDR5 supply and pricing should continue to get better.Īs always, it's recommended to choose a dual-DIMM memory kit over a quad-DIMM configuration for Ryzen 7000. There aren't any shortages anymore, but it's still more expensive to produce DDR5. Although pricing for DDR5 has improved over the last few months, it still carries a significant premium over DDR4. However, we already knew beforehand that migration to AMD's AM5 socket commands a small fortune due to the chipmaker's decision not to maintain DDR4 support on Zen 4. A decent DDR4-4000 memory kit costs half of a DDR5 memory kit. We'll take AMD's word until we can run our RAM benchmarks on Zen 4.Ĭurrent DDR5-6000 16GB (2x8GB) memory kits start at $165 whereas the 32GB (2x16GB) offerings retail for $219. However, it shouldn't be the priority for most users. Nonetheless, Hallock said that in some scenarios, when surpassing a 2,000 MHz FCLK could yield better performance. In contrast, Zen 3's sweet spot was at DDR4-3600 (1,800 MHz FCLK), with DDR4-4000 (2,000 MHz FCLK) being the golden standard. Hallock believes that DDR5-6000 will be the sweet spot for Zen 4 based on cost, stability, performance, availability, and ease. ![]() The Zen 4 parts have a default FCLK of 1,733 MHz, supporting DDR5-5200 memory by default. As a result, the best configuration is Auto:1:1. Instead, he recommends users leave the FCLK on the auto setting and overclock the DDR5 memory modules and the memory controller in a 1:1 ratio. For starters, Hallock confirmed that it's no longer essential to maintain a 1:1:1 ratio with the Infinity Fabric Clock (FCLK), unified memory controller clock (UCLK), and memory clock (MEMCLK). ![]() Hallock commented on AMD's official Discord channel (via Bionic_squash) that memory overclocking on the Ryzen 7000 processors differs slightly from the previous Ryzen 5000 (Vermeer) chips. ![]()
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