Skip to main content

DDR5-6000 CL30 64GB (2x32) vs DDR5-6400 CL32 32GB (2x16) — Specs & Performance Compared

Verdict: The DDR5-6400 CL32 32GB (2x16) is ahead of the DDR5-6000 CL30 64GB (2x32) on all 3 shared benchmarks on file, by 11% to 39%, including 39% in AIDA64 Memory Copy (96,338 MB/s vs 69,513 MB/s).

Side-by-side RAM comparison of the DDR5-6000 CL30 64GB (2x32) and the DDR5-6400 CL32 32GB (2x16). Both released in 2024. Specs, synthetic benchmarks, AI inference tok/s, and Amazon availability below; each column header links to that part's benchmark page.

vs

*Price sourced from Amazon.com. Price and availability subject to change.

Where to buy

A listing for each part; the current price and stock are on the retailer's page.

Synthetic benchmarks

Each row says whether a higher or a lower number is better (ranks and times are lower-is-better). Scores come from Overclocking.com, Tech4Gamers, ComputerBase, WCCFTech, Impulse Gamer, KitGuru, PC Unboxing, Tech-Critter and PassMark; each row links its sources, and where they differ the cell shows their median. Empty cells mean we don't yet have that benchmark on file for the SKU.

BenchmarkDDR5-6000 CL30 64GB (2x32)DDR5-6400 CL32 32GB (2x16)
AIDA64 Memory Copy (higher is better)
Source: Overclocking.com, Tech4Gamers, ComputerBase, WCCFTech		 69,513 MB/s96,338 MB/s
AIDA64 Memory Latency (lower is better)
Source: Overclocking.com, Tech4Gamers, Impulse Gamer, KitGuru, PC Unboxing, WCCFTech		 62 ns76 ns
AIDA64 Memory Latency (XMP) (lower is better)
Source: Tech-Critter		 —67 ns
AIDA64 Memory Read (higher is better)
Source: Overclocking.com, KitGuru, Tech4Gamers, ComputerBase, WCCFTech		 79,126 MB/s101,584 MB/s
AIDA64 Memory Read (AMD) (higher is better)
Source: KitGuru		 —58,985 MB/s
AIDA64 Memory Read (Intel Z890) (higher is better)
Source: KitGuru		 —100,067 MB/s
AIDA64 Memory Write (higher is better)
Source: Overclocking.com, Tech4Gamers, KitGuru, ComputerBase, WCCFTech		 79,573 MB/s88,616 MB/s
AIDA64 Memory Write (AMD) (higher is better)
Source: KitGuru		 —83,172 MB/s
AIDA64 Memory Write (Intel Z890) (higher is better)
Source: KitGuru		 —86,492 MB/s
Cinebench 2024 Multi-Core (higher is better)
Source: KitGuru		 —1,915 pts
PassMark Memory Latency (lower is better)
Source: PassMark		 50 ns—
PassMark Memory Read (Uncached) (higher is better)
Source: PassMark		 38,238 MB/s—

Quick answers

Which is faster, the DDR5-6000 CL30 64GB (2x32) or the DDR5-6400 CL32 32GB (2x16)?

The DDR5-6400 CL32 32GB (2x16) is ahead of the DDR5-6000 CL30 64GB (2x32) on all 3 shared benchmarks on file, by 11% to 39%, including 39% in AIDA64 Memory Copy (96,338 MB/s vs 69,513 MB/s).

Keep exploring

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

More buying guides from SpecPicks

Browse all buying guides →

Hardware benchmark data on SpecPicks

All benchmarks →