Crucial Pro DDR5-5600 CL46 2×16 GB vs Corsair Vengeance LPX DDR4-3000 CL15 2×8 GB
Short answer: which is best?
Crucial Pro DDR5-5600 CL46 2×16 GB is 9.9 % stronger than Corsair Vengeance LPX DDR4-3000 CL15 2×8 GB. Crucial Pro DDR5-5600 CL46 2×16 GB ranks #15 of 42 measured memory kits at WhatFPS (9,023 RAM score over 1 verified runs). Corsair Vengeance LPX DDR4-3000 CL15 2×8 GB ranks #20 of 42 measured memory kits at WhatFPS (8,210 RAM score over 1 verified runs). The numbers are measured in 2 verified WhatFPS runs — not estimated, not self-reported.
Measured comparison
| Metric | Crucial Pro DDR5-5600 CL46 2×16 GB | Corsair Vengeance LPX DDR4-3000 CL15 2×8 GB |
|---|---|---|
| RAM score (the kit's own performance: bandwidth + latency) | 9,023 | 8,210 |
| Best rig (GAMING — whole PC) | 5,740 | 5,728 |
| Bandwidth, one thread | 27,799 MB/s | 20,782 MB/s |
| RAM latency (lower is better) | 90.9 ns | 82 ns |
| Rated speed | 5,600 MT/s | 3,000 MT/s |
| Runs at (seen, avg) | 5,600 MT/s | 2,933 MT/s |
| Capacity | 32 GB | 16 GB |
What the numbers mean
The RAM score is the kit's measured performance in the rigs it sat in — single-thread bandwidth and latency beyond L3. Platform, BIOS settings and whether XMP/EXPO was on all affect it. GAMING is the whole rig's score. We show both and never mix them.
All numbers come from our benchmark suite, the same test on every PC, written in Rust with no middleware. The methodology is open at https://whatfps.com/metodik
All measurements for Crucial Pro DDR5-5600 CL46 2×16 GB · All measurements for Corsair Vengeance LPX DDR4-3000 CL15 2×8 GB