G.Skill DDR5-8000 CL38 2×16 GB vs Corsair Vengeance RGB DDR5-5600 CL40 2×16 GB
Short answer: which is best?
G.Skill DDR5-8000 CL38 2×16 GB is 37.7 % stronger than Corsair Vengeance RGB DDR5-5600 CL40 2×16 GB. G.Skill DDR5-8000 CL38 2×16 GB ranks #4 of 122 measured memory kits at WhatFPS (12,704 RAM score in its best run — 1 rig, 1 verified run). Corsair Vengeance RGB DDR5-5600 CL40 2×16 GB ranks #38 of 122 measured memory kits at WhatFPS (9,228 RAM score in its best run — 1 rig, 1 verified run). Each part is shown at its best run, picked from 2 verified WhatFPS runs — measured, not estimated, not self-reported.
Measured comparison
| Metric | G.Skill DDR5-8000 CL38 2×16 GB | Corsair Vengeance RGB DDR5-5600 CL40 2×16 GB |
|---|---|---|
| RAM score, best run (the kit's own performance: bandwidth + latency) | 12,704 | 9,228 |
| Best rig (GAMING — whole PC) | 15,290 | 13,170 |
| Bandwidth, one thread | 42,039 MB/s | 28,475 MB/s |
| RAM latency (lower is better) | 69.3 ns | 89 ns |
| Rated speed | 8,000 MT/s | 5,600 MT/s |
| Runs at (best run) | 6,200 MT/s | 5,600 MT/s |
| Capacity | 32 GB | 32 GB |
What the numbers mean
The headline score is the part's best measured run, and the measurements under it come from that same run. It shows what the part has been proven to do — not what an average rig gets out of it. 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 G.Skill DDR5-8000 CL38 2×16 GB · All measurements for Corsair Vengeance RGB DDR5-5600 CL40 2×16 GB