Crucial Classic 8 GB (1 x 8 GB) DDR5-5600 CL46 Memory vs Crucial CT51264BA160B 4 GB (1 x 4 GB) DDR3-1600 CL11 Memory
Side-by-side memory comparison with performance scores, spec-by-spec breakdown, and recommendations to help you pick the right part for your PC build.
Shape of performance
Each spec is scaled as a % of the leader in your selection - so even the runner-up stays visible on the chart.
Key specs at a glance
Top 4 specs that matter most. Full spec-by-spec breakdown is in the table below.
Performance
Memory
| Component | ||
|---|---|---|
| Performance | ||
| Speed | 5600 MHz | 1600 MHz |
| CAS Latency | 46 cycles | 11 cycles |
| First Word Latency | 16.429 ns | 13.75 ns |
| Memory | ||
| Capacity | 8 GB | 4 GB |
| Power | ||
| Voltage | 1.1 V | 1.5 V |
| Physical | ||
| Form Factor | DDR5 | DDR3 |
| Build | ||
| Color | Black | Green |
Common questions
How should I choose between these memorys?v
Look at the Overall score in the summary above - it's a weighted blend of the specs that matter most for a memory (performance, memory, power). Then cross-check the Value score, which divides that by price. Below the summary, the spec-by-spec breakdown shows exactly where each option leads or lags.
Can I mix any of these memorys with the rest of my parts?v
PC Launchpad's Guided Builder checks compatibility across every component automatically. Click "Use in Build" on any option above and the builder will flag socket, form-factor, wattage, or clearance issues before you check out.
Where are the prices from?v
Prices come from Amazon availability, which PC Launchpad updates regularly. If a component is out of stock or prices change, the comparison may not reflect the latest number - always confirm on the retailer page before you buy.
Is the Crucial Classic 8 GB (1 x 8 GB) DDR5-5600 CL46 Memory better than the Crucial CT51264BA160B 4 GB (1 x 4 GB) DDR3-1600 CL11 Memory?v
It depends on the workload. Use the chart summary above for the quick read, then look at the spec-by-spec breakdown to see which individual metrics favor which part. Verifiable numeric winners are emphasized only when the data has a clear direction, such as higher capacity or lower latency.
Which one is better value - the Crucial Classic 8 GB (1 x 8 GB) DDR5-5600 CL46 Memory or the Crucial CT51264BA160B 4 GB (1 x 4 GB) DDR3-1600 CL11 Memory?v
The Value score in the summary divides the Overall performance score by current price, so the higher-scoring one is the stronger $/performance pick on today's prices. For budget builds, favor Value; for no-compromise builds, favor Overall.