4 KB Random Reads
Keep in mind that Iometer executes from the physical medium and returns I/O operations per second, while CrystalDiskMark works on a partition and shows megabytes per second.



The Samsung and Intel drives are strongest at high queue depths, but you can’t beat the RealSSD C300. The Toshiba-powered SSDs trail at high queue depths.
4 KB Random Writes

4 KB random writes are still handled best by the SandForce SSD models.


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Summary
- Can Samsung’s 470-Series Shake Up the SSD Market?
- Benchmarking Issues And Trends
- A-Data Nobility N002 (Indilinx, 128 GB)
- Corsair Force F160 (160 GB, SandForce)
- Kingston SSDNow V (128 GB, Toshiba)
- Kingston SSDNow V+ (128 GB, Toshiba)
- Patriot Inferno (120 GB, SandForce)
- Samsung 470-Series (Also Known As PM810 [256 GB])
- Comparison Table And Test Setup
- Benchmark Results: Access Time And I/O Performance
- Benchmark Results: h2benchw Throughput And Iometer Streaming
- Benchmark Results: CrystalDiskMark Sequential Reads/Writes
- Benchmark Results: 4 KB Random Reads/Writes
- Benchmark Results: 512 KB Random Reads/Writes
- Benchmark Results: PCMark Vantage Storage
- Benchmark Results: Power Consumption
- Benchmark Results: Power Efficiency
- Conclusion And Recommendations