The 1TB SanDisk Ultra 3D SSD IOPS Scaling Results
Contents
IOPS Scaling (Random)
In these tests, we tested the drive’s ability to tackle multiple input/output operations. We compared the 1TB SanDisk Ultra 3D SSD (Price Check) against the 1TB WD Blue SSD. For more performance comparisons, please take a look at the Solid State Drive Performance Comparison Guide.
Even though the 1TB SanDisk Ultra 3D SSD (Price Check) is rated for enterprise-class endurance, its Marvell 88SS1074 controller is just not capable of handling too many simultaneous operations. It appears to handle up to 8 simultaneous transactions.
Its nCache 2.0 technology appears to have compensated for its limited NAND channels, allowing it greatly supersede the performance of the 1TB WD Blue SSD, even though they both use the same SDD controller.
4 KB Random Read
Outstanding I/Os | 1 TB SanDisk Ultra 3D | 1 TB WD Blue SSD | Difference |
1 | 7,706 IOPS | 6,086 IOPS | + 26.6% |
8 | 46,752 IOPS | 38,444 IOPS | + 21.6% |
32 | 64,618 IOPS | 36,145 IOPS | + 78.8% |
4 KB Random Write
Outstanding I/Os | 1 TB SanDisk Ultra 3D | 1 TB WD Blue SSD | Difference |
1 | 18,547 IOPS | 13,015 IOPS | + 42.5% |
8 | 49,086 IOPS | 39,066 IOPS | + 25.6% |
32 | 52,569 IOPS | 39,115 IOPS | + 34.4% |
512 KB Random Read
Outstanding I/Os | 1 TB SanDisk Ultra 3D | 1 TB WD Blue SSD | Difference |
1 | 741 IOPS | 457 IOPS | + 62.0% |
8 | 1,078 IOPS | 537 IOPS | + 101.0% |
32 | 1,078 IOPS | 544 IOPS | + 98.1% |
512 KB Random Write
Outstanding I/Os | 1 TB SanDisk Ultra 3D | 1 TB WD Blue SSD | Difference |
1 | 942 IOPS | 490 IOPS | + 92.2% |
8 | 952 IOPS | 522 IOPS | + 82.4% |
32 | 966 IOPS | 522 IOPS | + 85.2% |
IOPS Scaling (Sequential)
In these tests, we tested the drive’s ability to tackle multiple input/output operations. We compared the 1TB SanDisk Ultra 3D SSD (Price Check) against the 1TB WD Blue SSD. For more performance comparisons, please take a look at the Solid State Drive Performance Comparison Guide.
The 1TB SanDisk Ultra 3D SSD (Price Check) did much better than the 1TB WD Blue SSD, even though they both use the same SDD controller.
4 KB Sequential Read
Outstanding I/Os | 1 TB SanDisk Ultra 3D | 1 TB WD Blue SSD | Difference |
1 | 20,709 IOPS | 15,466 IOPS | + 33.9% |
8 | 65,241 IOPS | 41,425 IOPS | + 57.5% |
32 | 65,160 IOPS | 37,963 IOPS | + 71.6% |
4 KB Sequential Write
Outstanding I/Os | 1 TB SanDisk Ultra 3D | 1 TB WD Blue SSD | Difference |
1 | 18,465 IOPS | 14,440 IOPS | + 27.9% |
8 | 51,812 IOPS | 38,840 IOPS | + 33.4% |
32 | 50,670 IOPS | 39,188 IOPS | + 29.3% |
512 KB Sequential Read
Outstanding I/Os | 1 TB SanDisk Ultra 3D | 1 TB WD Blue SSD | Difference |
1 | 975 IOPS | 477 IOPS | + 104.4% |
8 | 1,070 IOPS | 544 IOPS | + 96.6% |
32 | 1,045 IOPS | 540 IOPS | + 93.4% |
512 KB Sequential Write
Outstanding I/Os | 1 TB SanDisk Ultra 3D | 1 TB WD Blue SSD | Difference |
1 | 942 IOPS | 487 IOPS | + 93.3% |
8 | 1,048 IOPS | 521 IOPS | + 100.9% |
32 | 1,008 IOPS | 521 IOPS | + 93.4% |
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