Samsung 980 Pro 1TB vs Samsung 990 Pro 1TB: What is the difference? (2024)

Why is Samsung 980 Pro 1TB better than Samsung 990 Pro 1TB?

• 202MB/s faster sequential read (UserBenchmark)?
  2714MB/svs2512MB/s
• Has an integrated heatsink?

Why is Samsung 990 Pro 1TB better than Samsung 980 Pro 1TB?

• 450 MB/s faster sequential read speed?
  7450 MB/svs7000 MB/s
• 200000 IOPS faster random read speed?
  1200000 IOPSvs1000000 IOPS
• 1900 MB/s faster sequential write speed?
  6900 MB/svs5000 MB/s
• 550000 IOPS faster random write speed?
  1550000 IOPSvs1000000 IOPS
• 1041MB/s faster sequential write (UserBenchmark)?
  3898MB/svs2857MB/s
• 2x more controller channels?
  8vs4
• 13845 higher PassMark result?
  47174vs33329
• 0.8W lower average power consumption?
  5.4Wvs6.2W

Samsung 980 Pro 1TB

Samsung 990 Pro 1TB

This is the maximum sequential read speed according to the manufacturer. High sequential read speeds are most useful when the system is reading very large files (such as videos) from the SSD.

This is the maximum random read speed according to the manufacturer. It is measured in IOPS (Input/Output Operations Per Second) and is a good indication of the read performance of the SSD in day-to-day usage.

This is the maximum sequential write speed according to the manufacturer. High sequential write speeds are most useful when the system is writing very large files (such as videos) to the SSD.

This is the maximum random write speed according to the manufacturer. It is measured in IOPS (Input/Output Operations Per Second) and is a good indication of the write performance of the SSD in day-to-day usage.

The sequential write speed benchmark gives an indication of the SSD performance when writing large files. The value given here is the average result calculated from user-submitted scores. Source: UserBenchmark.

The sequential read speed benchmark gives an indication of the SSD performance when reading large files. The value given here is the average result calculated from user-submitted scores. Source: UserBenchmark.

The random write speed benchmark gives an indication of the everyday performance of the SSD. The value given here is the average result calculated from user-submitted scores. Source: UserBenchmark.

The random read speed benchmark gives an indication of the everyday performance of the SSD. The value given here is the average result calculated from user-submitted scores. Source: UserBenchmark.

The PassMark benchmark measures the overall performance of the SSD based on read speeds, write speeds, and seek times. The value given is an average based on user-submitted results.

The type of SSD.

SSDs with a DRAM cache utilise high-speed RAM as a cache. This results in higher performance than DRAM-less SSDs, which use a slower NAND cache or the system’s RAM (HMB).

NVMe SSDs use the PCIe interface, which has a higher bandwidth than the SATA interface. This results in much faster read/write speeds compared to SSDs which use the SATA interface.

The version of NVMe that the SSD is using.

The internal storage refers to the built-in storage space available in a device for system data, apps, and user-generated data. With a large amount of internal storage, you can save more files and apps on your device.

The storage type determines how many bits of data are written to each memory cell. These storage types include SLC (one bit per cell), MLC (two bits per cell), and TLC (three bits per cell). The less bits that are written to each cell, the greater the speed and reliability.

Peripheral Component Interconnect Express (PCIe) is a high-speed interface standard for connecting components, such as graphics cards and SSDs, to a motherboard. Newer versions can support more bandwidth and deliver better performance.

The controller is a processor that manages the functions of the SSD. The number of channels refers to the number of storage chips that this controller can access at once. Typically speaking, the more channels that the SSD controller has, the greater the performance.

Terabytes Written (TBW) is a measurement of the SSD's endurance, and often refers to the manufacturer's warranty. A higher TBW can be an indication of greater reliability over time.