Performance vs. Transfer Size

ATTO is a useful tool for quickly benchmarking performance across various transfer sizes. You can get the complete data set in Bench. The performance of the 850 EVO scales excellently across all transfer sizes, although I should note that TurboWrite has its fingers in play as ATTO's test size maxes out at 2GB, which is small enough that it will get written to the SLC buffer.

Samsung SSD 850 EVO 250GB

Samsung SSD 850 EVO 250GB

Random & Sequential Performance Power Consumption
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  • hojnikb - Monday, December 8, 2014 - link

    Or 50$ less and get a mx100/ultra II
  • apoe - Tuesday, December 9, 2014 - link

    $10 more than the 250GB 850 Evo and you can get a 480GB Crucial M500 or TWO Sandisk Ultra II's. Even though it's a year and a half old at this point, for most end users the speed difference is negligible but the doubled capacity is not. Like the article says, the pricing (at least the MSRP) seems to be in a weird place...
  • HisDivineOrder - Wednesday, December 10, 2014 - link

    Samsung thinks they're Apple.

    In SSD's.
  • alacard - Monday, December 8, 2014 - link

    thanks for the review. is it my imagination or is the 120gb model missing from the destroyer benchmark?
  • Kristian Vättö - Tuesday, December 9, 2014 - link

    I don't usually run the 2013 suite on 120/128GB drives because it's more geared towards large and higher performance drives. Users with such heavy workloads shouldn't be buying small drives anyway for performance and capacity reasons.
  • Memristor - Monday, December 8, 2014 - link

    Regarding the price, newegg.com already offers them below the suggested retail price. See here:
    http://promotions.newegg.com/samsung/14-6480/index...
  • wallysb01 - Monday, December 8, 2014 - link

    Only by $10. That’s not really enough. I got the 480 GB Ultra II for $160 over black Friday, that’s $90 less than this sale on the 500GB 850 EVO. That was maybe an atypically good deal, but even at more regular discounts the Ultra II/MX100 is priced at about $180-$190, maybe $200, which is more like $50-$70 less than this “sale” price 850 EVO.

    This review is right. Until the price comes down ~$50 per 500GB, I don’t see much reason for people buy the 850 EVO.
  • fokka - Monday, December 8, 2014 - link

    comparing msrp to a black friday deal doesn't make sense.
  • Luscious - Monday, December 8, 2014 - link

    Where's the m.2 version?

    And if Samsung is stubbornly sticking with 2.5 inch drives, why no Sata Express version?

    The hardware for both is out there, and has been for some time.
  • ZeDestructor - Monday, December 8, 2014 - link

    It's a SATA drive, so the interface will be SATA and not SATA Express/PCIe. Consequently, an M.2 variant will perform the same, since those variants would also be SATA driven, much like the older mSATA drives - same thing, different form factor, and unnecessary to review seperately.

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