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    Home Unlabelled Hardware support: Radeon RX 5700 XT gains +3-6% from SAM feature

    Hardware support: Radeon RX 5700 XT gains +3-6% from SAM feature

    October 03, 2021

    Hardware support: Radeon RX 5700 XT gains +3-6% from SAM feature

    Radeon RX 5700 XT gains +3-6% from SAM feature

    Posted: 02 Oct 2021 08:15 PM PDT

    According to benchmarks by Overclock3D the Radeon RX 5700 XT gains (on average) +2.8% on 2160p, +4.2% on 1440p and +5.7% on 1080p with AMDs "Smart Access Memory" (SAM) feature. Half of the games in the test showing a substantial performance gain with SAM, the gains shown are calculated over all games. All what you need is the 21.9.1 driver (no BIOS update needed) and a SAM capable system.

    If this performance gain can be confirmed by other tests, the performance of the Radeon RX 5000 series needs to be recalculated. A performance gain of 3-6% is important in the competition with nVidia and, for example, brings the Radeon RX 5700 XT closer to the GeForce RTX 2070 Super (no rBAR available on Turing-based cards). Of course, all this requires the hardware testers to operate with updated test systems.

     

      SAM effect @ avg fps SAM effect @ P1
    Radeon RX 5700 XT @ FullHD/1080p +5.7% +4.6%
    Radeon RX 5700 XT @ WQHD/1440p +4.2% +3.0%
    Radeon RX 5700 XT @ 4K/2160p +2.8% +1.9%

     

    Games with SAM effect: Assassin's Creed: Valhalla, Forza Horizon 4, Gears 5, Resident Evil Village
    Games with marginal SAM effect: Watch Dogs: Legion
    Games without SAM effect: Day's Gone, Flight Simulator (2020), The Witcher 3

     

    Sources: benchmarks by Overclock3D, compilated by 3DCenter.org

    submitted by /u/Voodoo2-SLi
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    Posted: 02 Oct 2021 01:21 PM PDT

    Since the consoles use NVMe drives, and can have a huge impact on level design in the coming years, how long before SSDs become the absolute minimum required?

    Also will NVMe become the minimum, or will standard SATA SSDs still be viable? After reading about tech like DirectStorage and Nvidia's RTX IO, I'm doubtful about the use of SATA SSDs in PC games ahead.

    EDIT: Thanks a lot for the knowledge you all shared. I should have indicated that I already have an NVMe SSD, a Samsung 970 Evo Plus 256 GB, and that I already see reduction in load times for most games.

    What I was curious about, is if SATA SSDs would still work when games actually load in large worlds seamlessly in-game, instead of chunks like level streaming does. Also, would loading screens be a thing of the past?

    I am excited at what technologies like DirectStorage and RTX IO can do for future PC games.

    EDIT 2: I am truly amazed by how little I knew about storage subsystem in general. This was such an enlightening discussion, and I learned a lot from it. Thank you all for being so kind.

    submitted by /u/jeril_rebooted_2k17
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