No one from MSI looks here! so follow flobelixs MSI contact link! Then turn up the settings so the game needs more than 3.5GB and compare 980 and 970 performance again. Compare a GTX 980 to a 970 on a game that uses less than 3.5GB. The best way to test that is to look at game performance. We understand there have been some questions about how the GTX 970 will perform when it accesses the 0.5GB memory segment. When a game requires more than 3.5GB of memory then we use both segments. When a game needs less than 3.5GB of video memory per draw command then it will only access the first partition, and 3rd party applications that measure memory usage will report 3.5GB of memory in use on GTX 970, but may report more for GTX 980 if there is more memory used by other commands. The GPU has higher priority access to the 3.5GB section. To optimally manage memory traffic in this configuration, we segment graphics memory into a 3.5GB section and a 0.5GB section. However the 970 has a different configuration of SMs than the 980, and fewer crossbar resources to the memory system. The GeForce GTX 970 is equipped with 4GB of dedicated graphics memory. Lazy gamer : nvidias-gtx970-has-a-rather-serious-memory-allocation-bug/ ![]() Geforce Nvidia forum : gtx-970-3-5gb-vram-issue/18/ Sources (Google them up because I'm not allowed to post external sources on this forum apparently): This post is to make MSI aware of the issue, but it's not only MSI related but probably all GTX 970's suffer from this issue. ![]() No being able to run above 3,5GB (Shadows of Mordor only uses 3,5GB even 4K with texture pack) while GTX 980 shows 4GB usage even in the main menu smells very fishy to me.ģ,5GB is not the advertised VRAM size of the GTX 970, and people who were able to push the 3,5GB VRAM usage suffered severe performance issues (heavy stutter). The GTX 970 is advertised as a card which has 4GB of VRAM, so I expect to utilize all the 4GB's without a problem. Like some have read today there is a problem with the GTX 970's when using more than 3,5GB video ram (if you can get the card to utilize 3,5GB).Īfter hitting the 3,5GB barrier the bandwidth drops significantly and performance suffers badly (just like you run out of VRAM). Since no-one has started a thread about the issue that surfaced today I'll take the lead.
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