WingCommanderBob Posted July 11, 2023 Posted July 11, 2023 Basically there are PCIe GPUs available from China that use chips originally destined for laptops, which were originally made for miners due to their excellent efficiency but can now be picked up quite cheap due to their drawbacks for home use. Many types are available (3060 6/12G, 3070, 3070Ti, 3080 and even some older 20 series). I happened to get a 3070M dirt cheap from an ex miner recently. This is a somewhat similar case as this post about chinese bga-lga laptop CPUs though a bit different given that this is identical to retail silicon. The cooling is obviously far superior to that of a laptop but there are other limitations. There is no support for ReBar in the stock vbios and one that supports it will almost definitely never be made. All 30 series "frankenstein" variants share the same 115W power limit when some laptops allow significantly higher (in the case of the 3070M up to 150W) and thus easily win in benchmarks. Bios crossflashing to get around that didn't seem to work with the couple dozen I tried. Official Nvidia drivers require .inf file alterations to detect the card because the device ID is not listed there by default (with absolutely no modification of the driver binaries needed). Pre-modded versions are available online but this should also be doable with nvcleaninstall. Though they have compatibility with desktop systems, as far as benchmarking is concerned this doesn't seem like a big advantage over laptops from the likes of Clevo which have full desktop sockets. Taking all that into consideration - can these cards compete against their laptop embedded brethren? Quote
Crew Leeghoofd Posted July 14, 2023 Crew Posted July 14, 2023 provide a GPU-Z plz so we can compare versus the non miner cards Quote
WingCommanderBob Posted July 17, 2023 Author Posted July 17, 2023 (edited) Sure. Here are some screenshots of it in a spare system: As compared against a couple screenshots of the same GPU in laptops I found online: Edited July 17, 2023 by WingCommanderBob Quote
Crew Strunkenbold Posted December 20, 2023 Crew Posted December 20, 2023 A respond a little bit late: Those china mutants get in the same category as displayed by GPU-Z. In the past MXM adapters existed and there we also did not created new categories. 1 Quote
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