Dolphin, the GameCube and Wii emulator - Forums

Full Version: Another one for the "I want to buy a Dolphin capable machine!" pile.
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CPU: The more recent, the better. Intel still has stronger single-threaded performance than AMD at any price, as far as Dolphin is concerned. I can't comment on AMD's most recent message mobile CPUs, but generally you can't go wrong with mid-range Intel mobile CPUs for bang/buck performance. Dolphin typically will use two cores/threads for the bulk of its workload. If you give it more, that helps with any background processing. An i5 (4 cores/4 threads) is a nice balance. An i7 is overkill, and hyperthreading isn't all that great anyway from what I hear.

With this price range, however, you're generally stuck with an i3. The i5 you mentioned (i5-8250) has a low base clock. Remember, once you start doing something intensive, the CPU's workload increases, it generates more heat, and it will potentially scale back the clock to help cool it off. I always assume that's going to be the case when you're running Dolphin (I mean, you can't guarantee that won't be the case). A higher base clock means you won't drop below that threshold, which is guaranteed performance. With a lower base clock, it's a crapshoot basically, and it all depends on how cool you can keep your machine. So, be wary when looking at those "boosts up to 2.7GHz with Turbo Boost" since those are all dependent on specific thermal conditions.

Everything else is up to your preference. Dolphin happily runs on 4GB (the de facto minimum these days). 8GB is fine, but more than you'll ever need for normal Dolphin gameplay, unless you plan to be doing memory intensive stuff while playing Dolphin (compressing files, encrypting files, editing video), but realistically you really ought to be playing Dolphin and doing not much else besides Discord maybe. SSD or HDD is your choice; doesn't make a difference to Dolphin. Bluetooth is a nice bonus because you can use a real Wiimote with Dolphin.

All of these mobile Intel CPUs (at least the ones from the laptops posted above) tend to run the Intel HD620. Not much options there. PC gamers scoff at integrated GPUs because they're generally inadequate for most new games on anything other than low/medium quality settings, and even then likely not 60FPS. But Dolphin's GPU requirements are vastly lower. As I said, with the Intel HD620, you can get fullspeed using 1x resolution in many games (480p effectively) and some of the lighter games run fine at 2x (720p effectively). Going to higher resolutions will cause slowdowns, but most games are playable with low resolutions. Again, getting a dedicated mobile GPU ups the price, but it would allow for higher resolutions. Sub $500 laptops don't offer dedicated mobile GPUs unfortunately.

About the laptop you linked to above, I'd avoid the i5-8250U for the reasons stated above about low base clocks. 1.6GHz will struggle with Dolphin. The 16+ GB optional RAM sounds like something you can choose during check-out, but at an added price. The integrated GPU is the HD620. I'd find something else. As I said yesterday, if it were me, it's really a toss up between something with an i3-7130U or i3-8130U.
Alright. I think I've found a computer I might want to leap into. I report it here for final judgement:

https://www.newegg.com/Product/Product.aspx?item=9SIAFGW81G2117

Apparently, the CPU in this not only beats my current piece of dirt laptop, but even my ancient Dinosaur. My brother helped me a bit, checking out CPU Benchmarks on that PassMark website.

Current Laptop Benchmark: 2503
Dinosaur PC Benchmark: 3511
Prospective Laptop Benchmark: 3983

So if Dolphin relies mostly on the CPU specs and speed, it's base speed crushes my laptop (which gets about 40% speed on Melee), and could compete with my Relic (which I'm starting to realize might need a few more planned upgrades; something I might look forward to after I've got a second Laptop to keep me going while I take it apart).

Then, it's got decent memory, massive storage, bluetooth, quad core for what it's worth, and a few other features I'd enjoy. Seems like it's a solid choice... so long as it can handle Dolphin. Certainly would make my next vacation and my work breaks more interesting. But I don't think I can tell exactly what chipset it's using graphically, though apparently that shouldn't matter for Dolphin too much?
That should do alright. It's single-threaded performance is worst than the i3s we talked about, but it's a bit faster than my 7100U, which I can verify holds up well in most games. You shouldn't have any issue going to 2x and 3x with that GPU.

EDIT: It shouldn't do stellar, but for the lighter games mentioned in the first post it should be more than playable. Doesn't take much to run stuff like Melee (outside of Fountain of Dreams) or Double Dash. Ryzen would be ideal though, but at sub $500 it's this or slightly better CPU performance from the i3s while sacrificing graphical resolution. Pick your poison at that price range.

EDIT redux: Personally, myself, I'd be willing to sacrifice graphical resolution for guaranteed results from the CPU. I'd still choose one of the i3s discussed earlier. But if you absolutely have to have 2x resolution or better, that AMD laptop is okay at that price point. No miracles for games that aren't pretty light, but for those that are it'll do.
(11-24-2018, 07:03 AM)Dmon Wrote: [ -> ]Alright. I think I've found a computer I might want to leap into. I report it here for final judgement:

https://www.newegg.com/Product/Product.aspx?item=9SIAFGW81G2117

Apparently, the CPU in this not only beats my current piece of dirt laptop, but even my ancient Dinosaur. My brother helped me a bit, checking out CPU Benchmarks on that PassMark website.

Current Laptop Benchmark: 2503
Dinosaur PC Benchmark: 3511
Prospective Laptop Benchmark: 3983

So if Dolphin relies mostly on the CPU specs and speed, it's base speed crushes my laptop (which gets about 40% speed on Melee), and could compete with my Relic (which I'm starting to realize might need a few more planned upgrades; something I might look forward to after I've got a second Laptop to keep me going while I take it apart).

Then, it's got decent memory, massive storage, bluetooth, quad core for what it's worth, and a few other features I'd enjoy. Seems like it's a solid choice... so long as it can handle Dolphin. Certainly would make my next vacation and my work breaks more interesting. But I don't think I can tell exactly what chipset it's using graphically, though apparently that shouldn't matter for Dolphin too much?

I, too, would be wary about purchasing a pre-zen AMD cpu - remember different benchmarks use different loads on the CPU, so may highlight different aspects of their performance strengths or weaknesses compared to what dolphin actually does (as shown by the Intel Haswell series showing a significant improvement over previous generations for Dolphin, but a much smaller improvement on other tasks).

As mentioned above, it may be better to sacrifice some of the GPU performance for extra CPU performance - as it degrades more gracefully (even the entry level iGPUs are pretty much capable of everything at 1x resolution, so a slower GPU just means you can't play at higher resolutions. While a slow CPU causes the entire game to slow down, often causing a bad experience).

Also be aware that this laptop contains a single DIMM, so will be running the memory in single channel mode, which may mean it shows lower performance than the CPU and GPU may be capable of at it's peak.

But as with everything, there's a cost/benefit curve to hit. This will play most games at full speed with it's CPU - just not all - if there are specific games you want to play it may be worth trying to get someone with similar hardware (or even if you can find somewhere with one of these devices to test with in-person) to actually test. And even the latest high-end laptop CPUs struggle to play *every* game at full speed, so it's a big gray area, depending on the game.
Oh geez. I see quite a bit of potential additional trepidation... after I'd already thought I'd been given a passable recommendation for it. It's gonna be interesting to see if the thing performs as I thought it might, better, or worse.... but I still appreciate all of the help I was given, even if I'm still rushing/blundering into potentially all the wrong decisions. And I'll probably come back when I have a bit more time and money, to look into a proper CPU and Motherboard Upgrade to make my Kaiju more easily capable of handling games my laptops can't.

Edit: Also, if Smash should be easy outside of Fountain of Dreams, my old Laptop really is a Toaster. 5+ second wait time after a match has ended just to load the victory animation. Yeeesh.
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