Originally posted by tildearrow
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CompuLab's Airtop 3 Is The Most Powerful Fan-Less Computer We've Tested Yet
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Originally posted by coder View PostI've seen little air compressors you can use to do the same thing.
https://www.amazon.com/dp/B0787KXTFW/
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Originally posted by muncrief View PostIt needs a giant fan to blow all the ugly Intel/NVIDIA stuff out, and suck all the beautiful AMD stuff in!
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Originally posted by anarki2 View PostAMD CPUs are fine now, but their GPUs are horrible in terms of perf/watt, so they're still outta question for fanless builds. Or for anyone who actually cares for efficiency, like me.
Now, go ahead and look for a < 75 W model in their GTX 16xx or RTX 20xx series. You won't find one. It seems even Nvidia doesn't care as much about this market as you do. You see, it's really not a story about GPU efficiency, like how you paint it. Rather, it's really about the low-end market, which is almost entirely subsumed by APUs.
BTW, AMD did rebadge some older GCN GPUs for the Radeon 520 and 530. However, those are OEM-only models and I don't see their TDP.Last edited by coder; 05 May 2020, 05:00 AM.
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Originally posted by anarki2 View PostAMD CPUs are fine now, but their GPUs are horrible in terms of perf/watt, so they're still outta question for fanless builds.
The fact that a ton of low-end AMD GPUs like RX550 have 2-slot coolers with fan does not mean the GPU actually needs it (same as with many GPUs of both brands that have auxiliary power for no real reason). Smart ones like Gigabyte or Sapphire even turn off the fan if the GPU isn't being used for heavy 3D.
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Originally posted by starshipeleven View Post[citation needed]The fact that a ton of low-end AMD GPUs like RX550 have 2-slot coolers with fan does not mean the GPU actually needs it
Anyway, I have a RX 550 and it's a nice, little 50 W card for desktop effects and casual gaming (or so I presume - haven't tried). I don't think mine ever spins its fan down, but I don't hear it in an otherwise quiet machine. That said, I also don't stress it.
BTW, that RX 550 has 8 CU's while their APUs have anywhere from 3 to 11! The main advantage of the RX 550 is memory bandwidth (112 GB/sec) - you won't get that in an APU, nor does the dGPU have to share its bandwidth with CPU cores. But, I bought it for a machine that doesn't have an iGPU - not for performance reasons.Last edited by coder; 05 May 2020, 11:05 PM.
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Originally posted by coder View Postperf/W has anything to do with the availability of passively-cooled graphics cards.
XFX made passive RX460 too so they could make a passive RX550 too if they wanted.
Anyway, I have a RX 550 and it's a nice, little 50 W card for desktop effects and casual gaming
Most fanless cards even in the past were downclocked, using DDR instead of GDDR and/or were using power-saving measures (or hit thermal limits pretty soon so they started self-limiting) that makes them less performant than the same part with a full size heatsink.
So even if it's technically a 50w max TDP you can still hobble it enough to make a fanless card with it.
I don't think mine ever spins its fan down
BTW, that RX 550 has 8 CU's while their APUs have anywhere from 3 to 11! The main advantage of the RX 550 is memory bandwidth (112 GB/sec) - you won't get that in an APU, nor does the dGPU have to share its bandwidth with CPU cores.
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