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AMD A10-5800K "Trinity" APU On Linux

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  • #31
    Originally posted by Ansla View Post
    To everyone saying crossfire would be useless for this APU, are you aware of the "Hybrid Crossfire" feature? It would be nice to know if it works on Linux and what performance would be like when pairing this APU with a Radeon HD 6670.
    I only objected to the request to pair a puny CPU with a crossfire setup. Sure you could find a handful of games that don't use the CPU, but are shader intensive, however this doesn't seem relevant in any way.
    I don't know about AMD, but even a 680GTX will idle at under 20W, so if I needed more than an embedded GPU, I'd still go for an intel CPU and a dedicated GPU. You don't earn much by shutting off the dedicated GPU and switching to the on-chip one.

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    • #32
      Can you show me the game (or any other graphics intensive application) that is CPU bound on this APU? All the games benchmarked by Michael in this article performed better with the more powerfull dedicated GPUs then with the built-in GPU, so they are all clearly GPU bound. And "World of Padman" is deffinatly not a very "shader intensive" game and still went from 221 FPS with the onboard GPU to 350 FPS with the GTX 550 while using the same CPU.

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      • #33
        Originally posted by Ansla View Post
        Can you show me the game (or any other graphics intensive application) that is CPU bound on this APU? All the games benchmarked by Michael in this article performed better with the more powerfull dedicated GPUs then with the built-in GPU, so they are all clearly GPU bound. And "World of Padman" is deffinatly not a very "shader intensive" game and still went from 221 FPS with the onboard GPU to 350 FPS with the GTX 550 while using the same CPU.
        Look here: http://www.anandtech.com/show/6347/a...sktop-part-2/6
        All games perform better with a more powerful CPU; all using the same GPU.

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        • #34
          A10-5800K is on Par with i5-3470 With discreet graphics

          check out this review it is even on par with the IB i5

          http://vr-zone.com/articles/amd-trin...nce/17272.html

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          • #35
            Thanks for reminding everyone there are worse benchmarks then those performed by Michael. Compairing the performance of a high-end GPU at 1024x720 low quality is pure genius. Not to mention they don't even mention what GPU they used.

            Anyway, my point was not that there are no faster CPUs out there. I am also aware there are GPUs out there that are fast enough to be starved by the performance of this CPU (or just about any CPU actualy).

            My point was that for example the E-450 APU in my laptop is completely CPU bound, switching graphics from low quality to high sometimes actualy improves the frame rate as more stuff gets offloaded to the GPU. However, this APU (and probably all A series APUs), even though they are slower then most Intel CPUs, are still fast enough and can actualy benefit from a more powerful GPU.

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            • #36
              Originally posted by bug77 View Post
              Look here: http://www.anandtech.com/show/6347/a...sktop-part-2/6
              All games perform better with a more powerful CPU; all using the same GPU.
              You're not actually making a strong argument when you're talking about all of the tests using a 5870 instead of the onboard GPU. Sure, if you have a 5870 and are played at interesting resolutions, the 5870 is going to be under utilised. We're not talking about that though, we're talking about how much additional room the CPU or the GPU will have on the APU under normal conditions.

              Stick metro on at native monitor res with a HD7670 in both systems, and then show me the diifference and I'll accept your point. Better yet, allow the APU to use crossfire and if the Intel still wins then you've won the argument.

              Originally posted by Ansla
              Not to mention they don't even mention what GPU they used.
              They do actually, its just on a totally different page which I guess is good for extra clicks and misleading people who were linked directly to the page.

              Either way though, the fact that bug77 linked that suggests he doesn't actually know what he's talking about, so arguing with him is pointless. I'm out.
              Last edited by ownagefool; 10-03-2012, 10:54 AM.

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              • #37
                Originally posted by Ansla View Post
                ...switching graphics from low quality to high sometimes actualy improves the frame rate as more stuff gets offloaded to the GPU...
                Mwahahahahahaha!!!
                I apologize. I thought you knew what you were talking about.

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                • #38
                  Originally posted by ownagefool View Post
                  You're not actually making a strong argument when you're talking about all of the tests using a 5870 instead of the onboard GPU.
                  He said nowadays, no game is CPU bound. I prove him wrong. Now, if you want to talk about something else, you're welcome to do it.

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                  • #39
                    Originally posted by bug77 View Post
                    He said nowadays, no game is CPU bound.
                    Maybe I wasn't clear enough, when I said "Can you show me the game (or any other graphics intensive application) that is CPU bound on this APU?" I meant when using the APU's GPU. And it should have been obvious, when deciding if upgrading the GPU is worth it or not you need to know what the bottleneck is in the current situation, not any other.

                    Originally posted by bug77 View Post
                    I prove him wrong.
                    Of course if you'll use a high-end card at a low resolution with low graphics quality any game will be CPU bound, even on an i7. You proved nothing.

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                    • #40
                      Originally posted by bug77 View Post
                      He said nowadays, no game is CPU bound. I prove him wrong. Now, if you want to talk about something else, you're welcome to do it.
                      If thats true then yu're taking the literal meaning of his statment as opposed to the implied meaning to deflect from your original point. Very good, though I didn't actually see where he said "no game is CPU bound". Let me take your through the discssion from my point (paraphrasing)

                      • You said nobody would crossfire with such a puny CPU.
                      • He suggests games were generally gpu bound with the APU, as proven by adding a stronger card (thus making crossfire seem like a sensible approach)
                      • You pointed out a system which had a significantly stronger GPU (which costs more than the entire APU) doing questionable benchmarks to prove that not all games on all systems are GPU bound.

                      That doesn't even make sense.

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                      • #41
                        Originally posted by ownagefool View Post
                        If thats true then yu're taking the literal meaning of his statment as opposed to the implied meaning to deflect from your original point. Very good, though I didn't actually see where he said "no game is CPU bound". Let me take your through the discssion from my point (paraphrasing)

                        • You said nobody would crossfire with such a puny CPU.
                        • He suggests games were generally gpu bound with the APU, as proven by adding a stronger card (thus making crossfire seem like a sensible approach)
                        • You pointed out a system which had a significantly stronger GPU (which costs more than the entire APU) doing questionable benchmarks to prove that not all games on all systems are GPU bound.

                        That doesn't even make sense.
                        Point #2: if there's more horespower than the embedded GPU can handle, you need a discrete GPU, not a crossfire setup.
                        Point #3: what questionable about running several games on several CPUs, using the same GPU? It just shows games can benefit from a more powerful CPU.

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                        • #42
                          Originally posted by bug77 View Post
                          Point #3: what questionable about running several games on several CPUs, using the same GPU? It just shows games can benefit from a more powerful CPU.
                          Sure, at 1024x768 low detail everything is CPU bound. But does anybody still play at that level?
                          Turn it to 1920x1200 with medium/max detail and check again. Surprise-surprise, you don't benefit from the stronger CPU now and this is exactly what he's been trying to explain you.
                          Hence spending more money on a stronger GPU and buying a cheaper APU is likely better than buying a stronger CPU and a weaker GPU for the same sum.

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                          • #43
                            Originally posted by HokTar View Post
                            Sure, at 1024x768 low detail everything is CPU bound. But does anybody still play at that level?
                            Turn it to 1920x1200 with medium/max detail and check again. Surprise-surprise, you don't benefit from the stronger CPU now and this is exactly what he's been trying to explain you.
                            Hence spending more money on a stronger GPU and buying a cheaper APU is likely better than buying a stronger CPU and a weaker GPU for the same sum.
                            Two of the test I mentioned were using 1680x1050. Crysis was set at Mainstream details, Civ V at High Quality. Yet the difference was still there. I wish there were more in-depth tests out there. In the meantime, I'll take cold hard numbers over wishful thinking.

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                            • #44
                              Originally posted by bug77 View Post
                              Point #2: if there's more horespower than the embedded GPU can handle, you need a discrete GPU, not a crossfire setup.
                              Where are the cold hard numbers o back this up? What if the hybrid crossover brings better performance then a more expensive dedicated card alone can? Here's an example where at full HD resolusion it provides a significant improvement compared to the same dedicated card alone: http://www.tomshardware.com/reviews/...0k,3224-4.html. Unfortunalety I couldn't find more in depth benchmarks for hybrid crossfire nor any benchmarks of hybrid crossfire on Linux (if it works at all).
                              Originally posted by bug77 View Post
                              Point #3: what questionable about running several games on several CPUs, using the same GPU? It just shows games can benefit from a more powerful CPU.
                              It's questionable because it's not a realistic scenario, most desktops used for gaming today have displays with at least full HD native resolution while the benchmark was only performed at lower resolutions.

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                              • #45
                                Originally posted by HokTar View Post
                                Sure, at 1024x768 low detail everything is CPU bound. But does anybody still play at that level?
                                Turn it to 1920x1200 with medium/max detail and check again. Surprise-surprise, you don't benefit from the stronger CPU now and this is exactly what he's been trying to explain you.
                                Hence spending more money on a stronger GPU and buying a cheaper APU is likely better than buying a stronger CPU and a weaker GPU for the same sum.
                                It's not that simple. It usually depending on the engine is the game cpu or gpu pounded(physics,ai,etc.). But granted in 1200p resolution it's usually gpu pounded. And I don't think that these apus can run modern games with max settings at 1200p, maybe 720p which is okay resolution for casual gaming in living room.

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