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    The new Raspberry Pi 4 is here!!

    Scheduled Pinned Locked Moved General Discussion and Gaming
    raspberry pi 4raspberrypinews
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    • YarmongrelY
      Yarmongrel
      last edited by

      So it seems that DevilutionX does pretty well, to the point that Modern Vintage Gamer even ported it to the Switch with full analogue stick support. Would there be a chance to include DevilutionX on Retropie?

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      • EcksE
        Ecks @Brunnis
        last edited by

        @Brunnis said in The new Raspberry Pi 4 is here!!:

        @retropi19 They don’t deliver the Pis in anti static bags anymore. The little paper like sheet below the board apparently protects it in a similar way. They did the same at least on the Pi 3 B+.

        I will receive a 4GB version on Monday. I only really wanted/needed a 2GB version, but it appeared the 4GB was going to be delivered sooner, so I ordered one of each. Good call, since the 4GB got delivered earlier, at least from this supplier.

        No idea where you got your 3B+ from but when i bought mine back then it came in a anti static bag so my guess would be that yours was like they ran out of the bags.

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        • B
          Brunnis @Ecks
          last edited by Brunnis

          @Ecks No, they didn’t run out of plastic bags. Of course not. It’s even been explained by the Raspberry Pi folks.

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          • B
            Bearwynn
            last edited by Bearwynn

            Hi i'm new here, but I've been keeping track of this thread since the pi 4 came out.

            I recieved mine yesterday (4GB version)and I've spent the whole day overclocking and stress testing it, I've discovered that with an over_voltage setting of 6:

            GPU caps out at 750Mhz (a 50% increase from stock!) I tested this by loading a full version of minecraft java 1.12.2 and playing for intervals. Never had any graphical artifacts and generally the higher it got the less frame dips there were and the higher the average FPS, reaching aroun 55fps average at the 750Mhz cap. It also had optifine installed and was running at a render distance of 4 chunks.

            CPU as high as 2Ghz (I decided to stop there because at no point will I ever need more than that on a raspberry pi) however it definitely does lose performance after 1.75Ghz. I have no idea why that is, as the cpu can definitely go higher than that.

            of course there is the fact that some people are reporting that overclocking the GPU makes the CPU perform worse regardless of clocks, so more investigation needed there. As there are games that are more intense on one or the other, it may be that two overclocking settings will need to be used (one for CPU intensive games and one for GPU intensive games). I've also managed to keep temperatures at or around 55C at full load by using a RPi 3B+ compatable cooler (the double fan one from geekpi).

            Also overclocks aren't all equal, so this is just an example of what I was able to achieve. I don't know what implications this all has for the Retropie community but I hope this information helps people's speculation and analysis.

            quicksilverQ R 2 Replies Last reply Reply Quote 1
            • quicksilverQ
              quicksilver @Bearwynn
              last edited by

              @Bearwynn current firmware limits the CPU to 1750mhz. Ssh into your pi while the ARM frequency is set >1750mhz and from terminal run

              vcgencmd measure_clock arm
              

              Something tells me the performance loss you are seeing is because CPU frequencies above 1750mhz are actually underclocking your CPU.

              B 2 Replies Last reply Reply Quote 1
              • R
                retropi19 @Bearwynn
                last edited by

                @Bearwynn im think of taking this

                https://www.ebay.com/itm/Latest-CNC-Aluminum-Alloy-Case-Enclosure-w-Cooling-Fan-for-Raspberry-Pi-4/254277987978?hash=item3b34262e8a:g:MMUAAOSwJQxdFQuL

                do the fans make a lot of noise you know?

                if you dont know does the double fan you used makes noise?

                thanks

                Rpi3B+ USB 2.0 Boot HDD Hitachi 40GB 5400rpm

                Rpi4 4GB rev1.4 USB 3.0 Boot HDD Hitachi 160GB 7200rpm

                shavecatS B 2 Replies Last reply Reply Quote 0
                • shavecatS
                  shavecat @retropi19
                  last edited by shavecat

                  @retropi19
                  i have it for the 3b+ (double fan)
                  no noise and really good.

                  1 Reply Last reply Reply Quote 1
                  • B
                    Bearwynn @quicksilver
                    last edited by Bearwynn

                    @quicksilver this is a good idea, I'll get on and try this out tonight then get back to you.

                    (Off topic but, I actually have to go to work today to teach children python on raspberry pi!)

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                    • B
                      Bearwynn @retropi19
                      last edited by

                      @retropi19 that's listed as a raspberry pi 4 case but the fact it has the heatsink part on the bottom side with the square on the middle means it's for older pi's that had the ram underneath.

                      It might be compatible but I wouldn't be able to confirm that.

                      The one I used was this: https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F254219981743

                      I have one for my Raspberry Pi 3 which is relatively silent,
                      But this one which I have for my Raspberry Pi 4 is much louder. If silence is the name of the game you're definitely better off getting a small 5v noctua fan for around £10 and finding a way to attach that to a heat sink or a case.

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                      • R
                        retropi19
                        last edited by

                        i dont have a raspberry pi 3b+
                        which one you have for the Rpi4?

                        Rpi3B+ USB 2.0 Boot HDD Hitachi 40GB 5400rpm

                        Rpi4 4GB rev1.4 USB 3.0 Boot HDD Hitachi 160GB 7200rpm

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                        • B
                          Bearwynn @retropi19
                          last edited by

                          @retropi19 the one that I linked is the one that I have for the Raspberry Pi 4

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                          • B
                            Bearwynn @quicksilver
                            last edited by Bearwynn

                            @quicksilver I have tested this now and you're correct, anything above 1750Mhz and the raspberry pi 4 will underclock itself to exactly 1Ghz.

                            Interestingly, it also underclocks the minimum clock speed to about 300Mhz, down from 600Mhz

                            quicksilverQ 1 Reply Last reply Reply Quote 0
                            • quicksilverQ
                              quicksilver @Bearwynn
                              last edited by

                              @Bearwynn I think I read somewhere that there will be a firmware update to change that limit. Perhaps you could try updating to see if it's already available?

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                              • B
                                Brunnis
                                last edited by

                                Spent an hour or so tonight and now have RetroArch (with the XMB interface) running on my Pi 4 on Raspbian Buster Lite (i.e. I'm not running it from the Raspbian desktop). I also built snes9x2010 as a test (this required modifying the makefile slightly) and ran SMW2: Yoshi's Island as a test. The spinning island scene runs at 148 FPS. No time to test anything else yet.

                                Ohh, I noticed one issue: There is major tearing and some stuttering in both the XMB GUI and during gameplay. Something's not working as it should when it comes to updating the display. Maybe a GPU driver issue?

                                dankcushionsD 1 Reply Last reply Reply Quote 1
                                • B
                                  Bearwynn @quicksilver
                                  last edited by

                                  @quicksilver I'll keep my eyes and ears peeled. I can't see anything on the official forums about it though.

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                                  • JirynJ
                                    Jiryn @simpleethat
                                    last edited by

                                    Is the Pi 4 4GB even out yet?
                                    I can't seem to find it in stock anywhere

                                    Also, do you recommend their power supply, or would any USB-C Work.
                                    I see Canakit has a set that comes with an adapter, which is why I asked.

                                    (Same question for the 3B, is the Official power supply any better than the other brands?)

                                    mituM 1 Reply Last reply Reply Quote 0
                                    • mituM
                                      mitu Global Moderator @Jiryn
                                      last edited by mitu

                                      @Jiryn said in The new Raspberry Pi 4 is here!!:

                                      Is the Pi 4 4GB even out yet?
                                      I can't seem to find it in stock anywhere

                                      Yes, it was sold out first since probably the fraction of 4G produced was smaller than 2GB + 1GGB combined.

                                      Also, do you recommend their power supply, or would any USB-C Work.
                                      I see Canakit has a set that comes with an adapter, which is why I asked.

                                      Can't say, but I've seen some tests on their forums with various power adapters with various degrees of success.

                                      (Same question for the 3B, is the Official power supply any better than the other brands?)

                                      It is better.

                                      1 Reply Last reply Reply Quote 0
                                      • dankcushionsD
                                        dankcushions Global Moderator @Brunnis
                                        last edited by

                                        @Brunnis said in The new Raspberry Pi 4 is here!!:

                                        Ohh, I noticed one issue: There is major tearing and some stuttering in both the XMB GUI and during gameplay. Something's not working as it should when it comes to updating the display. Maybe a GPU driver issue?

                                        try updating the firmware? i have see a couple of similar sounding issues in the firmware repo over the last weeks

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                                        • B
                                          Brunnis @dankcushions
                                          last edited by

                                          @dankcushions I thought I had done that on this image, but I'll double check. Thanks.

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                                          • B
                                            Barcrest
                                            last edited by

                                            I see that there is new firmware in test that helps lower the temps without performance suffering. It will be nice when that gets released.

                                            1 Reply Last reply Reply Quote 1
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