Snapdragon 8cx Gen 4 specs surface, promise powerful CPU, support for external GPU

23 January 2023
This chip is aimed at Windows PCs and has the connectivity to match with PCIe 4.0 for storage and USB 4 for external connectivity.

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  • Anonymous
  • mtj
  • 21 Sep 2023

BeeGoode1885, 16 Mar 2023Damn, if only Qualcomm cared about features and performance... more8cx gen 3 consume mere 7W while max temp is 59C (64C extreme test) on Thinkpad x13s (fanless laptop).
On MacBook Air M2 cpu consume 15W with over 100C temp.

8cx gen 3 +5800 geekbench 5 at 7W
M2 +9000 geekbench 5 at 15W
8cx gen 3 at 14W would have +11600 geekbench 5

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    • BeeGoode1885
    • nUk
    • 16 Mar 2023

    Damn, if only Qualcomm cared about features and performance of their chips. Manufacturers are putting them into enterprise laptops, but they lack virtualization extensions, which is really a big mistake in 2023. Performance seems not to be on par with Apple M1/M2. I'm no Apple fan, but their chips look better than Qualcomm's competition.

      Speed is useless if it can't handle the heat. It will be throttled to inferior processor or maybe lower. Whats important is stability.

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        • Sin
        • HCk
        • 26 Jan 2023

        I saw the Snapdragon 8cx gen 3 on userbenchmark
        Was interesting results

        The mobile arm processors are kinda lacking in CPU performance the GPU in them where better than expected considering how well they scored

        If this Snapdragon 8cx gen 4 gets egpu support it's totally not worth it (Just bottleneck the cpu)

        Your better off buying a Detta fan as a cooler for the processor as real performance gains can be had with better cooling

          dude111, 25 Jan 2023That's not how overclock works man. 30% is a lot and... moreI know but we have really world example on how overclock work in adreno gpu, jump from around 670mhz to around 940mhz (roughly 40%) give you boost in 3dmark wildlife from 4200 to 5700 (roughly 35% perfomance jump) with undervolt, new drivers and other fine tuning i have see score as big as 6200 in 3dmark which is roughly 47% perfomance jump from 40% clock increase.

          All above data i got from Adreno 640 overclock inside sd 865 which is preety similar to Adreno 740 clock wise, you can check Konabess kernel official group in Telegram for more data.

            Hemedans, 24 Jan 2023But Adreno 740 is faster than A16 gpu, while using less pow... moreThat's not how overclock works man.
            30% is a lot and it's not linear, meaning, a 30% extra clock will not consume just 30% more power.

            Also, clock speed between different architectures are not directly comparable.

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              • chc Benchou
              • fAS
              • 25 Jan 2023

              Why not 2x adreno740 Same as M chip

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                • logiotek
                • Yg@
                • 24 Jan 2023

                Hemedans, 24 Jan 2023But Adreno 740 is faster than A16 gpu, while using less pow... moreDon't you understand that GPUs scale? 8cx gen 4 GPU may be Adreno 740 class but it will certainly be a wider GPU and use wider memory bus. Besides 8cx gen 4 with 8P+4E CPU cores is aiming for M2 Pro, not regular M2, which it will easily beat.

                  • ?
                  • Anonymous
                  • u7V
                  • 24 Jan 2023

                  Anonymous, 24 Jan 2023Don't care, i will buy this for battery alone.i dont know what you mean by battery alone..most modern laptop have same battery life and only 4-5hours gaming on Max setting just like flagship phone .its just what kind off app you are running also when standby it can last to 7days

                    dude111, 24 Jan 2023Don't know about the GFX 1050, but the adreno 740 is s... moreBut Adreno 740 is faster than A16 gpu, while using less power, if Qualcomm can beat latest Apple mobile soc its not difficult to beat previous laptop version.

                    As i said before Adreno 740 clocked just 680mhz while M1 gpu is clocked 1278mhz which is twice of Adreno 740 and it use 10W compare to 7W of adreno. With just Slightly overclock to 900mhz or 1ghz they may surpass M1 Gpu.

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                      • Darth-Plagueis
                      • 7j{
                      • 24 Jan 2023

                      What we need is to bring those external GPU support features to mobile phones. Then, use a small dedicated GPU case, coupled with a battery and fan and fast charging tech and use it over latest USB/Thunderbolt or even pogo pins to properly support handheld gaming on phones.

                      Right now, its crazy how cellphones can go so high in performance but only for a few mins before throttling back to a coughing fit of 75% (sometimes more) while becoming so hot you can actually cook food on 'em.

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                        • Anonymous
                        • vG@
                        • 24 Jan 2023

                        Anonymous, 23 Jan 2023zen4/intel gen11-12 with rtx3050/3060 ~1000$ can kill this ... moreDon't care, i will buy this for battery alone.

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                          • Anonymous
                          • gqb
                          • 24 Jan 2023

                          YUKI93, 23 Jan 2023External GPU support does sound interesting, but how ARM So... moreThat depends if Qualcomm can give integrated graphic bypass for their desktop ARM SoC. If they can do it, then it should be no problem at all.

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                            • Anonymous
                            • gqb
                            • 24 Jan 2023

                            LazyEngineer, 23 Jan 2023What are you smoking? AMD laptops with USB 4 already suppor... moreAre you sure about that? AMD never officially say anything about it. As far as I remember, they give USB4 support for their desktop CPUs.

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                              • Anonymous
                              • gqb
                              • 24 Jan 2023

                              Anonymous, 23 Jan 2023Another DOA like surface pro x and others Arm and windows ... moreHave you been living in 2017? Now more x86 softwares works well with ARM.

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                                • Anonymous
                                • gqb
                                • 24 Jan 2023

                                Anonymous, 23 Jan 2023Microsoft please stop making arm devices with SD until you ... moreMicrosoft don't force developers to go ARM, hence why they gone the trouble of building compatibility layers. Only Apple force developers to go ARM only.

                                  • ?
                                  • Anonymous
                                  • gqb
                                  • 24 Jan 2023

                                  Anonymous, 23 Jan 2023huh you didn't understand what is article says? it... moreDo you even know how eGPU works in the first place? For eGPU to work, it need to bypass the integrated graphic card. If Qualcomm can't do it, don't bother. Also, USB4 =/= eGPU support.

                                    wow 2024?! Apple M and x86 chips would have moved on and leave this behind. Too bad, this looks decent with AV1 encoding if this comes out this year.

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                                      • Anonymous
                                      • XS%
                                      • 24 Jan 2023

                                      Anonymous, 23 Jan 2023Another DOA like surface pro x and others Arm and windows ... moreThey keep getting better.

                                        Hemedans, 23 Jan 2023Both Alderlake and Raptor lake Avx512 is not enabled due to... moreApple has the AMX cores and, currently, 4 instances of NEON at 128bit.

                                        ARMv9 has SVE2 (2 or 4x128b IIRC)

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