Gadgetory

hello there my name's Gary Sims from Android or authority now recently I published a video where I compared some of the leading processors for Android smartphones and in it I compared the Exynos 7420 along with the Snapdragon 810 along with some chips from qua way and from mediatek now once I publish that video people were asking where's Intel why haven't I put Intel into this comparison well the truth of the matter is that Intel really only have a sliver of the smartphone market 98 or 99% of all smartphones sold use chips based on the ARM architecture now of course Intel very much want to get into the smartphone market and why wouldn't they because there are millions of units sold every single year which will be great for Intel however they have not yet had much success there was one phone that was launched this year it did cause a bit of a splash and that was the Asus zenfone 2 and it was well received with two main reasons one is it had four gigabytes of memory and secondly it was very aggressively priced now at the heart of the zenfone 2 is not an ARM based processor but an Intel processor in fact it's the intel atom z3580 so today what I'm going to do is I'm going to compare the Exynos 7420 along with the Snapdragon 810 along with the atom z3580 and let's see how they compare with each other let's have a quick look at these three different processes the xr7 420 is Samsung's homegrown processor it's an octa-core processor that has four cortex a 57 cause and four cortex a53 course now this is it uses a system called big dot little from arm which means that there are big processors the court has a 57 cause which are used for the heavy lifting for the high-performance work and there are four causes are more power efficient more battery friendly that are use for more simpler tasks for example if you're watching a YouTube video early the cortex a53 calls will be used if you're playing a 3d game then the cortex a57 course will be used now the Exynos 7420 has a GPU from arm as well and that is the mali t760 now next that we have the Qualcomm Snapdragon 810 that's also an octa-core processor with four cortex 87 cores and for cortex a53 cores in this big dot little arrangement for performance and power efficiency but difference in the Samsung chip is that it uses Qualcomm's own GPU the Adreno 430 now next to that we have this Intel chip the atom z3580 now it's a completely different system architecture is a completely different way of doing things and Intel take the same technologies they use on their desktops and in their servers and they try and squeeze it into a small chip for mobile now it's only a quad-core processor is built using a 22 nanometer technology and for a GPU uses imaginations power VR g64 30 now it's a quad-core processor because intel don't make octa-core processor for mobile it doesn't have a big dot little equivalent or a HMP equivalent that allows it to have power efficient cause and power of performance calls it has to just rely on the performance and the power efficiency of its individual cores so let's have a look to see how these three chips run in benchmarks and real-life situations and see which is the best processor so before we go on to the individual result let me tell about the telephones I was using to test the Exynos 7420 I use a samsung galaxy note 5 to test the Snapdragon 810 I use the Sony's edge five compact and to test the Intel chip I use the zenfone 2 of course the first place we would turn to is and 2 2 now and 2 2 is a benchmarking app it's artificial in the in create artificial workloads however it will tell us what the processor is capable of and here are my findings as you can see in 1st place is the Exynos 7420 with a nearly 70,000 score then we have close behind that the Snapdragon 810 with 60 2130 and then in third place quite disappointingly below 50,000 is the atom z3580 with the score just 48,000 848 now you'll also notice here there is some bars in red now these are the result after I ran Epic Citadel for 30 minutes the idea was that if I ran Epic Citadel it might heat up a device slightly and if the device was being heated up then maybe the processor would perform differently because it can't use so much energy in getting higher result and that's actually the case we find that all of the results drop here the eggs dots drops down to 60 3070 the Snapdragon 810 drop down to 59 thousand and 51 and the atom z3580 drop down to 47 thousand six hundred and thirteen so the drops seem to be uniform across the board though in fact the atom z3580 does do quite well in the drop isn't as much as the other two processors now the next test I run was Geekbench now Geekbench offers as two scores one is the single core result in what is a multi-core result of a single core result tells us how fast just one individual core on the processor runs doesn't whether has four cores or six cores or eight cores just tells you how fast one of those cause is and then for its multi-core test it uses all of the core simal taneous li to achieve an overall result in of course the two arm-based chips are octa-core processors and the Intel based chip is of quad-core processors are already it's going to lose on the multi-core test how it will be interesting to see how well it does on the single core score tests so here are my results on the single core test we find that the Exynos 7420 has the best score with 1504 next the Snapdragon 810 with 1306 again disappointing do we find the single core test for the atom z3580 is only 918 now according to other tests that I've run a score of 918 a score of 919 is really comparable to a Snapdragon 801 which is a 32-bit processor or a 64-bit cortex a53 nowhere near the speed of the cortex 857 as these results show us what about the multi-core tests well as we expected the zegs nor 7420 does the best with a score of over 5,000 next comes the Snapdragon 810 with a score of over 4,000 and unfortunate with a score of under 3,000 again is the atom chip so what we knew that was going to be the case because it only has quad core one of the interesting things about the zenfone 2 is it when I started to run the benchmarks a little notification came up saying you really should be running in high-performance mode to get the best if your benchmarks now that means two things first of all it means that the speed that the processor running normally day-to-day is not its high performance setting and when I ran the benchmarks I did switch over to the high performance mode but it also means that these notifications came up before I actually started the test although around the app I hadn't hit the start test button which means that the CPU wasn't at all being loaded so the only reason that the phone knew that I was running a benchmark was it recognized the name of the program that was running which means it has a database built into it of benchmarks and high performance games that need high performance mode now that can be quite sinister because we don't know what other things the phone is doing in the background to compensate for the fact that it can't run these high performance tests very well if it's only bringing up a notification that's fine but if it's doing other things things in the shadows things in the dark that we don't know that could be a bit dubious anyway what I did do was I ran Geekbench in high performance mode and then I ran it again in its normal mode to see what the difference in the performance between the normal mode and the high performance mode was and here are the results as you can see in high performance mode there's an individual single quartet of 918 and a multi score test of under 3000 as we've just said however will you run it only in normal mode you actually find the score drops quite significantly 755 for the single core test and 2311 for the multi core test so this shows us that the Intel chip cannot run all the time at high performance mode because it will just eat into the battery and that when it's dialed back a bit to get better battery life actually the performance drops quite significantly and that's an important thing that mode doesn't exist on the Snapdragon 810 phones or on the samsung phone they just run at the best of their abilities and that's of course one of the advantage of having the octa-core big little system it has both for high-power cores and for power efficient calls in there which you can switch between depending on the workload of the intel chip can't do that just a round off our set of testings I ran a program called the CPU prime benchmark which as you can imagine calculates prime numbers and it just sees how quickly can calculate thousands and thousands of prime numbers and then gives us a score so let's have a look at those results and there's nothing surprising here again we find the Exynos 7420 winning then we find behind it the Snapdragon 810 and then quite away behind it again we find the Intel Atom chip so the same pattern here is emerging Exynos 7420 first Snapdragon 810 second and the Intel chip in third place now of course benchmarks on everything we do have to do some real life work some time so I've devised two tests here that will help us see the real life performance of these particular processors one is to just start a game in fact is the need for speed game and just see how long it takes to start up now I do know that there are course other things involved in this including the speed of the flash memory it's not only about the CPU however it should give us an overall feel of how fast these proteases are let's have a look at the results in this particular graph lower is better and we can see that the note 5 was able to start up Need for Speed in just 28 seconds next with a Snapdragon 810 on the Sony z5 compact 43 seconds and then again in third place was the zenfone 2 which took 47 seconds to start up the same game now the second test that I'm using is the kraken javascript test and test developed by Mozilla to see how fast a JavaScript engine runs inside of a web browser now we all do lots of web browsing on our phone so how fast the JavaScript engine runs is important for all of us says have a look at those crackin results on this graph lower is better we can see the best score came from the Exynos 7420 with a startup time of three thousand seven hundred fifty three milliseconds after that comes the Snapdragon 810 with a score of four thousand two hundred and fifty three and then again in third place is the atom chip with four thousand nine hundred and ninety four now as we saw the zenfone 2 can recognize the benchmark apps that we're running because there are really only a handful of popular benchmark apps out there and two two Geekbench and so on so to get around this I've written two of my own benchmarks but Asus had cannot know about neither can Samsung and neither can Sony and I've written those myself they've never been published they're not out there for anybody else to find I've got them and I've run them on these phones to see what results we can find now the first test does some mathematical things some hashes some prime numbers some sorting and it just runs through a series of tests and then gives us a result in seconds at the end and let's have a look to see how that comes out the results here are in milliseconds and the best phone this time round was the Snapdragon 810 which called twenty two thousand nine hundred and thirty seven and thirty thousand three hundred and seventy is the Exynos 7420 now you then go almost double that time to fifty-five thousand nine hundred and twenty and there you have the Adam Schiff now that's quite a bad performance by the atoms it could it be that there's some things going on in the background it doesn't it knows about benchmarks doesn't know about my won it didn't perform that well I'd hit perform it in high performance mode but the score is almost double of what you find for the Snapdragon 810 interesting my second test is a 2d physics test is a test that runs droplets of water into a container and they fill up and the GPU and the CPU need to keep a track of all those droplets of water and all the motion that goes on inside that bucket more and more water is poured into it and what happens is that a new drop of water is added to the animation every frame now if the CPU can't keep up it starts to drop frames at the end of it it tells us how many frames were dropped in fact it tells how many frames managed to put drops of water into the simulation and we can calculate how many were dropped because the maximum score should be 5,400 so let's have a look what the results are well we can see here that the note 5 major score of five thousand three hundred and fifty nines only forty-one frames were dropped during the whole simulation close behind it we have the Snapdragon 810 with a score of five thousand two hundred and twenty two and then again in last place we find that the atom dropped almost four thousand frames and couldn't cope with all of those drops of water in the simulation so again using my benchmark which no one else knows about the atom did really really bad now one thing you have to talk about when you talk about performance is battery life because if we had a phone that she was really really thick and we Slyke a really really big battery in it then it could afford to crank up that CPU to higher clock frequencies and it could do more work and produce more heat but the performance would be great because we don't want that we want thin phones and we don't want them to overheat in our hand so I did some battery test just to see how well these phones cope under different circumstances so test the battery I did two things one is I ran epic to the bill and it run for half an hour and see how much battery was used in that time and their news I to extrapolate on how much you could run Epic Citadel from a full charge in the second test I use an app that I wrote myself which brings up a web page every 20 seconds it loads it up over Wi-Fi displays it wait 20 seconds then brings up a different web page sites like the BBC CNN and so on I let that run for an hour and see how much a battery loss there was during that hour and use that number to extrapolate to hear the results as we can see the Snapdragon 810 and the Exynos 7420 can run this game for 300 minutes now we must note that the Snapdragon 810 is found inside of the z5 compact with its 720p display and the Exynos 7420 is found inside of a note 5 with its 2k display but even so taking that into account they can both played for the same number of minutes however the atom z3580 which is using the zenfone 2 with its HD display only managed 250 minutes and when it came to my web browsing test we find that again the Snapdragon 810 and the Exynos 7420 I have the same measurements at 10 hours 600 minutes however the atom z3580 can only manage 461 minutes of course all of these phones have different sized batteries if you have a small battery it will go down quickly if a large battery it will go down less so we need to compare this battery usage for web browsing to how big the actual battery is so what I did was I took the battery size divide it by the number of minutes and that gives you a rate of how much battery in milliamp hours is used per minute of web browsing and that levels the playing field across all of these three phones and here are my results we can see here that the Snapdragon 810 inside the z5 compact does the best it uses just 4.5 million powers per minute of web browsing the next comes the Exynos 7420 in the note 5 which uses 5 and then in last place again we find the atoms 8 3 5 8 o which uses 6.5 1 so regards to the size of the battery this is how much is energy is used when surfing the web on these phones so what does all that mean well unfortunately the atoms it came last in every single one of our tests both in performance and in battery life now why is that well first of all we have to understand that it's actually a slightly older chip but also it shows you that the Intel chip isn't very popular because people are building phones with their latest chips now the silvermont architecture was announced in May 2013 I'm recording this video at the end of 2015 the actual chips themselves were released somewhere in the middle of 2014 so we always a year went past from when the chip was announced until when it first appeared and then another year went past until March 2015 when the zenfone 2 was officially launched so what does this mean well actually if we look at how Intel prioritize its mobile chips we find that really it doesn't take mobile seriously at all because in 2013 other chips based on the silvermont architecture were released for desktops and servers and they took another six months before Intel released a chip for mobile and then another year until the phone was released by Asus of course they were using that chip in the development cycle there so the problem is that Intel take chips that are designed for servers and desktops and they try to shoehorn it into a mobile chip and they don't get it right arm on the other hand only make designs for low-power situations all of their chips are designed to only use a certain amount of energy if it doesn't use that manner major they go back and they redo this design and check again we run their simulations until that particular budget of energy and thermal budget is actually met now Intel have the capacity to make a really good chip but they haven't really been serious about it yet until they do get serious ARM based chips are going to be the best ones for our smartphones what my name's goes tin from angular Authority redu hope you've enjoyed this video please use the comments below to tell me what you think about the difference between ARM based chips and Intel chips or between Samsung Qualcomm and Intel based chips also please don't forget to subscribe to android oddities youtube channel and also find the links up there for where you can follow me and enduro thority on social media also don't forget to check out the other videos that we are making and as for me I'm going to see you in my next video you