The Intel Atom Thread

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Brunnis

Senior member
Nov 15, 2004
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Well, that took friggin long enough to arrive... :p Finally got my NUC7PJYH (Pentium J5005) today, more than two months after I ordered it.

EDIT: I'll be posting lots of benchmarks soon, but here's the first one (Geekbench 4):

https://browser.geekbench.com/v4/cpu/8060129

Single: 2135
Multi: 6324

Looking quite good! This is with 2x4GB DDR4-2133 CL15. The HyperX 2400 MHz CL14 did not boot, as expected.

dBUGzsX.jpg
 
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Brunnis

Senior member
Nov 15, 2004
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Why did it not boot? Doesn't GLK support DDR4-2400?
This memory is arranged and specced in a way that ”should” make it compatible. However, it simply doesn’t work, for unknown reasons. This incompatibility was first reported by NUCblog when reviewing the NUC7CJYH, so I wasn’t expecting it to work. Had some bog-standard Crucial 2133 MHz sticks in another NUC (Skylake i3), so I simply swapped (the Skylake NUC had no issues with the HyperX sticks).
 

Brunnis

Senior member
Nov 15, 2004
506
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While I finish up the rest of the testing, here's my Geekbench 4 result for the Pentium J5005 from Ubuntu 18.04:

https://browser.geekbench.com/v4/cpu/8071021

Single: 2326
Multi: 6765

Out of curiosity, does anyone care to check how this compares to Cortex-A72, A73 and A75 running under a 64-bit OS?

EDIT: I'll be posting a bunch of benchmark results tomorrow. If there's anything in particular you want me to test, now's the time to tell.
 
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Bouowmx

Golden Member
Nov 13, 2016
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My sample of Qualcomm Snapdragon 835 overclocked to 2592/2035 MHz: 2051/7058 (in different results)
Globally, about 2100/7100 with even higher overclocks: Qualcomm msm8998

For 845, top results are spammed with Xiamomi MIX 2S, about 2400/9400: Qualcomm sdm845
Alternatively, with Samsung Galaxy S9+, about 2400/8900: Samsung SM-G965U

AIDA64 memory benchmarks, and personally, I want to see throughout in BOINC project TheSkyNet POGS. Intel Atom Z3735F Silvermont 1583 MHz can do 815 credit/day per core (0.515 credit/day per MHz); Core 2 Duo E8600 Penryn 3580 MHz can do 2422 credit/day per core (0.677 credit/day per MHz). I wonder how far the Atom class progressed here. Extreme memory latency looking onerous..
 

dark zero

Platinum Member
Jun 2, 2015
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Got the Asus Zenfone Zoom. Is as snappy as a SD 805 but, it has poor SW support now...

Sadly Intel gave up with the development of Android on X86 instead to ask AMD and VIA to help with it..
 

IntelUser2000

Elite Member
Oct 14, 2003
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While I finish up the rest of the testing, here's my Geekbench 4 result for the Pentium J5005 from Ubuntu 18.04:

https://browser.geekbench.com/v4/cpu/8071021

Single: 2326
Multi: 6765

Out of curiosity, does anyone care to check how this compares to Cortex-A72, A73 and A75 running under a 64-bit OS?

It seems again Linux based Operating Systems perform noticeably better on Geekbench than Windows. Using your Ubuntu score, I compared it to the SD845 Xiaomi, using the best results that get close to 2600: https://browser.geekbench.com/v4/cpu/compare/7847683?baseline=8071021

Other than the memory score, its pretty much neck and neck.

Intel Atom Z3735F Silvermont 1583 MHz

You sure about that frequency on BOINC? Because it has burst frequency of 1.83GHz.
 

SlimFan

Member
Jul 5, 2013
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FYI I also bought the NUC7PJYH NUC with the J5005. I noticed in the memory compatibility table it listed the G.Skill 8GB modules as compatible / Intel validated (F4-2400C16D-16GRS). I put two of those sticks into my NUC and I can confirm that these are supported and BIOS and Windows both see 16GB. In other words these NUCs support 16GB of DRAM just fine. As seen here:

http://compatibleproducts.intel.com...Type=Kits&productName=Intel® NUC Kit NUC7PJYH

The latest version of 64-bit Windows installed just fine and I downloaded the latest drivers from Intel's website. All results below are on a 1440p display hooked up to HDMI and the latest version of Chrome / Edge. Scores are Chrome unless otherwise noted.

Here are my Geekbench results:

https://browser.geekbench.com/v4/cpu/8076433

Single: 2151 / Multi: 6316

Single sub-scores:

Single-Core Score 2151
Crypto Score 2086
Integer Score 2452
Floating Point Score 1779
Memory Score 2049

Other benchmarks:

Octane 2.0: 17217 (Edge 15065)
Jetstream 1.1: 88.6 (Edge 116)
Speedometer 2.0: 33.8 (Edge 22.75)
Speedometer 1.0: 59.38 (Edge: did not bother to run)
WebXPRT 3: 108 (Edge: 103)
 
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dark zero

Platinum Member
Jun 2, 2015
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Ok, here are some benchmarks of the Zenfone Zoom (Intel Atom Z3580)
KSAeXeD.jpg
Also, there is this benchmark from Antutu:

SnkP3wl.jpg

In resume, this old piece from 2015 despite the SW compatibility issues, is still strong.
 

IntelUser2000

Elite Member
Oct 14, 2003
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Yes, the all-core frequency: checked in Windows using HWiNFO, and then in Linux Mint (64-bit on Bay Trail) using lscpu.

What does a Goldmont core chip get per MHz? I assume that it takes advantage of multiple cores? Is it nearly linear, that a 2 core Z3735F would make it half the score? Meaning a Penryn is 2.6x as fast per core? Or does it gain less than 2x with double the cores?
 

Brunnis

Senior member
Nov 15, 2004
506
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Okay, here are the benchmarks! I've included my own Pentium J4205 (Apollo Lake) results where available and calculated the performance difference. Please note that the J4205 results are from Nov 2016 and used a different version of Windows as well as a much older graphics driver.

I observed the J5005 clock frequencies during an MT run of Cinebench R15. The CPU starts out at 2.7 GHz on all cores, but after ~1/3 of the test it settles down on alternating between 2.4 and 2.5 GHz.

It looks like the J5005 is 30-35% faster than the J4205 on average. I haven't done any extensive comparisons of operating frequency, but I'm guessing the J5005 runs at roughly 5% higher frequency. So average IPC improvement over Apollo Lake is probably in the 25-30% interval. Pretty impressive. Using Geekbench 4 for comparison, the J5005 seems remarkably close to the IPC of the Nehalem-based Core i5-760. Not spectacular performance for 2018, but I'd finally call the "Atom" pretty usable. This NUC, with a 256GB Crucial MX100, definitely doesn't feel slow. Single core performance appears to hover around 4 times that of the original Atom N270 (1.6 GHz) released in 2008.

After the table below, I've included URLs to some of the results (Geekbench/3DMark).

zAZSlnW.png


Result URLs

Geekbench 3:
J4205
J5005

Geekbench 4:
J4205
J5005 (new result with latest version of Windows)

3DMark Firestrike v1.1:
J4205
J5005

personally, I want to see throughout in BOINC project TheSkyNet POGS. Intel Atom Z3735F Silvermont 1583 MHz can do 815 credit/day per core (0.515 credit/day per MHz); Core 2 Duo E8600 Penryn 3580 MHz can do 2422 credit/day per core (0.677 credit/day per MHz). I wonder how far the Atom class progressed here. Extreme memory latency looking onerous..
I spent an hour trying to get BOINC Manager to add the project, but it would always fail with a message along the lines of "Couldn't add the project. Please try again later". Yay... Tried two different BOINC versions and even attempted using boinccmd. Got a different error message there and decided to give up.
 
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Brunnis

Senior member
Nov 15, 2004
506
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While it might be pointless to compare to ARM, it's still fun from a "what-if" perspective. It does appear Goldmont Plus is very competitive with current high-end ARM-designs (excluding the big cores such as Apple's A11), from a pure performance perspective. It's of course almost impossible to draw any firm conslusions regarding power efficiency, though. Completely different systems, design goals and far too many unknowns.
 

Bouowmx

Golden Member
Nov 13, 2016
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Identical graphics configuration, but graphics performance went up by that much?

What does a Goldmont core chip get per MHz? I assume that it takes advantage of multiple cores? Is it nearly linear, that a 2 core Z3735F would make it half the score? Meaning a Penryn is 2.6x as fast per core? Or does it gain less than 2x with double the cores?
I don't have a Goldmont processor to run. The project tasks are single-threaded. First, I get throughput by running an instance on each thread, then divide by number of cores. So, one can say the Penryn is 2.6x the performance per core of the Silvermont, when all cores are active.

I spent an hour trying to get BOINC Manager to add the project, but it would always fail with a message along the lines of "Couldn't add the project. Please try again later". Yay... Tried two different BOINC versions and even attempted using boinccmd. Got a different error message there and decided to give up.
That's fine. The project doesn't have any tasks ready to send at the moment.
 

Thala

Golden Member
Nov 12, 2014
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While it might be pointless to compare to ARM, it's still fun from a "what-if" perspective. It does appear Goldmont Plus is very competitive with current high-end ARM-designs (excluding the big cores such as Apple's A11), from a pure performance perspective. It's of course almost impossible to draw any firm conslusions regarding power efficiency, though. Completely different systems, design goals and far too many unknowns.

From CPU performance perspective somewhere between Snapdragon 835 and 845. However if looking at SoC level in particular GPU the J5005 is far behind.
When looking at GFXBench Manhattan 3.1 offscreen we are seeing roughly:

1) J5005 - 28 fps
2) Snapdragon 820 - 30 fps
3) Snapdragon 835 - 40 fps
4) Snapdragon 845 - 60 fps

J5005 is essentially generations behind. In addition the Snapdragon 845 only consumes 4.38 W while running GFXBench Manhattan 3.1 offscreen as measured by anandtech.
 
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IntelUser2000

Elite Member
Oct 14, 2003
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As a what-if, we have to consider their graphics has been standstill since late 2015. They've been hit by the unexpected delays to their process, not only their 10nm, but 14nm as well. The same problem their CPU division has been hit with affected their GPU team. It looks like the "Atom" team has planned in advance though.

A desktop oriented chip like the J5005 also exaggerates the TDP differences. I doubt the 6W TDP N5000 is more than a little bit slower than the 10W J5005.

Identical graphics configuration, but graphics performance went up by that much?

Maybe drivers? I assume CPU is helping quite a bit as well.

By the way, notebooks and tablets using Geminilake is supposed to arrive in mid to late May. I've been wanting to get my hands on the Gigabyte mITX J5005 board, and I can't see any. Probably why.
 

Thala

Golden Member
Nov 12, 2014
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As a what-if, we have to consider their graphics has been standstill since late 2015. They've been hit by the unexpected delays to their process, not only their 10nm, but 14nm as well. The same problem their CPU division has been hit with affected their GPU team. It looks like the "Atom" team has planned in advance though.

That is no excuse if we assume that Intel 14nm is as advanced as TSMC 10nm. Others have advanced well ahead of Intel while not having a better process.
The difference compared to some year ago is, that Intel cannot bank anymore on technological superiority - and the weakness of architecture starts to show.

A desktop oriented chip like the J5005 also exaggerates the TDP differences. I doubt the 6W TDP N5000 is more than a little bit slower than the 10W J5005.

TDP is a quite useless measure if we are talking actual power draw at a given workload (aka power efficiency). For certain low power workloads the performance between N5000 and J5005 might be similar but at one point the 6W limit kicks in and the 6W SoC starts to throttle, which widens the gap. This is typically the case if you look at combined CPU/GPU workloads.

Other than this I do expect power efficiency precisely the same between N5000 and J5005.
 

IntelUser2000

Elite Member
Oct 14, 2003
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That is no excuse if we assume that Intel 14nm is as advanced as TSMC 10nm. Others have advanced well ahead of Intel while not having a better process.
The difference compared to some year ago is, that Intel cannot bank anymore on technological superiority - and the weakness of architecture starts to show.

Your post should include the fact Intel did not plan on having 14nm for so long. Skylake's Gen 9 architecture is what's used in Goldmont, and Goldmont Plus. Had they planned for it, we might have seen a variant of future GPU architecture(Gen 10 and 11) on the 14nm, improving performance and efficiency over current graphics. For the CPU cores in Geminilake, it was planned on 14nm, thus we saw significant improvement despite being on 14nm.

We did say "what-if" didn't we?
 
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Roland00Address

Platinum Member
Dec 17, 2008
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Intel should use Power VR instead of their own GPU if they are continuing like that on Atom...
Laughs why would you want to use power vr with atom?

Power vr drivers for Windows has been a joke and always been a joke. For example in 2012 atom released it's first semi serious tablet hardware with clovertrail. It used power vr tech and trust me it sucked due to drivers. You were lacking basic functionality like if you had a 1280x800 screen and you did a full screen app it could not strech the screen for an older full screen program thus if the app was coded for 800x600 or a smaller resolution you lost 33% of your vertical height for 1280x800 screen. Only 1:1 pixel mapping was allowed in the driver's. And there were far more limitation with power vr drivers including constant crashing it was just bad. Crappy netbook hardware and the GPU was half the mess. So much better with the switch to baytrail for the Intel you drivers actually work.

Now power vr graphics is good for Intel but atom is dead more or less in Android. Furthermore who knows the future for imagination now that it is acquired by that Chinese company (got a new CEO a few weeks ago). Remember imagination lost half of it's revenue when apple left. Before being acquired imagination did 350 layoffs and when the acquisition was announced they said there was going to be more layoffs with the restructuring. Furthermore before apple pulled the plug on imagination it was hiring away talent from imagination including the coo and the heads of several divisions involving both hardware and software in powerVR. Beside probably the best talent being poached how do you attract and retain talent with things like stock options when a company takes a beating and the acquirer does not see the division as a growth opportunity and is thus more stingy for it is downsiding so both less people and less talented people and the ones who remain have worse moral.

So remind me why power vr for Intel atom is a good idea again?
 

mikk

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May 15, 2012
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It looks like the J5005 is 30-35% faster than the J4205 on average. I haven't done any extensive comparisons of operating frequency, but I'm guessing the J5005 runs at roughly 5% higher frequency. So average IPC improvement over Apollo Lake is probably in the 25-30% interval. Pretty impressive. Using Geekbench 4 for comparison, the J5005 seems remarkably close to the IPC of the Nehalem-based Core i5-760.


This is indeed really impressive. Nobody expected this when Intel called it Goldmont+ which sounds like some Tick improvement in the range of 0-5%. If the Atom team is able to deliver another boost like this for the next Atom this can be a real alternative for cheaper Core based notebooks.