[Q] How much RAM available to the user? - Nexus S Q&A, Help & Troubleshooting

Hello, I'm maintaining a thread with values of reserved RAM for many devices. Could someone tell me how many MB of total RAM is reported in the system? Just type free in terminal emulator or use one of the many utilities. I'm looking for total RAM, not just the available one. Thanks
Sent from my Sensation using Tapatalk

total usable RAM: 512 MB
system regonizeble: 345 MB aprox.
current free usable RAM: depends on your process, usually after reboot and all clear is about 100 - 200 MB aprox.

Thanks, I really hoped around 400 even the N1 had a bit more..
Sent from my Sensation using Tapatalk

Thats because part of the 512mb is used for the gpu. So if 345 is used by system then 167mb is used for the gpu. Thus it looks like its little. But trust me it boosts your graphics intensive stuff.

poochie2 said:
Thanks, I really hoped around 400 even the N1 had a bit more..
Sent from my Sensation using Tapatalk
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you must first understand ANDROID's memory management

unused memory is wasted memory

Related

[Q] available memory only showing less than 400m

How come my transformer onlyy show less than 400m memory available in the task killer?. I removed all the Widgets and haven't install any extra apps besides angry bird games. The available memory still showing less than 500M. Hows your transformer available memory show?
With 512 MB RAM you get 100-250 MB of free RAM, so >400MB is more than enough for everything !
And you have 1GB for USE not for FREE/USELESS ...
Sent from my HTC HD2 using XDA App
But I thought it has 1gb of ram?
sic_lic1o1 said:
But I thought it has 1gb of ram?
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It is.. but the graphics and the OS take up a chunk of it don't forget.
I've seen this question pop up on ever forum for every 1GB device I've looked at so far. There's 1GB of RAM minus what the GPU uses minus what the OS uses. Should be an automatic sticky.

Why doesn't the Xoom show 1GB of RAM?

When I examine the amount of free and used RAM using process monitor or similar tools I get a total of around 718 MB which is a far cry less than the 1 GB the Xoom has. This other memory use far exceeds what is likewise consumed on my HTC Incredible. Is the Linux core and Android layer above it consuming that much? For having twice the RAM as the Incredible I get just over 100 MB more to use on the Xoom Wifi which doesn't have all of Verizon's bloatware.
Wow you're lucky! My Xoom sits on around 350Mb free most of the time after a Advanced Task Manager memory free up....
cheetah2k said:
Wow you're lucky! My Xoom sits on around 350Mb free most of the time after a Advanced Task Manager memory free up....
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Read carefully, I'm not that lucky, the 718 MB is free and used RAM. It's the other 282 MB that I'm looking for. I realize the the kernel and ROM require some RAM but that much seems a bit excessive.
davidsos said:
Read carefully, I'm not that lucky, the 718 MB is free and used RAM. It's the other 282 MB that I'm looking for. I realize the the kernel and ROM require some RAM but that much seems a bit excessive.
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I've been wondering this as well..
The GPU has system RAM mapped to it. There's your "missing" memory.
About Xoom's RAM:
1. Total=1Gb.
2. VM heap size (for dalvik virtual machine)=256 mb.
3. System cache=~200mb.
4. So you have ~400 mb ram available!

[Q] why does optimus have less than 512 mb ram total?

I have tried lots of system info tools and every one says the O3D has total of 444mb ram installed so why do the specs say 512?
I am not talking of available free ram but total installed ram, shouldnt it say 512?
Dave
Nah a Megabyte is actually 1024kilobytes retailers and manufacturers advertise drives and ram as if a megabyte was 1000kilobytes so 1 megabyte is actually 976kilobytes on the drive itself sort of... uh i think i confused myself... lol
Plus there are other reasons as well.... the one above is the main reason why though
Sent from my LG-P925 using XDA App
not experienced that before, was thinking my phone was missing memory lol
Dave
And there is a guy in this forum claimed that LG Thrill have total 1GB (512+512) of Ram in a thread . I'm about to fall down my chair when i read that
That would be nice, lucky if it was true lol
Dave
sweetboy02125 said:
And there is a guy in this forum claimed that LG Thrill have total 1GB (512+512) of Ram in a thread . I'm about to fall down my chair when i read that
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Well actually no there is only one stick of 512 ram, it just has two channels which means while one channel is busy the other one can be used. This is why it seems so fast the nothing is ever waiting for ram access. Also being dual channel I am sure the ram is running at incredible speeds.
Sent from my LG-P925 using XDA App
Urabewe said:
Well actually no there is only one stick of 512 ram, it just has two channels which means while one channel is busy the other one can be used. This is why it seems so fast the nothing is ever waiting for ram access. Also being dual channel I am sure the ram is running at incredible speeds.
Sent from my LG-P925 using XDA App
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This is the correct fact. If you guys look to Settings-Sd card and Phone storage- system memory. Mine shows i have 765mb available space..
That's different, that is how much room you have on phone for apps/games and whatnot
Sent from my LG-P925 using XDA App
Dear Friends,
I guess 512-444=68 mb may be used by the GPU ( PowerVR 540 ), so i think thats why we have 444 mb of total ram on boot which of its 200 mb is free and by deleting crapware and some unused services, it can be around 250 mb...
Also i agree that, our dual channel 512 mb ram is working at incredible speed since i still dont get any lag ( my opinion ) even use the phone @ 300 mhz min - 600 mhz max by setcpu app in order to do some battery saving. I get around 1700 quadrant score with that setup and i am very very satisfied, @full speed i get around 2700 quadrant score...
i bet there are two 256+256 ram modules on board in order to make it dual channel but i may be wrong...
Kind Regards,
Its dual channel AND dual ram remember.
Sent from my LG-P920 using XDA Premium App

Amount of RAM

Everything I have seen on the internet (including HTC's own specs page) shows the EVO SHift having 512 MB of RAM. However, it seems as if my system only has 368 MB (as detected by V6 Supercharger and a couple hardware info apps I downloaded from the market). Does anybody know why this would be the case? My phone is newer (just got it a little over a month ago). Could HTC have lessened the amount of RAM in the new Shifts?
Also, I am running MikShifted-G v1.6 if that makes any difference.
Mine says I have 367,haha, i believe it might only show total available after all the system android stuff... I am probally wrong because I have AOSP which is so much smaller and less bloated that your sense and i have less.. Haha.. But idk... Just speculation
Sent from my Shifty Speedy using the XDA Premium App
#
mine shows,
internal 452/321 free
rom 410/91.9 free
This might help explain things better
]http://forum.xda-developers.com/showthread.php?t=904023[/URL]
Sent for my rooted Thrive
Thanks for the link, but I'm just talking about total RAM, not amount free. Everything indicates I have 368 MB of RAM (not internal storage or ROM or anything, but actual RAM). The Evo Shift supposedly has 512 MB, but I know the HTC Merge has 368 MB, so I was wondering if they lowered the RAM on the newer Shifts.
To check the RAM, download the app Android System Info. It is not Internal Memory, but RAM. Mine says Max 368 MB.
My mistake
trsix said:
Has anyone added more ram? Ive seen 1 gig sticks for$38. I might have to try if noone else has. Curious if it might speed the shift up.?
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They're talking about internal memory on the phone. Are you talking about an sdcard?
Its possible the gpu has an amount dedicated to it that will not be shown. Sort of like checking the ram on a laptop will show less than the stated specs

Why does it say I only have 1794 mb of RaM?

When I go to Antutu or Ram Booster they say I only have 1794 mb of ram what happen to the other 250 mb?
fleen said:
When I go to Antutu or Ram Booster they say I only have 1794 mb of ram what happen to the other 250 mb?
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Hi,
Nothing wrong, the rest is for system, GPU (in short)... Not all the RAM is available for the userspace.
Hammer_Of_The_Gods said:
Hi,
Nothing wrong, the rest is for system, GPU (in short)... Not all the RAM is available for the userspace.
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Thanks for the quick reply, does this happen to all phones or just the nexus 5?
I feel like it should be better implemented like have 250mb of its own ram or use at it is needed not just take away from me 250 mb of ram.
fleen said:
Thanks for the quick reply, does this happen to all phones or just the nexus 5?
I feel like it should be better implemented like have 250mb of its own ram or use at it is needed not just take away from me 250 mb of ram.
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As far as I know, at least for all devices I owned, it's always the same thing (some devices with 1Gb RAM had something like 768 Mb available stock)...
There is absolutely nothing wrong with the available RAM detected from Antutu or RAM Booster or another apps.
fleen said:
Thanks for the quick reply, does this happen to all phones or just the nexus 5?
I feel like it should be better implemented like have 250mb of its own ram or use at it is needed not just take away from me 250 mb of ram.
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It is like that for absolutely everything. PCs/Notebooks, Tablets, Phones, etc. It's normal.
Just remember one thing that with a build.prop edit (by adding a line) you can fake the available RAM in Settings/About phone (like you can show some CPU info), but I don't know if some apps detect it (I think but... not sure ).
Maybe something like "ro.product.************" .
Maybe a Google search will give you the trick, just a cosmetic thing since the real available RAM is "hardcoded"
mmmmBACON said:
It is like that for absolutely everything. PCs/Notebooks, Tablets, Phones, etc. It's normal.
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Don't pc graphic cards have dedicated memory?
So they don't take "my" memory
fleen said:
Don't pc graphic cards have dedicated memory?
So they don't take "my" memory
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Yes, but those are dedicated "add-on" cards and are generally limited to PCs and gaming notebooks. The OS would still be using the main system memory. If you had 16GB RAM, the OS and any other processes would be using it regardless. You would never have 16GB available to you. Also, even if you had dedicated memory on the graphics card some of it will also be used regardless without your knowledge.
Any SoC uses the systems main memory.
If you want the full 2GB available to you, have fun never turning on your phone. If you want 2GB only for you, then the system has nothing to run on.
Memory is there to be used. Having a separate section for the OS and 2GB only for your choosing is pointless and inefficient.
mmmmBACON said:
Yes, but those are dedicated "add-on" cards and are generally limited to PCs and gaming notebooks. The OS would still be using the main system memory. If you had 16GB RAM, the OS and any other processes would be using it regardless. You would never have 16GB available to you. Also, even if you had dedicated memory on the graphics card some of it will also be used regardless without your knowledge.
Any SoC uses the systems main memory.
If you want the full 2GB available to you, have fun never turning on your phone. If you want 2GB only for you, then the system has nothing to run on.
Memory is there to be used. Having a separate section for the OS and 2GB only for your choosing is pointless and inefficient.
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I think what the OP is trying to ask is why is the hardware only detecting 1794mb of total actual RAM? Not how much ram the OS utilizes.
Sent from my Nexus 5 using XDA Premium 4 mobile app
mmmmBACON said:
Yes, but those are dedicated "add-on" cards and are generally limited to PCs and gaming notebooks. The OS would still be using the main system memory. If you had 16GB RAM, the OS and any other processes would be using it regardless. You would never have 16GB available to you. Also, even if you had dedicated memory on the graphics card some of it will also be used regardless without your knowledge.
Any SoC uses the systems main memory.
If you want the full 2GB available to you, have fun never turning on your phone. If you want 2GB only for you, then the system has nothing to run on.
Memory is there to be used. Having a separate section for the OS and 2GB only for your choosing is pointless and inefficient.
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I don't have a problem (well I do but not as much) with the OS and GPU use the 2GB of ram I have available but it should be something like like 300mb out of 2048mb (300/2048) of available ram not just cut my 2Gb of ram to 1794. What if the OS only needs 200 I still would not have 1894mb my max available ram is always 1794.
fleen said:
I don't have a problem (well I do but not as much) with the OS and GPU use the 2GB of ram I have available but it should be something like like 300mb out of 2048mb (300/2048) of available ram not just cut my 2Gb of ram to 1794. What if the OS only needs 200 I still would not have 1894mb my max available ram is always 1794.
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its not out of 2048MB for one
its 2GiB, not 2GB
from wikipedia
Although most manufacturers of hard disk drives and flash-memory disk devicesdefine 1 gigabyte as 1000000000bytes, software like Microsoft Windows reports size in gigabytes by dividing the total capacity in bytes by 1073741824 (230 = 1 gibibyte), while still reporting the result with the symbol "GB". This practice causes confusion, as a hard disk with an advertised capacity of, for example, "400 GB" (meaning 400000000000bytes) might be reported by the operating system as only "372 GB" (meaning 372 GiB). Other software, like Mac OS X 10.6[5] and some components of the Linux kernel[6] measure using the decimal units. The JEDEC memory standards uses the IEEE 100 nomenclatures which defines a gigabyte as 1073741824bytes (or 230 bytes).
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Zepius said:
its not out of 2048MB for one
its 2GiB, not 2GB
from wikipedia
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2 GiB is 1024x1024x1024. HDD / MMC / SSD use GB (1000x1000x1000) not GiB, however this is for storage. RAM is usually binary 1024... so it most likely is out of 2048.
http://en.m.wikipedia.org/wiki/Gigabyte
Sent from my Nexus 5 using Tapatalk
fleen said:
I don't have a problem (well I do but not as much) with the OS and GPU use the 2GB of ram I have available but it should be something like like 300mb out of 2048mb (300/2048) of available ram not just cut my 2Gb of ram to 1794. What if the OS only needs 200 I still would not have 1894mb my max available ram is always 1794.
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Oh, well don't worry, you have 2GB RAM. It might just be the way it is displayed in Antutu. CPU-Z displays the total amount of RAM as 1855MB. Not exactly consistent between programs.
mmmmBACON said:
Oh, well don't worry, you have 2GB RAM. It might just be the way it is displayed in Antutu. CPU-Z displays the total amount of RAM as 1855MB. Not exactly consistent between programs.
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I will just try to ignore this and I will be happier I guess, my cpu-z still says 1794MB total ram.
The device has 2GB of RAM but you the "BIOS" or whatever controller is in there allocates some for itself and the hardware in the phone (mainly GPU) and the rest is left to the OS.
Sharing RAM is good in general but many systems require X amount of RAM whether it's actively being used or not as it's designed to be able to use it. if it were to call on that memory address and it's full the system would crash (or a STOP error).
So instead of sharing it and allocating it as needed, it's locked off totally from the OS in the event it's ever needed by the hardware.
rootSU said:
2 GiB is 1024x1024x1024. HDD / MMC / SSD use GB (1000x1000x1000) not GiB, however this is for storage. RAM is usually binary 1024... so it most likely is out of 2048.
http://en.m.wikipedia.org/wiki/Gigabyte
Sent from my Nexus 5 using Tapatalk
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And that's why they make 512MB RAM modules instead of 500MB
fleen said:
Thanks for the quick reply, does this happen to all phones or just the nexus 5?
I feel like it should be better implemented like have 250mb of its own ram or use at it is needed not just take away from me 250 mb of ram.
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Happens to all phones.
Ok guys i get the gist of it now, thank you all.

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