AMD Carrizo Pre-release thread

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maarten12100

Member
Jan 11, 2013
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That Acer E5-552G has been seen before. 2x4GB is nice. FHD too. What voltage does that 4 cell have? At the 14.8V I found somewhere, this should be ~37Wh.
It are ordinary lithium polymer cells so 3.7V depleted and 4.2V full. 4S1P thus gives a voltage of 16.8 to 14.8 integration over that range times the capacity per range we get the total amount of energy in the battery.

It's probably 40 or a little more nothing special sadly.
 

Dresdenboy

Golden Member
Jul 28, 2003
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citavia.blog.de
Some troubling methods at NBC....

Battery life in minimal power is measured with a battery that is charged at only 93%.

At 45mn the battery capacity is shaved of 4% of its capacity in a matter of 2-3mn, this amount to full loading using the dGPU.

Since the total capacity used for battery life tests is 92% of the total capacity this reduce the autonomy number by 12%, indeed their fishy number would amount to 5W comsumption under battery while this is contradicted by the measurement at the main wich is 4.1W...


The 93% starting point and other methodical problems do exist. But that 4% discharge might just be some internal guessurement error, as it flows back to the original trajectory.
 

Dresdenboy

Golden Member
Jul 28, 2003
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citavia.blog.de
Good find, though his machine is TDP limited to 25W. He's sure to provide some interesting feedback on the machine.

Also, it's looking like Eurozone gets the better laptop designs. Go figure.
The Stilt also unlocked the machine for free cTDP settings and already did some GTA V benchmarking.
 

Abwx

Lifer
Apr 2, 2011
11,535
4,323
136
it flows back to the original trajectory.




Trace a right from start of the test that pass by the point where it allegedly get back to trajectory, you ll see that the slope has been actualy increased, it s just that its not visible at first sight since we are talking of a few degrees shift..

Also this laptop switch off at 8-9% of the battery capacity remaining, some Intel based devices wait untill 5% are left, surely a good idea when one knows that if such a battery get to 0% charge it will be definitly unusable...

Edit : Seems that they are more cautious with Intel based devices, and that the tested Carrizo is doing some activity, to compare with :



http://www.notebookcheck.com/Test-Toshiba-Satellite-Radius-15-P50W-C-102-Notebook.147119.0.html
 
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maarten12100

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Jan 11, 2013
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, surely a good idea when one knows that if such a battery get to 0% charge it will be definitly unusable...
You can set when to switch of with a little registery hack. And 0% charge won't damage the battery that is just around 3.7V. It's not like it is possible to discharge beyond that as that would rapidly reduce capacity of the battery. Only way to do so is take the battery out of the laptops and open it up then connect the terminals trough a small resistance and drain the shit out of it. The reason you have to open it up is because if you just take the outside terminals the board with over discharge protection will stop further discharge.
 

therealnickdanger

Senior member
Oct 26, 2005
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Dresdenboy

Golden Member
Jul 28, 2003
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citavia.blog.de
As we often see comments about cheap AMD laptops having only one DIMM, thus losing performance, just because OEMs seem to be stupid, consider this:
My new work notebook, a HP Elitebook 840 G2 with i7-5600U and 0.5TB SSD (2k+€), came with exactly one DIMM, if the tech specs are correct. This looks like a x% perf. <-> y% battery life tradeoff.
 

Flash831

Member
Aug 10, 2015
60
3
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As I was taking a stroll here in Sweden I decided to check if the local retailers had received any Carrizo laptops, as they seemed to have appeared online.

To my surprise, both Carrizo and Carrizo-L were present :biggrin:

Lenovo Ideapad 500 -
A10-8700P, 256GB SSD, 8GB RAM, 1080p. :awe:
http://imgur.com/DnENXYK,zmggThv

Lenovo S41-35
A8-7410, 500 GB SSHD, 8GB RAM, 1080p
http://imgur.com/DnENXYK,zmggThv#1

At least AMD seems to receive a fair chance somewhere ^_^
 
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therealnickdanger

Senior member
Oct 26, 2005
987
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As I was taking a stroll here in Sweden I decided to check if the local retailers had received any Carrizo laptops, as they seemed to have appeared online.

To my surprise, both Carrizo and Carrizo-L were present :biggrin:

Lenovo Ideapad 500 -
A10-8700P, 256GB SSD, 8GB RAM, 1080p. :awe:
http://imgur.com/DnENXYK,zmggThv

Lenovo S41-35
A8-7410, 500 GB SSHD, 8GB RAM, 1080p
http://imgur.com/DnENXYK,zmggThv#1

At least AMD seems to receive a fair chance somewhere ^_^

That's $750-900 USD, which prices it above the cost of a notebook with an i7+dGPU (GT 840, 940, or 950). How much is an i7+dGPU in Sweden?
 

Flash831

Member
Aug 10, 2015
60
3
71
Maybe VAT is included?

Yes, VAT (25%) is included.

Something to note, these two retailers I visited are expensive ones. It's where the ordinary people buy their electronics, but you can get it much cheaper online.

Here is a FX-7800P computer from one of the retailers I visited.
(7990 SEK)

And here for a much more resonable price.
(5990 SEK)
Same computer :biggrin:

Regarding i7+dGPU, that costs somewhat more. After ignoring the products that you can get with a discount, I found this computer. Lenovo Z50. i7-4500u+GT 840M+256GB SSD.
9995 SEK, which equals about 1170 USD.

It seems Carrizo(+dgpu) is matched nicely against i5's and i7's on igpu.
 
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maarten12100

Member
Jan 11, 2013
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Yes, VAT (25%) is included.

Something to note, these two retailers I visited are expensive ones. It's where the ordinary people buy their electronics, but you can get it much cheaper online.

Here is a FX-7800P computer from one of the retailers I visited.
(7990 SEK)

And here for a much more resonable price.
(5990 SEK)
Same computer :biggrin:

Regarding i7+dGPU, that costs somewhat more. After ignoring the products that you can get with a discount, I found this computer. Lenovo Z50. i7-4500u+GT 840M+256GB SSD.
9995 SEK, which equals about 1170 USD.

It seems Carrizo(+dgpu) is matched nicely against i5's and i7's on igpu.
Those are Kaveri no Carrizo they are junk utter junk. I speak from experience what notebook uses 8W idle in 2014. That is what my old sandy bridge based quad core + GT555m used when idle I mean cmon.

As for the ram being 1x8GB with the Carrizo ones it figures
 

monstercameron

Diamond Member
Feb 12, 2013
3,818
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Those are Kaveri no Carrizo they are junk utter junk. I speak from experience what notebook uses 8W idle in 2014. That is what my old sandy bridge based quad core + GT555m used when idle I mean cmon.

As for the ram being 1x8GB with the Carrizo ones it figures


Those idles numbers are due to Kaveri+Fch and not platform power alone.
 

Flash831

Member
Aug 10, 2015
60
3
71
Those are Kaveri no Carrizo they are junk utter junk. I speak from experience what notebook uses 8W idle in 214. That is what my old sandy bridge based quad core + GT555m used when idle I mean cmon.
It was simply to illustrate that the retailer in question has high prices.

As for the ram being 1x8GB with the Carrizo ones it figures
Thanks, I corrected my last post.

I wonder if it is possible to switch RAM to faster, 2 sticks 2133 Mhz RAM. :awe:
 

maarten12100

Member
Jan 11, 2013
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It was simply to illustrate that the retailer in question has high prices.


Thanks, I corrected my last post.

I wonder if it is possible to switch RAM to faster, 2 sticks 2133 Mhz RAM. :awe:
Ah I see.

And yes you can almost certainly put 2 of those sticks in however they will run at 1600MHz when the laptop is configured as 15W according to the Stilt.

Those idles numbers are due to Kaveri+Fch and not platform power alone.
Doesn't really change the fact that Kaveri was not a good laptop proc really. Beema was good Kaveri just wasn't.
 

mpc007

Junior Member
Aug 7, 2015
22
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Wow, these GTA V figures from The Stilt are really nice. Carrizo seems like a great APU to optimize with proper configured fast RAM. Because the game is so CPU restrained, these FPS rates are better than I get with my Pentium G860 + 8GB DDR3 1333 + HD7850 (Pitcairn) dGPU (no, thats not my main rig, but my 2nd one).

However, it convinces me only MORE that i'll ONLY get a Carrizo powered device if it has TDP at 35w, or I can configure it myself (like the Stilt did). It's just a waste of performance and potential to get a 15w variant. I read a lot about guys who like AMD because they offer best performance for buck, but then you can't be talking about the 15w parts (so please dont give OEMs the feeling theyre doing okay with those). The bang for back rate is much better with higher TDP configs.

It would be ridiculous to buy a Carrizo 8700P for prices more than 600 euro / 650 dollar. For that money, you can grab the first i5 + dGPU configurations, which are better across the whole board. So guys, please dont get too enthousiastic about Swedish crap which costs almost a thousand dollars.
 

therealnickdanger

Senior member
Oct 26, 2005
987
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It would be ridiculous to buy a Carrizo 8700P for prices more than 600 euro / 650 dollar. For that money, you can grab the first i5 + dGPU configurations, which are better across the whole board. So guys, please dont get too enthousiastic about Swedish crap which costs almost a thousand dollars.

That's what has me concerned. Carrizo seems like a GREAT configuration for the $350-600 USD range, where it can trounce the Intel IGP all day long, but once you get close to $700, that's when you start seeing the i5s and i7s with dGPUs, which bring much more compute and gaming power. Efficient HEVC playback alone isn't going sway buyers.
 

DrMrLordX

Lifer
Apr 27, 2000
22,024
11,597
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However, it convinces me only MORE that i'll ONLY get a Carrizo powered device if it has TDP at 35w, or I can configure it myself (like the Stilt did). It's just a waste of performance and potential to get a 15w variant.

15W Carrizo should stack up very well against other 15W TDP-range processors in the laptop market segment. It just won't be all that special in general, nor will anything else in that TDP range.
 

mpc007

Junior Member
Aug 7, 2015
22
0
0
15W Carrizo should stack up very well against other 15W TDP-range processors in the laptop market segment. It just won't be all that special in general, nor will anything else in that TDP range.

If you're in the market for 15w, take Carrizo-L. The A8-7410 is a smarter choice because it costs less. Interesting things about new silicon isn't the power envelope, but the procentual gains in performance. If you take Carrizo 15w, you don't have those performance gains. And it will have even less to offer when Skylakes i3s arrive.
 

NTMBK

Lifer
Nov 14, 2011
10,320
5,349
136
If you're in the market for 15w, take Carrizo-L. The A8-7410 is a smarter choice because it costs less. Interesting things about new silicon isn't the power envelope, but the procentual gains in performance. If you take Carrizo 15w, you don't have those performance gains. And it will have even less to offer when Skylakes i3s arrive.

I would expect Carrizo to be much "snappier" than Carrizo-L in day to day usage- being able to briefly turbo to much higher clocks in bursty workloads makes a big difference.
 

mpc007

Junior Member
Aug 7, 2015
22
0
0
I would expect Carrizo to be much "snappier" than Carrizo-L in day to day usage- being able to briefly turbo to much higher clocks in bursty workloads makes a big difference.

Im really wondering if the difference is notable in everydays tasks. And as soon as you start gaming, you'll be held back by slow ram and low tdp. The business case / market segment for this 15w Carrizo seems very meagre because low segment will be covered by Carrizo-L and lower main by I3.
 
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