Battery/Heat Difference between 6490M and 6750M

Does anyone know if there is any battery life or heat difference between the two video card options for the 15" MBP's? Does the 6750M with 1GB of ram cause the fan to run more and eat up more battery life than the 6490M?
Thanks

Since you don't play games, you'll notice a difference in graphic and video applications that are GPU accelerated, like Motion, and Photoshop CS4 & 5.

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Performance difference between 6490M and 6750M?

I'm looking at a new 15" MBP. What performance difference will I likely see between the Radeon 6490M and 6750M? It's a huge jump in graphics memory, but how much will it help me? I'm not a gamer at all, but I do a fair amount of work with photos and video.
Thanks!

Since you don't play games, you'll notice a difference in graphic and video applications that are GPU accelerated, like Motion, and Photoshop CS4 & 5.

Dual 24" cinema displays - performance difference between 6490M and 6750M?

Hi,
I am running 2 x 24" Apple Cinema displays and need to choose between the 2.2ghz i7-2635QM and 2.0ghz i7-2720QM MacBook Pro 15" offerings. They come with the 256mg HD 6490M graphics and the 1gb 6750M graphics.
I do a bit of Photoshop CS3 (once a month), rarely any video rendering.
But as I run dual monitors (via a Matrox DualHead2Go DP edition) I am keen to find out if the extra £300 for the higher spec will actually assist my usage.
Its currently running on a MacBook Pro 6,2 2.4ghz early 2010 model. It runs fine on this.
Thanks
Eric

Can't help with your question, but wondering what video adapter you are using to connect 2x Cine Display to your MacBook Pro as I'd like to do the same.
KD

E6 battery life: difference between Anna and Belle

Overall, I like the user experience of Belle. What really sucks is the battery life: one day or less. Now I've found a "guide" to flash back Anna and am considering this step because I've read more than once that Anna is better on this side.
Sincerely, when I had Anna I didn't notice these great performances, but maybe it depended on a young battery. So now I'd like to know if anyone can support the choice of Anna for increasing the battery life.
Thanks

Hi Pepelemoco,
Discussion of the non-official methods you are alluding to are not permitted on these discussion boards. Not to mention it will void your warranty, and may cause your phone damage. A general rule of thumb is that no firmware is able to be downgraded. If you are having issues with your battery life, have you checked that you have not recently installed an application that may be causing this? If you believe you haven't, then try re-installing your current firmware via Nokia Suite. Yet if this doesn't work, then a three-finger hard reset may be in order, and if this doesn't work either, then finally a trip to your local Nokia Care point for them to take a look at.
Nokia Suite: http://nokia.com/nokiasuite
to locate your nearest Nokia Care point: http://nokia.com/support
Let us know how you get on.

What's the difference between 45Wh and 54Wh battery?

Hi,
I was looking for a new battery for my MacBook Aluminum Unibody (Late 2008) and found that there are 45Wh and 54Wh battery. So what's the difference between 45Wh and 54Wh one at the same capacity? Will the 54Wh one offer a longer usage-time?
Thanks,
Nathan

aznjia wrote:
I wouldn't trust it. Even though the new battery is rated at 54 Watt hour but an apple battery may or may not run up to 1000 cycles. I looked the product reviews on amazon and I will go for what others said. However, Apple battery is designated to last about 700-1000 charge cycles but a battery over than 700 cycles. I am apple battery tech savvy. I would like to share my experience and provide sufficient answers to all the people in this forum.
I have no idea what you are trying to say. But I am NOT buying or recommending any 3rd party battery. Please read the post.

What is the difference between PUSH and FETCH

I am a little confused. I use my iphone for both my personal POP email accounts and my business exchange account. I am trying to save as much battery as I can so I turned off push and set everything to manual...but now when I try and get may mail....it either says "connecting" or "checking for new mail" at the bottom of the screen and nothing happens from there.
What is the best way to setup this situation for the most battery life? I don't need it to automatically download emails just when I open the email accout would be nice.
I also noticed that when I delete an email from my iphone on my exchange account, it also deletes is on my desktop at work...I need to turn this off...is it possible?

Hi maxum25,
The difference between push and fetch is that:
When using push, the server sends a signal to the iphone and lets it know that an email is coming its direction. Kind of like receiving a call. The iphone does not need to do anything except receive the email.
When using fetch, the iphone has to wake up every so often and send a request to the server to see if there is any new email waiting for it on the server to download. This takes more time because the iphone sends a request, the server says yes there is some, the iphone says ok give me the new email.
Now the exchange email uses active sync to keep all changes on the exchange server and mobile device in sync. This is automatic and is the nature of exchange and active sync. In order to keep this from happening you would need to talk to your IT dept. and see if they have an imap or pop alternative. Even using imap reflects the changes back to the server.
Hope this helps.

Difference between PC and mac?

With the Intel-based macs, we can install Windows on a mac and run it as if it's running on a PC. That leads me to a question. What exactly is the difference between PC and mac? I know they are different on the OS, but that's just on a software level, which I don't think constitutes the difference. The hard drives are formatted differently on both machines, I know, but we can still use the same hard drive for both a PC or a mac, we just have to format it the right way. So what really is the main thing that constitutes the difference between a PC and a mac? Putting it this way, I can run PC on a mac, can I do it the other way round? Can I install a Mac OS 10.5 on a pure PC made by companies like hp or Dell (or I can easily make one on my own) with an Intel Core 2 Duo/Quad processor, and run the machine like it's a mac?

Allan Eckert wrote:
While some have managed to hack things so that they can install OS X on a PC, the results have been not very reliable. Generally OS X has many part that do not function properly.
It doesn't work well because the Mac hardware itself is different from what is found in any other Intel-based computer. Even the CPU's & support chips are not off-the-shelf Intel parts but variants optimized for Macs that are not available to other computer makers or to DIY enthusiasts.
This is probably why for a time in 2007 the 'fastest Windows notebook on earth' was a MacBook Pro, as tested by PC World, a fact touted for a while in Apple TV ads. (It lost that title to a more conventional Wintel laptop about a month later, but the new champ cost over $5000, had "almost nonexistent" battery life, & weighs over 11 pounds, which should give you some idea of the advantages an Intel-Apple collaboration has over the competition.)

Looking for new laptop what are the differences between pro and air? Besides size. Does the air preform like the pro?

Looking for new laptop what are the differences between pro and air? Besides size. Does the air preform like the pro?

The NEW macbook Pro and Air are EXTREMELY close in form factor
The newest macbook Pro is essentially a larger macbook Air with Retina display and options for speed in increasing prices up to an independent graphics and quad core processor.
both Air and new Pro now have PCIe SSD and permanent RAM.
The Air is the lightweight portable form factor, fast to boot and shut down, but with longer battery life than any of the macbook pro in 13"
Now the new macbook Pro and macbook Air are extremely close in form factor and nature.
both have 802ac wifi
both have permanent RAM, no superdrive
both are slim profiles and SSD
The only real differences now are (in the most expensive Pros) faster processors and quadcore processors and top end model autonomous graphics.
....and of course the retina display
both are now "very good for travel"
Other than features the form factor of the Air and Pro are VERY close now,....so now its merely a matter of features and price more than anything.
You need an external HD regardless of what you get for backups etc. Drop into an Apple store and handle both and make your choice based on features, such as Retina or non-retina, .... both at a distance now look like the same computer.
The Pro weighs more, ....but nowhere near what it used to just a month ago on the older macbook Pros
The NEW macbook Pro is a different creature entirely than the older macbook Pro, .....the new Pro is thicker than the Air, but id frankly call the NEWEST Pro a "macbook Air with Retina display" , or
Maybe a “macbook Air PRO with Retina display”
Instead of Air VS Pro now,.....its really a smooth transition from Air to pro without comparing say, 2 different creatures, now its like contrasting a horse from a race horse.
Either one in 8gig of RAM (preferably)... the 4gig upgrade costs very little, the I7 you will notice only 15% faster on heavy applications over the I5, and NOTHING on most APPS.....I5 has longer battery life.
As you see below, the non-Retina 13" AIR is 82% of the Macbook with Retina display in resolution
there is no magical number of pixels per inch that automatically equates to Retina quality.
http://www.cultofmac.com/168509/why-you-might-be-disappointed-by-the-resolution- of-those-new-retina-display-macs-feature/
A huge internal SSD isnt a game changer for anything, you need an external HD anyway
what you WONT READ on Apple.com etc. is that the larger SSD are MUCH FASTER due to SSD density
"The 512GB Samsung SSD found in our 13-inch model offers roughly a 400MB/s increase in write speeds over the 128GB SanDisk/Marvell SSD"
http://blog.macsales.com/19008-performance-testing-not-all-2013-macbook-air-ssds -are-the-same
Here is an excellent video comparison between the 11” I5 vs. I7 2013 Macbook Air.
http://www.youtube.com/watch?v=oDqJ-on03z4
http://www.anandtech.com/show/7113/2013-macbook-air-core-i5-4250u-vs-core-i7-465 0u/2
I5 vs. I7 performance 13” Macbook Air 2013
Boot performance
11.7 I5 ……11.4 I7
Cinebench
1.1 I5….1.41 I7
IMovie Import and Opt.
6.69 I5….5.35 I7
IMovie Export
10.33 I5…8.20 I7
Final Cut Pro X
21.47 I5…17.71 I7
Adobe Lightroom 3 Export
25.8 I5….31.8 I7
Adobe Photoshop CS5 Performance
27.3 I5…22.6 I7
Reviews of the newest Retina 2013 Macbook Pro
13”
Digital Trends (13") - http://www.digitaltrends.com/laptop-...h-2013-review/
LaptopMag (13") - http://www.laptopmag.com/reviews/lap...play-2013.aspx
Engadget (13") - http://www.engadget.com/2013/10/29/m...-13-inch-2013/
The Verge (13") - http://www.theverge.com/2013/10/30/5...ay-review-2013
CNet (13") - http://www.cnet.com/laptops/apple-ma...-35831098.html
15”
The Verge (15") - http://www.theverge.com/2013/10/24/5...w-15-inch-2013
LaptopMag (15") - http://www.laptopmag.com/reviews/lap...inch-2013.aspx
TechCrunch (15") - http://techcrunch.com/2013/10/25/lat...ok-pro-review/
CNet (15") - http://www.cnet.com/apple-macbook-pro-with-retina-2013/
PC Mag (15") - http://www.pcmag.com/article2/0,2817,2426359,00.asp
Arstechnica (15") - http://arstechnica.com/apple/2013/10...-pro-reviewed/
Slashgear (15") - http://www.slashgear.com/macbook-pro...2013-26303163/

Difference between Null and null?

What is the difference between null and NULL?
When is each used?
Thanks,

veryConfused wrote:
There is a null in java, but no NULL. null means no value. However, when assigning value, the following is different:Although the empty String has no special role. Null means, the referential type is not assigned (doesn't refer) to a specific object. The empty String is just another object though, so seeing it or pointing it out as something special when it actually isn't at all (no more special than new Integer(0) or new Object[0]) just adds to the confusion.

Difference between GUI_UPLOAD and WS_UPLOAD

Hi,
Please make me clear about the difference between GUI_UPLOAD and WS_UPLOAD. In which cases we need to use these modules...??
Thanks,
Satish

I would suggest to always use the GUI_UPLOAD. I say this because this is the function module which is used in the GUI_UPLOAD method of the class CL_GUI_FRONTEND_SERVICES.   Really, you should probably use the class/method instead of the function module.
data: filename type string.
filename = p_file.
call method cl_gui_frontend_services=>gui_upload
         exporting
              filename                = filename
              filetype                = 'ASC'
         changing
              data_tab                = iflatf
         exceptions
              file_open_error         = 1
              file_read_error         = 2
              no_batch                = 3
              gui_refuse_filetransfer = 4
              no_authority            = 6
              unknown_error           = 7
              bad_data_format         = 8
              unknown_dp_error        = 12
              access_denied           = 13
              others                  = 17.
Regards,
Rich Heilman

Difference between char and varchar, also the difference between varchar2

Hi,
Can anyone explain me the difference between char and varchar, and also the difference between varchar and varchar2...

Varchar2 is variable width character data type, so if you define column with width 20 and insert only one character to tis column only, one character will be stored in database. Char is not variable width so when you define column with width 20 and insert one character to this column it will be right padded with 19 spaces to desired length, so you will store 20 characters in the dattabase (follow the example 1). Varchar data type from Oracle 9i is automaticlly promoted to varchar2 (follow example 2)
Example 1:
SQL> create table tchar(text1 char(10), text2 varchar2(10))
2 /
Table created.
SQL> insert into tchar values('krystian','krystian')
2 /
1 row created.
SQL> select text1, length(text1), text2, length(text2)
2 from tchar
3 /
TEXT1 LENGTH(TEXT1) TEXT2 LENGTH(TEXT2)
krystian 10 krystian 8
Example 2:
create table tvarchar(text varchar(10))
SQL> select table_name,column_name,data_type
2 from user_tab_columns
3 where table_name = 'TVARCHAR'
4 /
TABLE_NAME COLUMN_NAME DATA_TYPE
TVARCHAR TEXT VARCHAR2
Best Regards
Krystian Zieja / mob

The difference between Lion and Mountain Lion

Can some one explain to me the difference between Lion and Mtn Lion? I'm currently 10.6.8 Is it beneficiall for me to upgrade?

Mountain Lion is an enhanced version of previous OS X and so that is Mavericks.
About upgrading it all depends on what your needs are and if your hardware supports it.
System requirements for OS X Lion
System requirements for OS X Mountain Lion
OS X Mavericks: System Requirements
Please check also applications compatibility. From Lion onward, you cannot run PPC application.

The difference between N80 and N80IE ?

What is the difference between M80 and N80ie?

02-Jan-2007
07:45 PM
korngear wrote:
The Nokia N80 Internet Edition is a new version of this handset with the same hardware as the normal N80. It is due for release in Q4 of 2006 and will be available in Patina Bronze or Pearl Black, and has the following additional software included.
Yahoo Go! for Mobile
Flickr
Some Amazon Branded Software
'Download!' App management
Internet Telephone - SIP VOIP Frontend
WLAN Wizard
Gizmo VOIP - Gizmo Project VOIP Frontend.
\\en.wikipedia.org//
@Korngear
Thanks.
Could N80 be upgraded to N80IE?

The difference between SFP+ and X2

Dear Expert,
I need to know what is the difference between SFP+ and X2! and can I use SFP+ card and module instead of X2?
Thanks,
Mohammad Saeed

Hi,
They are both used for 10Gig interfaces. The difference is the connector type.
SFP+ is LC and X2 is SC.
You can not put an SFP+ into an X2 slot or X2 optic into a SFP+.
HTH

Difference between ok_code and sy-ucomm

Hi,
Can any one tell me the difference between ok_code and sy-ucomm

Hi,
Actually OK_CODE and SY-Ucomm are the same. But experts suggest use of OK code for following reason:
In each PAI event that a user triggers by choosing either a pushbutton on the screen or an element in a GUI status, the corresponding function code is placed into the system field SYST-UCOMM or SY-UCOMM and placed in the OK_CODE field (as long as the function code is not empty). Empty function codes are placed in neither the SY-UCOMM field nor the OK_CODE field.
In your ABAP programs, you should work with the OK_CODE field instead of SY-UCOMM. There are two reasons for this: Firstly, the ABAP program has full control over fields declared within it, and secondly, you should never change the value of an ABAP system field. However, you should also always initialize the OK_CODE field in an ABAP program for the following reason:
In the same way that the OK_CODE field in the ABAP program and the system field SY-UCOMM receive the contents of the corresponding screen fields in the PAI event, their contents are also assigned to the OK_CODE screen field and system field SYST-UCOMM in the PBO event. Therefore, you must clear the OK_CODE field in the ABAP program to ensure that the function code of a screen is not already filled in the PBO event with an unwanted value. This is particularly important when the next PAI event can be triggered with an empty function code (for example, using ENTER). Empty function codes do not affect SY-UCOMM or the OK_CODE field, and consequently, the old field contents are transported.

Battery/Heat Difference between 6490M and 6750M

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