Looking at new iMac - i5 or i7 cpu?

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This post has 9 Replies | 1 Follower

Posts 46
RPW | Forum Activity | Posted: Fri, Dec 1 2017 12:51 PM

Looking to purchase a new 2017 27" iMac. Is it worth the $200 to upgrade to the 4.2 i7 cpu from the 3.8 i5 for Logos? Thanks, Ron

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Dan Francis | Forum Activity | Replied: Fri, Dec 1 2017 1:34 PM

Solid state drive is the real performance enhancement for Logos. I have 2.8 GHz i7 in my MBP and it runs very nicely... However I am not too sure how much performance I would suffer if I had an i5... I did go from a 2.3 GHz i7 to this in just last month, I have noticed a significant performance increase from 2012 i7 to 2017 i7 but the SSD in the new MBP may be significantly faster too... I can say 2010 i7 (not quad core) with a 7200rpm HD MBP and a MBA 2011 i5 with solid sate went head to head and the AIR blow away the  MBP 2010 in performance. So I am always reluctant to say more processing power is highly important for good Logos performance. 

-dan

Posts 46
RPW | Forum Activity | Replied: Fri, Dec 1 2017 3:39 PM

Thanks, Dan. I have been saving my pennies for a while now and was planning on going with the SSD, but was wondering, is it worth the extra $200 for the i7 cpu over the 3.8 Ghz i5?

Any comments would be greatly appreciated.

Thanks, again

Ron

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Dave Hooton | Forum Activity | Replied: Fri, Dec 1 2017 4:00 PM

Indexing is where you would expect to notice a difference, and the i7 would be more responsive in that time because it has 4 extra threads. If you regularly run multiple processes/programs go for the i7, but not for Logos alone.

Dave
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Posts 46
RPW | Forum Activity | Replied: Fri, Dec 1 2017 4:28 PM

Thanks, Dave. While I may have more than one program open at he same time, it is very rare for more than one program to be actually processing at the same time. Would that reduce the benefit of the i7?

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Dave Hooton | Forum Activity | Replied: Fri, Dec 1 2017 4:54 PM

RPW:
Would that reduce the benefit of the i7?

Yes. I'd go for the i5.

Dave
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Keep Smiling 4 Jesus :) | Forum Activity | Replied: Fri, Dec 1 2017 11:05 PM

RPW:

Looking to purchase a new 2017 27" iMac. Is it worth the $200 to upgrade to the 4.2 i7 cpu from the 3.8 i5 for Logos?

Geekbench => https://browser.geekbench.com/mac-benchmarks shows 4.2 GHz i7 benchmark of 5683 and 3.8 GHz i5 of 5077 so the i7 is 11.9 % faster. The $200 upgrade increases price by 8.7 %

If use many visual filters, then faster i7 could be noticeable in daily use (opening a Bible resource causes visual filter searches to execute).

FYI: more expensive iMac Pro is scheduled for later this month => https://www.apple.com/imac-pro/

Keep Smiling Smile

Posts 939
Deacon Steve | Forum Activity | Replied: Sat, Dec 2 2017 6:49 AM

Do you know if the Fusion Drive (2TB) with the 128GB flash component would render the same (or nearly the same) performance as the full SSD?

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Dave Hooton | Forum Activity | Replied: Sat, Dec 2 2017 3:43 PM

Steve:

Do you know if the Fusion Drive (2TB) with the 128GB flash component would render the same (or nearly the same) performance as the full SSD?

See this article.

Dave
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Windows & Android

Posts 64
Eric Ross | Forum Activity | Replied: Tue, Dec 5 2017 9:22 PM

Add as much memory as you can afford.  The system buffers the disk in unused memory.  Initial start and index creation will be faster on SSD, but a large memory system won’t be that much different once running.  8gb minimum but more preferred.   I use a 2 year old i7 iMac with 16gb and 1TB fusion drive.  It is quite responsive even when I am running other apps at the same time.

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