ThinkPad X1 Carbon (5th GEN) i5 7200U vs i7 7500U which to buy?

X1/X1C series specific matters only
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HouseSoul
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Location: Sofia, Bulgaria

ThinkPad X1 Carbon (5th GEN) i5 7200U vs i7 7500U which to buy?

#1 Post by HouseSoul » Wed Jun 14, 2017 1:37 am

Hello guys,
I'm thinking to buy the new Carbon X1 (5th gen), but i wonder with which processor to buy it? Which of those two (i5 7200U or i7 7500U) will have less power consumption and with which of those i will have longer battery life?

2. Sometimes i'm using the Photoshop CS6, so which processor is better for my purposes? Will use the laptop only for internet browsing and time to time some softwares like Photoshop.

3. Is it the RAM memory a factor for the energy consumption?

Thank you in advance!

w0qj
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Re: ThinkPad X1 Carbon (5th GEN) i5 7200U vs i7 7500U which to buy?

#2 Post by w0qj » Wed Jun 14, 2017 2:24 am

There were recent similar discussions here:

1. X1 Carbon (5th gen, 2017) : 8gb Ram or 16gb Ram , i5 or i7
viewtopic.php?f=62&t=123657

2. In the Market for a X1C
viewtopic.php?f=62&t=123694

- - - - - - - - -
Whilst we don't have a X1 Carbon (5th Gen=X1C5), we two units of X1 Carbon (3rd Gen=X1C3) with i5 and i7 for direct comparison, both 8 GB RAM.
We also have one unit of X1 Carbon 4th Gen=X1C4) with i7 + 16 GB RAM.

A) Battery Life on X1 Carbon i5 vs i7.
From our hands-on experience, we did not notice any significant difference between our i5 vs i7 CPU battery life.

B) Battery Life on X1C3 (8 GB RAM) vs X1C4 (16 GB RAM).
From our hands-on experience, we did not notice any significant difference between our 8 GB RAM vs 16 GB RAM battery life during usage.

Personally, if budget allows, we would recommend i7 + 16 GB RAM config.
~i7 for hyperthreading for your Photoshop work
~16 GB RAM for Photoshop with large image files (especially batch jobs), especially if you plan to use/run any other program during Photoshop conversions which may easily use up all 8GB of RAM, hence 16 GB RAM suggested!

Have fun choosing ;)
Daily Driver: X1 Carbon 4th Gen (X1C-4): i7-6600U 2.6MHz; 16GB DDR3 1866 MHz; 1TB PCIe-NVMe; 14" WQHD 2560x1440; LTE EM7455 Mobile Broadband; Win7 Pro 64bit
Current Thinkpads: X1C-4 | X1C-3 | X250 | X230 | T410
Retired Thinkpads: T42 | 560 (circa 1996)
Also: IBM Thinkpad era computer bag !

HouseSoul
Posts: 2
Joined: Wed Jun 14, 2017 1:25 am
Location: Sofia, Bulgaria

Re: ThinkPad X1 Carbon (5th GEN) i5 7200U vs i7 7500U which to buy?

#3 Post by HouseSoul » Wed Jun 14, 2017 8:27 am

Thank you for the comments.

Maybe i will choose the version with i7 and 16 GB RAM. :)

Thank you again!

w0qj
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Posts: 598
Joined: Fri Jun 11, 2004 9:53 pm
Location: Hong Kong

Re: ThinkPad X1 Carbon (5th GEN) i5 7200U vs i7 7500U which to buy?

#4 Post by w0qj » Fri Jun 16, 2017 3:19 am

1. Oh, one more thing, do get the 65W AC Adapter (USB Type C).
ie: DO NOT get the 45W AC Adapter; the savings are minimal and it would greatly increase your notebook charging time.

2. If and when you do get your hands on a shiny new X1 Carbon (5th Gen),
we would appreciate your hands-on feedback after a few weeks of actual use ;)
Daily Driver: X1 Carbon 4th Gen (X1C-4): i7-6600U 2.6MHz; 16GB DDR3 1866 MHz; 1TB PCIe-NVMe; 14" WQHD 2560x1440; LTE EM7455 Mobile Broadband; Win7 Pro 64bit
Current Thinkpads: X1C-4 | X1C-3 | X250 | X230 | T410
Retired Thinkpads: T42 | 560 (circa 1996)
Also: IBM Thinkpad era computer bag !

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