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Will an i5-3337u be fast enough?

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July 10, 2013 4:32:49 PM

I'm considering an i5-3337u. It's an Ultra Low Voltage processor clocked at only 1.8 GHz, which is less than that of my current 2.4 GHz desktop computer from 2007 (an Athlon 64 3800+).

Disregarding graphics performance and multitasking, does the i5-3337u have single-threaded performance at least as good as my current processor?

Also, I see that it can temporarily increase its clock speed using Turbo Boost. Will that kick in for everyday tasks like surfing the internet? I really don't want to see noticeable lag. I don't play games but I usually have around 20 browser tabs open.

Thanks in advance.

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July 10, 2013 4:49:08 PM

The Core i5-3337U has MUCH better single-threaded performance than the Athlon 64 3800+, because it's not just about the clock rate. It's also about how much work the CPU can do per clock cycle.

This is actually what AMD was trying to say with the 3800+ name; the CPU only runs at 2400 MHz, but they were saying it would perform like a contemporary Intel CPU at 3800 MHz. Back then, Intel were chasing MHz and AMD were doing better in performance per clock. Today it's almost the other way around, plus all modern CPUs are a lot better than the ones from 2007.

Turbo Boost will kick in if necessary. But everyday tasks may not even need the extra speed, so the CPU may very well stay at lower clocks to conserve power.
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July 10, 2013 5:43:12 PM

Oh, wow, then it should be perfect :) 
Thanks a lot for your help, Sakkura!

Sakkura said:
The Core i5-3337U has MUCH better single-threaded performance than the Athlon 64 3800+, because it's not just about the clock rate. It's also about how much work the CPU can do per clock cycle.

This is actually what AMD was trying to say with the 3800+ name; the CPU only runs at 2400 MHz, but they were saying it would perform like a contemporary Intel CPU at 3800 MHz. Back then, Intel were chasing MHz and AMD were doing better in performance per clock. Today it's almost the other way around, plus all modern CPUs are a lot better than the ones from 2007.

Turbo Boost will kick in if necessary. But everyday tasks may not even need the extra speed, so the CPU may very well stay at lower clocks to conserve power.

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July 11, 2013 4:16:32 PM

Thanks for your answer, hafijur; that's good to know. It wasn't even an x2 version, so this should be quite an upgrade. :) 

I just got the computer, and it is indeed fast. :wahoo: 
Thanks for the help, guys!

hafijur said:
i5 3337u once on turbo runs 2.7ghz single core and 2.5ghz dual core mode.
You can see for it yourself.
http://www.notebookcheck.net/Intel-Core-i5-3337U-Notebo...

Also its always on turbo if you are just doing cpu intensive tasks but if you game like I do on my 3317u and 640m then the turbo can turn off after extended use of gaming if the cpu goes over 90 degrees. It stay at 2.4ghz when doing encoding mine so yours should stay at 2.5ghz. Oh one other thing this cpu is like 2.5-3x faster on multithreaded if the 3800 was an x2 version.

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