The Notebook Review forums were hosted by TechTarget, who shut down them down on January 31, 2022. This static read-only archive was pulled by NBR forum users between January 20 and January 31, 2022, in an effort to make sure that the valuable technical information that had been posted on the forums is preserved. For current discussions, many NBR forum users moved over to NotebookTalk.net after the shutdown.
Problems? See this thread at archive.org.

    T450s configuration

    Discussion in 'Lenovo' started by etz, Mar 15, 2015.

  1. etz

    etz Notebook Enthusiast

    Reputations:
    0
    Messages:
    18
    Likes Received:
    3
    Trophy Points:
    6
    Hey guys,

    I'm in the midst of replacing my trusty X300 and I am looking for some input: i'm going to buy the laptop from ok1.de, so i was wondering, if i should get the i5 version or the i7? Both are FHD, 12GB of RAM and 3+3 cells. Should i spring the extra 300 euros for the i7 or is it not worth it ? How much is the performace difference between the i5 and the i7 version.

    I am mostly doing programming on it and the occasional HD video.

    Thanks in advance
     
    etz, Mar 15, 2015
    #1
  2. Alias

    Alias Notebook Deity

    Reputations:
    78
    Messages:
    714
    Likes Received:
    143
    Trophy Points:
    56
    Imo, the I7 is not really worth it as you aren't going to notice any performance increase . Save your money and get the i5 5300u which is faster than the prev generation i7 series.
     
    Alias, Mar 15, 2015
    #2
  3. d2tbydt2

    d2tbydt2 Notebook Consultant

    Reputations:
    8
    Messages:
    123
    Likes Received:
    4
    Trophy Points:
    31
    I second that.
    From cpubenchmarks

    i5-4300U 3758
    i5-5300U 3972
    i7-5600U 4400

    In general, the performance improvement is not worth $300.
    I am a new T450s owner and went with the i7 (from previous T440s, i5-4300U) , since for some of the numerical computing work, the extra 17-20% improvement was worth it for me.
    Cheers.
     
    d2tbydt2, Mar 15, 2015
    #3
  4. ZaZ

    ZaZ Super Model Super Moderator

    Reputations:
    4,982
    Messages:
    34,001
    Likes Received:
    1,418
    Trophy Points:
    581
    Unless you're running your CPU at or near capacity most of the time, some do, it won't make much of a difference. Investing in a SSD is a better investment of your funds.
     
    ZaZ, Mar 16, 2015
    #4
  5. etz

    etz Notebook Enthusiast

    Reputations:
    0
    Messages:
    18
    Likes Received:
    3
    Trophy Points:
    6
    hmm, on the ok1.de page, the only i5 is i5-5200u. How much is the difference between i5-5200u and 5300u. Should i ask for the 5300u version ?
     
    etz, Mar 17, 2015
    #5
  6. Thors.Hammer

    Thors.Hammer Notebook Enthusiast

    Reputations:
    982
    Messages:
    5,162
    Likes Received:
    33
    Trophy Points:
    216
    The 5300 has better virtualization capabilites. Only reason I can think of.
     
    Thors.Hammer, Mar 17, 2015
    #6
  7. d2tbydt2

    d2tbydt2 Notebook Consultant

    Reputations:
    8
    Messages:
    123
    Likes Received:
    4
    Trophy Points:
    31
    I thought the 5300 and 5200 had the same virtualization capabilities as per the link below. The vT-x and vT-d, both are present.
    This is unlike the previous generation, where in the 4200U did not have vT-d, but the 4300U did have them both.

    http://ark.intel.com/compare/85215,85212,85213

    Would like to hear some clarification on this.
     
    d2tbydt2, Mar 17, 2015
    #7
  8. Thors.Hammer

    Thors.Hammer Notebook Enthusiast

    Reputations:
    982
    Messages:
    5,162
    Likes Received:
    33
    Trophy Points:
    216
    My bad, I just assumed the 5200 and 5300 were like the 4200 and 4300. Looks like Intel fixed that. Thanks for the heads up. That'll save me $100 if I buy a 450 series or the X1 Carbon Gen 3.
     
    Thors.Hammer, Mar 17, 2015
    #8
  9. etz

    etz Notebook Enthusiast

    Reputations:
    0
    Messages:
    18
    Likes Received:
    3
    Trophy Points:
    6
    so i shouldn't spring for the 5300u ?
     
    etz, Mar 17, 2015
    #9
  10. d2tbydt2

    d2tbydt2 Notebook Consultant

    Reputations:
    8
    Messages:
    123
    Likes Received:
    4
    Trophy Points:
    31
    I suppose the 5200U should work. I just checked cpuboss.com and it confirms the Virtualization support on the 5200U.
    The 5300U has the following extra features - SIPP, TSX and VPro, which I assume are more geared towards Enterprise (though I still confused as to what the SIPP and TSX have to offer).
    It would be good to get some first hand info from i5-5200U owners.
     
    d2tbydt2, Mar 17, 2015
    #10
  11. Thors.Hammer

    Thors.Hammer Notebook Enthusiast

    Reputations:
    982
    Messages:
    5,162
    Likes Received:
    33
    Trophy Points:
    216
    The 5200u lacks Trusted Execution Technology. I thought that was required for Hyper-V but I might have that wrong.
     
    Thors.Hammer, Mar 17, 2015
    #11