Why is thunderbolt ethernet only 80Mb instead of 200Mb on my older MacBook Pro

Why is thunderbolt ethernet on my new MacBook Pro (2014) only 80Mb, instead of 200Mb without thunderbolt on my older MacBook Pro?

Why not perform Safari > Reset with all options checked? Restart Safari.
How many Safari extensions and plug-ins are active? In Safari > Preferences > Advanced, have you checked stop plug-ins to save power?
Browsers must locally expand compressed images from remote sites. As the image size and quantity increase, or the proliferation of Flash advertising increases, so does the performance penalty.
We all wish we had a direct point-to-point Internet connection. Unfortunately, one or more overloaded, attacked, ill-configured, or failing network edge devices along the connection may contribute to site delays.
Depending on your workflow habits, and machine configuration, you may be encountering periods of low available memory
Any anti-virus/malware software installed will drain away system performance.
I haven't tested this, but have often wondered if Safari consults with an Apple DNS server to find browser destinations — and if this is a source of additional, overloaded network performance delay.

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    Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
    0   ...esign.Package and Preflight     0x1375196f 0x136ae000 + 670063
    1   ...esign.Package and Preflight     0x13751c30 0x136ae000 + 670768
    2   ...esign.Package and Preflight     0x13751c30 0x136ae000 + 670768
    3   ...esign.Package and Preflight     0x13751b90 0x136ae000 + 670608
    4   ...esign.Package and Preflight     0x1374d977 0x136ae000 + 653687
    5   ...esign.Package and Preflight     0x137553f9 0x136ae000 + 685049
    6   ...esign.Package and Preflight     0x137aa91d GetPlugIn + 271597
    7   ...esign.Package and Preflight     0x137ae035 GetPlugIn + 285701
    8   ...adobe.InDesign.AppFramework     0x1242fe37 GetPlugIn + 45687
    9   ...adobe.InDesign.AppFramework     0x124303f9 GetPlugIn + 47161
    10  ...adobe.InDesign.AppFramework     0x1242f70f GetPlugIn + 43855
    11  PublicLib.dylib                    0x01336c53 CSubject::ModelChange(IDType<ClassID_tag>, IDType<PMIID_tag> const&, void*, LazyNotificationData*) + 131
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    13  ...adobe.InDesign.AppFramework     0x12513f7a GetPlugIn + 979898
    14  ...adobe.InDesign.AppFramework     0x125141b3 GetPlugIn + 980467
    15  ...adobe.InDesign.AppFramework     0x124137c2 0x12400000 + 79810
    16  ...adobe.InDesign.AppFramework     0x1241a621 0x12400000 + 108065
    17  PublicLib.dylib                    0x0124c32b CmdUtils::ProcessCommand(ICommand*) + 59
    18  com.adobe.InDesign.Links           0x188a2d91 GetPlugIn + 120929
    19  ...esign.Package and Preflight     0x136c650a 0x136ae000 + 99594
    20  ...esign.Package and Preflight     0x136c7179 0x136ae000 + 102777
    21  ...gn.Package and Preflight UI     0x1b976605 GetPlugIn + 543125
    22  ...gn.Package and Preflight UI     0x1b976816 GetPlugIn + 543654
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    24  ...gn.Package and Preflight UI     0x1b972f3b GetPlugIn + 529099
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    26  com.adobe.InDesign.Actions         0x1a742adb GetPlugIn + 35499
    27  ...adobe.InDesign.AppFramework     0x12401cf3 0x12400000 + 7411
    So, this crash was either due to Packaging or Preflight. Astoundingly, based on previous experience, I think this one actually is because of Live Preflight. Try turning it off.
    I thought your crashes were actually more random, not based on a particular action. Does it usually succeed in packaging this document, or is this a reproducible crash?
    I don't think Macinbytes' experience is very generalizable, though. We'll see...

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