Performance issues after migrating to a new server with better hardware config

I need help optimizing a server. We are currently using a pc with below configuration as a server (current) for Sugarcrm.

Processor: Intel i7-4770K
Hard disk: SATA 500GB 7200 rpm
OS: Ubuntu 12.04 LTS
SugarCRM version: 6.5.10 CE
DB: mysql
DB size: Around 5 GB

Since the number of users were increasing we thought of migrating to a server (new) based hardware with below configuration

Processor: Intel Xeon E5-2630v3 8 core x 2
Hard disk: SAS 1 TB Raid
OS: Ubuntu 14.04 LTS
SugarCRM version: 6.5.10 CE
DB: mysql
DB size: Same as above

Surprisingly, the same lead takes about 4.5 seconds to open on current i7 pc but takes about 12 seconds on the xeon server. The xeon server currently does not have any users connected to it as we are unable to resolve the issues related to performance.

We even tried taking a clone of the current server but didn't help.

We've spent about 20 days trying to optimize it but are still unable to do the same. Could anyone please suggest how we can identify what the bottleneck might be.

When we put the same hard disk on the current machine it works absolutely fine. Only when we use the new server it causes issues.

I'm attaching a top command screen shot for reference.

Any help would be greatly appreciated. Thanks in advance.
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Gerwin Jansen, EE MVETopic Advisor Commented:
Is your Apache on the old machine using 85% CPU as well?
No swap is used so that would not be an issue (memory usage that is).
orazen11Author Commented:
Actually this server does not have any load at all. The top command is just a snapshot. So maybe at that time it was consuming 100%. However, I'll verify this and reply here.
Check to see whatelse was installed with the Server OS
Your OS and DATA and if possible your Web should be on different RAID sets
Check for latest network drivers and other drivers as well, including video

What RPM are the new drives?
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Preston CooperDatabase AdministratorCommented:
What RAID Level are you using?
Gerwin Jansen, EE MVETopic Advisor Commented:
No more feedback? Issue solved?
orazen11Author Commented:
Sorry for the delay in response. We tried a new approach and it worked.

Intel guys had told us to use Ubuntu 14.04 so we had our existing 12.04 to 14.04 using the CLI. So we tried with a fresh installation of 14.04 and configured it from scratch and it started working.

Thanks all for your help and support.

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Gerwin Jansen, EE MVETopic Advisor Commented:
>> Sorry for the delay in response.
No problem at all, good to hear that it's working for you now.
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