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09-15-2020 01:57 AM - edited 09-15-2020 02:09 AM
Hi, I'm having a strange situation. I have exactly same HW on two workstations ( Intel(R) Xeon(R) CPU E5-1650) . One of them is running with the clock speed of 3.2GHz and the other is 3.5GHz.
PCI for both is disabled at the Bios, and both are on the Turbo mode . Any tips How I can change the Clock speed from 3.2 to 3.5 ?
09-22-2020 11:56 PM - edited 09-23-2020 12:42 PM
you don't have the exact same hardware in each system,..................................
pay close attention to each page and you will see what the difference is between Sandy bridge and Ivy bridge
hint it's the line that starts off as:
Intel® Xeon® Processor
09-24-2020 04:56 AM - edited 09-24-2020 05:05 AM
The situation is that one system is using a Xeon E5-1650 6-core @ 3.2 / 3.8GHz and the other is running on an Xeon E5-1650 v2 6-core @ 3.5 / 3.9GHz.
To change the Xeon E5-1650 system to running a 3.5GHz base clock, it is necessary to buy and install a motherboard that can run the E5-16XX v2 processor. The motherboards can be identified by the Boot Block Date date in BIOS: the first version is 2011 and for the v2 second version, the date will be 2013) and then to buy and install a Xeon E5-1650 v2. If the system is a z420 or z620, changing the motherboard is quite easy: remove the GPU, carefully unplug all the power connections to the motherboard, turn the two large green retaining tabs 90 degrees, and slide the motherboard towards the front of the case, tilt and withdraw.
The Xeon E5-1650 v2 is interesting in terms of clock speed as it is one of the rare Xeons that may be overclocked, using the free Intel Extreme Tuning Utility (XTU). The others in this series are E5-1660 v2 and E5-1680 v2.
Using XTU is very easy; choose a multiplier and add voltage until the CPU is stable.
Keep in mind that overclocking will increase the CPU temperature and control of that temperature is the limitation on maximum clock speed. Two of the office systems- z620 and z420- are using E5-16XX processors that are overclocked to 4.3GHz on all cores, but this requires using the z420 AIO liquid cooler. Without the liquid cooler the highest all-core clock speed on both is 4.1GHz.
HP z620_2 (2017) (R7) > Xeon E5-1680 v2 (8C @ 4.3GHz) / z420 Liquid Cooling / 64GB (HP/Samsung 8X 8GB DDR3-1866 ECC registered) / Quadro P2000 5GB _ GTX 1070 Ti 8GB / HP Z Turbo Drive M.2 256GB AHCI + Samsung 970 EVO M.2 NVMe 500GB + HGST 7K6000 4TB + HP/HGST Enterprise 6TB / Focusrite Scarlett 2i4 sound interface + 2X Mackie MR824 / 825W PSU / Windows 7 Prof.’l 64-bit (HP OEM) > 2X Dell Ultrasharp U2715H (2560 X 1440)
[ Passmark Rating = 6280 / CPU rating = 17178 / 2D = 819 / 3D= 12629 / Mem = 3002 / Disk = 13751 / Single Thread Mark = 2368 [10.23.18]
HP z420_3: (2015) (R11) Xeon E5-1650 v2 (6C @ 4.3GHz) / z420 Liquid cooling / 64GB (HP/Samsung 8X 8GB DDR3-1866 ECC registered) / NVIDIA GeForce GTX 1060 6GB/ Samsung 860 EVO 500GB + HGST 4TB / ASUS Essence STX + Logitech z2300 2.1 / 600W PSU > Windows 7 Professional 64-bit (HP OEM ) > Samsung 40" 4K
[Passmark System Rating: = 5644 / CPU = 15293 / 2D = 847 / 3D = 10953 / Mem = 2997 Disk = 4858 /Single Thread Mark = 2384 [6.27.19]
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