- May 18, 2017
- 6
- 0
- 510
MAIN PROBLEM
I've had the Dell Inspiron 15 7568 (http://www.dell.com/en-us/shop/productdetails/inspiron-15-7568-laptop) for about a year and I've always had the problem with its CPU and integrated graphics. The turbo boost was simply NOT WORKING.
I tried disabling and enabling it again in the BIOS, as well as disabling and enabling SpeedStep, C-States and HyperThreading. I also tried various combinations of these setteings (on/off) up to the point where I spent about 2 days only to boot BIOS then check the cpu performance, then switch off and on again and again boot BIOS and blah blah blah...
But no matter how hard I tried, both the CPU and the integrated graphics chip stayed at their base frequency (2500mhz and 350mhz respectively), (both verified with Intel Turbo Boost software, Intel XTU, CPU-z and GPU-z). The performance remained exactly the same in 3D Mark and Cinebench.
Why is that???
PART 2. THERMALS ??
At some point, I thought the problem was in cooling and power. You see, as far as I'm concerned Intel Turbo Boost only works IF there is enough power (balancing it between the CPU and it's integrated graphics chip) and if the entire thing is not too hot. For the record, the small fan on that thing kept the temperature below 65*C (150 Fahrenheit). So I thought maybe it was just too hot for it to boost and gave up on trying.
However, now I have the Dell Inspiron 15 7567 (http://www.dell.com/en-us/shop/productdetails/inspiron-15-7567-laptop/fncwf514s), and, even though it has 2 pretty big fans and it cools down very well, it can still reach 60-65*C (140-150 degrees Fahrenheit) under heavy loads. BUT, this time, both the CPU and it's integrated GPU can, and do boost. They both add at least 700mhz to their base frequencies (2500mhz and 350mhz respectively).
The new laptop has a dedicated GPU (GTX 1050) so I don't really need the integrated one. However, when there is no need for the GTX to run (while doing basic performance, web-browsing, programming, studying etc.) only the integrated graphics works and snce it can boost it does it's job very well.
So, now, considering that thermals are the same, and the power availability is more or less the same (I think), my question is, why the hell did the old CPU not boost?!?!?!
SPECS:
Dell Inspiron 7568 (my old laptop with the boost problem)
CPU: i7 6500U
Integrated graphics: Intel HD Graphics 520
RAM: 8Gb DDR3
HDD: 1Tb 5400rpm
Dell Inspiron 7567 (my current laptop, everything works fine)
CPU: i5 7300HQ
Integrated Graphics: Intel HD Graphics 630
Dedicated GPU: Nvidia GTX 1050 (4Gb)
RAM: 8Gb DDR4
SSD: 256Gb
HDD: 1Tb 7200rpm
I've had the Dell Inspiron 15 7568 (http://www.dell.com/en-us/shop/productdetails/inspiron-15-7568-laptop) for about a year and I've always had the problem with its CPU and integrated graphics. The turbo boost was simply NOT WORKING.
I tried disabling and enabling it again in the BIOS, as well as disabling and enabling SpeedStep, C-States and HyperThreading. I also tried various combinations of these setteings (on/off) up to the point where I spent about 2 days only to boot BIOS then check the cpu performance, then switch off and on again and again boot BIOS and blah blah blah...
But no matter how hard I tried, both the CPU and the integrated graphics chip stayed at their base frequency (2500mhz and 350mhz respectively), (both verified with Intel Turbo Boost software, Intel XTU, CPU-z and GPU-z). The performance remained exactly the same in 3D Mark and Cinebench.
Why is that???
PART 2. THERMALS ??
At some point, I thought the problem was in cooling and power. You see, as far as I'm concerned Intel Turbo Boost only works IF there is enough power (balancing it between the CPU and it's integrated graphics chip) and if the entire thing is not too hot. For the record, the small fan on that thing kept the temperature below 65*C (150 Fahrenheit). So I thought maybe it was just too hot for it to boost and gave up on trying.
However, now I have the Dell Inspiron 15 7567 (http://www.dell.com/en-us/shop/productdetails/inspiron-15-7567-laptop/fncwf514s), and, even though it has 2 pretty big fans and it cools down very well, it can still reach 60-65*C (140-150 degrees Fahrenheit) under heavy loads. BUT, this time, both the CPU and it's integrated GPU can, and do boost. They both add at least 700mhz to their base frequencies (2500mhz and 350mhz respectively).
The new laptop has a dedicated GPU (GTX 1050) so I don't really need the integrated one. However, when there is no need for the GTX to run (while doing basic performance, web-browsing, programming, studying etc.) only the integrated graphics works and snce it can boost it does it's job very well.
So, now, considering that thermals are the same, and the power availability is more or less the same (I think), my question is, why the hell did the old CPU not boost?!?!?!
SPECS:
Dell Inspiron 7568 (my old laptop with the boost problem)
CPU: i7 6500U
Integrated graphics: Intel HD Graphics 520
RAM: 8Gb DDR3
HDD: 1Tb 5400rpm
Dell Inspiron 7567 (my current laptop, everything works fine)
CPU: i5 7300HQ
Integrated Graphics: Intel HD Graphics 630
Dedicated GPU: Nvidia GTX 1050 (4Gb)
RAM: 8Gb DDR4
SSD: 256Gb
HDD: 1Tb 7200rpm
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