I am getting confused here. Something on my motherboard is getting very hot underload WRT to the intel platform.
For reference, the CPU is i7 4770 | 22nm | 4 Cores-8 Threads | Base Freq. 3.40 GHz, Turbo Freq. 3.90 GHz | TDP - 84W | Socket- LGA 1150 | T_Case- 72.72°C |
MotherBoard - Gigabyte GA GA-H81M-S (rev. 1.0)
RAM - Kingston HyperX DDR3
CPU Cooler - Cooler Master Hyper 212x
Cabinet - Some Corsair Cabinet, 2x 120mm Intake Fans, 1x 120mm Exhaust Fan Overhead right above Horizontally install CPU heatsink.
Setup -
- As per SPEEDFAN monitoring utility, some TEMP3 sensor is getting hot under load.
- The load I applied here is CPU Burner (Furmark) running at 8 Threads (Default) and Battlefield V on Ultra settings.
- Monitoring is done through Speedfan and MSI Afterburned OSD telemetry
Concern :-
- As mentioned above, ONLY Temp3 is 38°C on idle and 85ish °C on full load by CPU burner. WHAT IS TEMP3? Is this the actual cumulative temperature of CPU or what as all other sensors seem good and cool under load and in ideal conditions?
- In-Game (I have only installed Battlefield V) again this is the same sensor getting hot. So I enabled all CPU OSD and the load is not even 100% to justify the rise as the game is only using 35-45% of CPU..
- There is also much variation in each CPU usage like all cores are not equally active in running game whereas older FX6300 use to provide balance output from all 6 cores.
- IF it is the CPU that is getting hot (there is raise in CPU fan RPM also) there should also be enough power draw but its below 30watts instead of say 75 watts or even 80 if turbo freq. is active.
- The cabinet body near exhaust fan is only slight warm instead of HOT when touched by bare hands considering 80°C outputs from CPU heatsink. Before with FX 6300 under game load, temps use to be around 65°C-70°C which made the cabinet very-very hot to touch. One can feel the radiation from FX platform but this is intel is not suppose to run that hot.
- Whats wrong here? Screenshot for reference.
Idel with 8 chrome tabs.
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Under game load. Note the usage variation amove each core of the processor. Thats is 76°C with 38% usage at 28 watts only. turbo is on hence Freq. is 3.67 GHz.
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Under CPU burner load. Why the hell there are so many spikes under load. Is it CPU throtteling?
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Please help in here. Thanks