i have a amd fx 8120 running at 4.2ghz n HD 7870 when i play fsx the video card downclocks i want to know if it is my cpu gpu or psu

 

 

Gigabyte 990FXA-UD3 AMD 990FX AM3+ Motherboard, AMD FX-8120 X8 3100MHZ 16MB 125W AM3+, Sony Optiarc 24X DVDRW SATA OEM, WD Caviar Blue 1TB SATA HD 7200/32MB/SATA-6G, Corsair Vengeance LP 8GB PC12800 DDR3 1600MHz 2x4, Thermaltake Overseer RX-I Full Tower Gaming Case, DIAMOND 7870PE52G Radeon HD 7870 GHz Edition 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card Noctua NH-D14 CPU Cooler for i5, i7, 775 and AMD, COOLMAX ZP-750B APFC/V2.3/EPS12V/V2.92 80+ BRONZE

Hi, I understand from your post that you have an AMD 8120 CPU with an ATi 7870 GPU and that you beleive the GPU performance in FSX 'downclocks', could you explain what you mean. Does this problem just exist with FSX or all 3D games? There is no reason why FSX would or could force a decrease in performance of either your CPU, GPU or PSU.

Hi, I understand from your post that you have an AMD 8120 CPU with an ATi 7870 GPU and that you beleive the GPU performance in FSX 'downclocks', could you explain what you mean. Does this problem just exist with FSX or all 3D games? There is no reason why FSX would or could force a decrease in performance of either your CPU, GPU or PSU.

 

 

first i have now my cpu running at 4.3ghz my hd 7870 i have it from 1000 stock i raise to 1150 n memery clock from 1200 stock i have it at 1450 i found out today when i flight during the day with pmdg 747 my card holds steady when i fly at night it downclocks from 1150 to 300 n 450 it is downclocking that what i mean so i do not know if its bottleneck or not

It looks like AMD have introduced a new technology called PowerTune that automatically alters the GPU clock speed based on power draw - http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/52165-amd-radeon-hd-7870-hd-7850-review-3.html

 

As the night graphics in FSX are not as intensive as the daytime graphics it looks as if your card is automatically reducing its clock speed becuase it is not neccesary for it to run on full power.

It looks like AMD have introduced a new technology called PowerTune that automatically alters the GPU clock speed based on power draw - http://www.hardwarec...0-review-3.html

 

As the night graphics in FSX are not as intensive as the daytime graphics it looks as if your card is automatically reducing its clock speed becuase it is not neccesary for it to run on full power.

 

it is only happening to me on night graphics

it is only happening to me on night graphics

 

As the night graphics in FSX are not as intensive as the daytime graphics it looks as if your card is automatically reducing its clock speed becuase it is not neccesary for it to run on full power.

As the night graphics in FSX are not as intensive as the daytime graphics it looks as if your card is automatically reducing its clock speed becuase it is not neccesary for it to run on full power.

 

i guess or maybe driver issue or botteneck somewhere