Originally posted by HenryM
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The model with 4GB of GDDR5 is @1750MHz, and the model with 8GB of GDDR5 is @2000MHz. It's marketing, people think they need the model with 8GB of VRAM because it offers more FPS than the 4GB model. In fact, for 1080p gaming, 4GB seems enough, you just need to OC the memory.
OC is very easy on Linux when you enable the Overdrive, I use the following script:
Code:
echo "manual" > /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/power_dpm_force_performance_level echo "m 2 2235 950" > /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/pp_od_clk_voltage echo "s 7 1420 1150" > /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/pp_od_clk_voltage echo "c" > /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/pp_od_clk_voltage
Code:
0: 300MHz 750mV 1: 600MHz 769mV 2: 900MHz 893mV 3: 1145MHz 1106mV 4: 1215MHz 1181mV 5: 1257MHz 1150mV 6: 1300MHz 1150mV 7: 1420MHz 1150mV OD_MCLK: 0: 300MHz 750mV 1: 1000MHz 800mV 2: 2235MHz 950mV OD_RANGE: SCLK: 300MHz 2000MHz MCLK: 300MHz 2250MHz VDDC: 750mV 1200mV
Unfortunately, the GPU OC is more restrained without increasing the VDDC.
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