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bp9801

NVIDIA Geforce RTX 3080 OC Guide

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Very useful guide ! 

Especially the part about the CRC check on the memory which means a bad memory overclock will probably cause performance loss first instead of artifacting or crashing first like previous cards.

The review mentions using the Unigine Heaven benchmark and I definitely found it very useful, especially for testing the memory overclock.

When I was testing my memory overclock on Unigine Heaven benchmark at 2560x1440 with max settings this is what I found :
Memory offset | Average FPS | Score
+0 :        127.3  | 3206 
+250 :    127.7  | 3216
+400 :    128.0  | 3225 
+500 :    128.3  | 3231 
+600 :    128.4  | 3236
+700 :    128.6  | 3240 
+800 :    128.8  | 3244 
+900 :    128.9  | 3248 
+1000 :  129.1  | 3253 
+1250 :  129.6  | 3264 
+1499 :  116.7  | 2940 
+1500 :  117.3  | 2955 

The memory on my MSI RTX 3080 Gaming X Trio seems to be very good. All the way up to +1250 I still found gains in performance in Heaven.
Only after that point did I experience the performance regression associated with the CRC check on the memory and it's quite a severe drop.

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Nice! The Trio I reviewed was able to reach +800, but after a few hours of benchmarks it started to crash the computer. So I settled on +400. You seem to have a very nice card. I know Micron has 21.5Gbps memory. Not sure NVIDIA didn't use it and stuck with 19Gbps. Maybe due to heat issues?

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