AnsweredAssumed Answered

GDDR5 VRAM bandwidth test - poclmembench

Question asked by assiduous on Aug 21, 2020

Greetings,

 

I'm interested to get some comparison points from the community on their poclmembench scores (GitHub - kruzer/poclmembench: calculates your gpu memory speed ).

 

My R9 270 incorporates 2GB of Epilda W2032BBBG 6A-F GDDR5 and achieves:

 

148.8 GB/s @ 925/1375 MHz 777133200000000029BD472A60550C0F231D87030044840022AA1C085C0B14204A8900A000000120110D20234A1D2411

 

170.3 GB/s @ 1050/1575 MHz

77713320000000004A41482C60550C0F2319C8030044840022AA1C085C0B14204A8900A000000120120F2124501E2512

 

180.4 GB/s @ 1200/1625 MHz

77713320000000006B41482C60550C0F231AE8030044840022AA1C085C0B14204A8900A000000120120F2225521E2512

 

I'd like to see some scores from other Pitcairn, Tonga and Polaris users (7870, R9 270/370/285/380, RX 470/480/570/580), noting memory type, whether the memory timings are stock or modified, and what clocks are used. I've seen scores for Polaris but not other Pitcairn and Tonga based GPUs.

 

Happy to take comments and suggestions re: Epilda GDDR5 custom timings.

Outcomes