Anyone mining ZCASH ?

Am using AMD Radeon HD 6450 - ( quad core 16 GB RAM )
and niceminer (nheqminer.exe) for windows and using suprnova pool . Have configured for using GPUs too but
am getting around 7.69 to 8 Sols/s. Is this quite low for this configuration or is it just about the speed that one can get with this config ?

Any pointers are appreciated.

[0x00000484] Speed [300 sec]: 4.13667 I/s, 7.66333 Sols/s





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