I am getting in the 690 range instead of 730 range like you.
[2017-09-04 03:40:00] : Result accepted by the pool.
[2017-09-04 03:40:44] : Result accepted by the pool.
[2017-09-04 03:40:47] : Result accepted by the pool.
[2017-09-04 03:40:51] : New block detected.
[2017-09-04 03:41:01] : New block detected.
[2017-09-04 03:41:06] : Result accepted by the pool.
[2017-09-04 03:41:18] : Result accepted by the pool.
[2017-09-04 03:41:22] : Result accepted by the pool.
[2017-09-04 03:41:56] : New block detected.
hHASHRATE REPORT
| ID | 10s | 60s | 15m | ID | 10s | 60s | 15m |
| 0 | 729.3 | 729.3 | 729.4 | 1 | 744.5 | 744.4 | 744.4 |
| 2 | 735.6 | 735.5 | 735.6 | 3 | 733.3 | 733.0 | 733.0 |
| 4 | 743.4 | 743.4 | 743.6 | 5 | 734.9 | 735.5 | 735.7 |
| 6 | 753.1 | 752.8 | 752.5 | 7 | 742.3 | 742.5 | 742.4 |
| 8 | 734.7 | 734.4 | 733.5 |
-----------------------------------------------------
Totals: 6651.0 6650.8 6650.1 H/s
Highest: 6654.0 H/s