Which pool are you mining on?
Which software are you using as your miner? There is 5 PHCoin miners which do you use?
And how many threads are you running ?
-t 16 is the default for cpu miner usinf a.bat unless you changes your configuration for threads.
my close to 24 hour stats mining on suchpool:
Intel Core 2 Quad 2.83GGz - 4of4 cores - 95.49KH/s - accepted shares about 2-3 every 10 mins
AMD Phenom II x4 3.21 GHz - 4of4 cores - 117.89Kh/s -accepted shares about 3-4 every 10 mins
AMD FX-8135 8 Core 3.6GHz - 6of8 cores - 336.9Kh/s - accepted shares about 7-8 every 10 mins
AMD r9 280x, intensity 18, stock clock and memclock - 1.752Mh/s - accepted shares 4-6 every min
AMD 7870, intensity 18, stock clock and memclock - 1.35Mh/s - accepted shares 4-5 every min
AMD 5870, intensity 18, stock clock and memclock - 914.5Kh/s - accepted shares 3-4 every min
AMD 6570, intensity 13, stock clock and memclock - 261Kh/s - accepted shares 4-5 every 10 mins