Gan, ane nanya dong. Kira - kira komputer ane bottleneck gak yah?

Spesifikasi:
Processor: AMD Vishera FX-4300, AM3+ @3.8GHz 4-Core
VGA: HIS Radeon HD 6870, 1GB GDDR5 256-bit PCI-Ex 2.1
RAM: 4GB
Motherboard: Gigabyte GA-78LMT-S2P, Socket AM3+ PCI-Ex 2.0 SATA II
HDD: Hitachi HDS725050KLA360, SATA II
Power Supply: Simbadda 500W

OS: Windows 8.1 Pro

Thanks Sebelumnya