Have a 1.7 ghz processor.. need to upgrade for gaming

What's your budget? here's a combo for non overclockers

http://pcpartpicker.com/p/17Ck9

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4570 3.2GHz Quad-Core Processor ($194.99 @ NCIX US)
Motherboard: ASRock B85M-HDS Micro ATX LGA1150 Motherboard ($66.97 @ Newegg)
Total: $261.96
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-07 18:38 EST-0500)

For overclockers

http://pcpartpicker.com/p/1YVwG

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD FX-6300 3.5GHz 6-Core Processor ($117.97 @ SuperBiiz)
CPU Cooler: Xigmatek GAIA SD1283 56.3 CFM CPU Cooler ($31.99 @ Amazon)
Motherboard: Gigabyte GA-970A-D3P ATX AM3+/AM3 Motherboard ($54.99 @ Newegg)
Total: $204.95
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-07 18:39 EST-0500)

http://pcpartpicker.com/p/12ijj

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($239.99 @ Newegg)
CPU Cooler: Xigmatek GAIA SD1283 56.3 CFM CPU Cooler ($31.99 @ Amazon)
Motherboard: ASRock Z87 Pro3 ATX LGA1150 Motherboard ($99.99 @ Newegg)
Total: $343.97
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-07 18:40 EST-0500)