i7 4670k Vs i7 3570k
Lower typical power consumption 68.25W vs 107.5W More than 35% lower typical power consumption
Significantly higher Maximum Operating Temperature 72.72 °C vs 67.4 °C Around 10% higher Maximum Operating Temperature
Better performance per watt 13.39 pt/W vs 8.23 pt/W Around 65% better performance per watt
Better performance per dollar 6.25 pt/$ vs 4.53 pt/$ Around 40% better performance per dollar
Better turbo clock speed 1,200 MHz vs 1,150 MHz Around 5% better turbo clock speed
Better PassMark (Single core) score 2,144 vs 2,012 More than 5% better PassMark (Single core) score
Better cinebench r10 32Bit 1-core score 7,335 vs 6,557 More than 10% better cinebench r10 32Bit 1-core score
Marginally newer Apr, 2013 vs Apr, 2012 Release date 11 months later
Better cinebench r10 32Bit score 25,519 vs 22,742 More than 10% better cinebench r10 32Bit score
Significantly lower annual home energy cost 20.24 $/year vs 38.81 $/year Around 50% lower annual home energy cost
Lower annual commercial energy cost 73.58 $/year vs 106 $/year More than 30% lower annual commercial energy cost
BOTTOM LINE
Pros and Cons summary
Core i5-3570K
General recommendations:
Allows effortless overclocking,
Needs less power,
Slightly lower official price,
Insignificantly better price / performance ratio
Drawbacks:
Performs a bit worse in all application types,
Lacks some instructions
Core i5-4670K
General recommendations:
Performs insignificantly faster in all kinds of tasks,
Features AVX2 instructions
Drawbacks:
Requires slightly more power,
Priced a bit higher,
Slightly worse price / performance ratio
SINCE YOUR OVERCLOCKING GET IVY OR ELSE GET HASWELL