http://www.cpu-world.com/Compare/180/Intel_Pentium_Dual-Core_E5700_vs_Intel_Pentium_Dual-Core_G3220.html
G3220
In single-threaded applications, the G3220 has 42% better performance.
The G3220 processor has 44% higher performance in multi-threaded programs.
The CPU includes SSE4.1 and SSE4.2 instructions.
In addition to 2 CPU cores, the microprocessor embeds HD (Haswell) Graphics Processing Unit. While this GPU is not fast enough to run latest games with all settings on, it can be used for casual gaming and 3D apps.
Power consumption of the processor is lower.