CPU Benchmark of VRM mining:

Update: 22 August 2017. Thanks asket3man for information

INTEL CPUs

#	CPU model	Cores/threads	MINER	OS	Hashrate	TDP
01	Core i5 7600	4 / 4	cpuminer-opt-3.6.5	Windows 10 x64Pro	26 H/s	65W
02	Pentium G 4400	2 / 2	cpuminer-opt-3.6.5	Windows 8.1 x64Pro	10 H/s	54W
03	Xeon E5 2650	8 / 16	cpuminer-opt-3.6.5	Windows 7 x64Pro	40 H/s	95W
04	Pentium G 3260	2 / 2	cpuminer-opt-3.6.5	Windows 7 x64Pro	10 H/s	53W
05	Atom N455	1 / 2	CPUminer-opt-3.6.6	Win7x64	1.9 H/s	15W
06	2 x Xeon 3200DP (800/2mb) Socket 604	1	CPUminer-opt-3.6.6	WinServer2008R2	4.8 H/s	312W
07	2 x Xeon 3400DP (800/1mb) Socket 604	1	CPUminer-opt-3.6.6	WinServer2008R2	4.5 H/s	315W
08	Pentium 2020M	2 / 2	CPUminer-opt-3.6.6	Win10x64	8.8 H/s	35W

AMD CPUs

#	CPU model	Cores/threads	MINER	OS	Hashrate	TDP
01	A10 5800K	4	cpuminer-opt-3.6.6	Win8.1x64	11.8 H/s	250W