Extracting the key points:
CPU: RK3188 is best, A31s is next, ATM7029 is weakest
GPU: A31s has the best, RK3188 is next, ATM7029 is weakest
ATM7029 is best, A31s is next, RK3188 is least stingy
AnTuTu Score Range:
Quad-core RK3188 A9 28nm at 1.6GHz with Mail400 MP4 GPU has an AnTuTu score in the 17,000 range.
Quad-core A31s A7 40nm at 1GHz with PowerVR SGX 544MP2 GPU has an AnTuTu score in the 12,000 range.
Quad-core ATM7029 A5 40nm at 1.2GHz with GC1000 GPU has an AnTuTu score in the 6,000 range.
So in terms of power, the line-up is (updated June 29, 2013):
1) Chuwi V88, ICOO Fatty 2, Vido Mini One (RK3188)
2) Onda V818 (A31s)
3) Ramos X10 and HKC Q79 (Quest) (ATM7029)