jd ane mau tanya gan, ane bingung antara 2 asus ini

ASUS K45DR
Tipe Prosesor • AMD Quad Core Processor
Processor Onboard • AMD Quad-Core Processor A8-4500M (1.9 GHz, Cache 4MB)
Chipset • AMD A70M
Memori Standar • 4 GB DDR3 PC-12800
Max. Memori • 8 GB (2 DIMMs)
Video Type • AMD Radeon™ HD 7640G & AMD Radeon™ HD 7470M 1GB DDR3

dan

Asus A43T

Procesor = AMD A6 3400M 1.4Ghz turbo core 2,3Ghz with HD6520G
RAM = 4GB
VGA = HD6650M 1 GB DDR3
HDD = 640GB
Size = 14"
Discrette VGA = AMD 6720 1GB

ane baca2 kalo procesor menang k45 tapi vga menang a43 (sama2 crossfire)
kira2 mana bagus ya gan kombinasinya?

game yg kira2 bakal dimainin :
gta iv
saint row iv
la noire
pes 2013
dota 2

kira2 mana yg bisa masuk settingan mid-high ya gans? thanks yg udh mau bantu dan kaskus .