Why Assassin's Creed 4 lag??

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Windows007

Commendable
Apr 19, 2016
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Hi. I recently downloaded As creed 4 black flag and it lags on very low settings. I have intel i3 6100 3.7 ghz, 4gb ddr4 ram, geforce gt630 2gb. I don't know why but this game is laging to me and I think is because this game needs shader model 4.0 and my gpu have 3.0. Help meee !!
 
Hey,
Yes the GT630 is a lower-end GPU but you can find many FUN GAMES that will still work with it.

Usually the top-down, "god" games like Diablo 3, Torchlight 2, etc are a good place to start.

Older games like Half-Life 2 etc.

An RX-470 4GB, GTX1050 4GB (no less than 4GB) or better would be a nice upgrade. I'll try to find the PERFORMANCE difference and post below (including GT630).
 
The integrated graphics on your processor is probably stronger than that gt 630, not to mention you only have 4gb of ram running a pirated game, it's going to run poorly even if it was an authentic version
 
GT630-> 3dMark GPU score is:
810

iGPU (in i3-6100): 6220
- about 7.5X that of the GT630 though that doesn't mean 7-8xx the FPS per say. Lots of factors affect that, plus Intel doesn't work with game developers to optimize code AFAIK. I'd guess at least 4x the FPS at the same settings though.

GTX1070-> 18,460

RX-470 4GB-> 11,830

BENCHMARK with GTX1050Ti and others: https://www.techpowerup.com/reviews/MSI/GTX_1050_Ti_Gaming_X/27.html

$125 (after $15 rebate) for the cheapest GTX1050Ti: http://pcpartpicker.com/product/x7s8TW/msi-geforce-gtx-1050-ti-4gb-video-card-gtx-1050-ti-4gt-oc

Summary:
Best value IMO is the GTX1050Ti 4GB.

AC4 runs like ass on my system (i7-3770K + GTX1080). Even with a good system I had to tweak the settings carefully to achieve good FPS, then when I went to the island I had to drop some (especially PhysX if I remember).

Screen tear for me was horrible with VSYNC OFF, but if I couldn't maintain a solid 60FPS (60Hz monitor) with VSYNC ON I got really bad STUTTERING. I just gave up as I've got more enjoyable games to play.

AC3 plays much, much better. I was playing that at 60FPS, 1080p with most settings near max on a GTX680 2GB which should be about the same as a GTX1050Ti.
 
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