I did some playtesting on gta5 today as the first time I ran it on my gtx 1070. Boy this game is demanding. It is the first game where my 1070 cannot play at ease 1440p maxed out. Also some info here which may help others when considering antialiasing vs higher resolutions. I made a similar post regarding AA vs pixel count on ocuk when discussing 4k on ps4.
On the settings I was using on my gtx 970 (which for many of the settings was one below maximum, grass on medium) The card was at about 90% utilisation in the most demanding areas and sustaining 60fps when cpu was not bottlenecking. I then disabled the extra draw distance in advanced graphics setting (they hurt the cpu badly) and I could just about sustain 60fps in city areas with max population density and traffic still enabled. cpu cores were hovering 80-85% in city.
However I got annoyed with all the shimmering affects on edges, which I think is a problem that gets worse at higher resolutions, sure enough when I dropped to 720p most of shimmering disappeared albeit replaced with fuzzyness and not so sharp graphics. e.g. things like cable's will be thinner on a higher resolution screen so jagged edges and so forth will be more apparent. The problm is when in motion e.g. when driving things like cables can appear to be disappearing due to the shimmer affect and edges of buildings and even cars in front of you have a weird affect, I tried downsampling to no avail, FXAA near useless, MSAA worked, but MSAA on top of 1440p = ouch. I could only get it satisfactory with MSAA 4x, 2X helps but not enough for my liking. But my 1070 cannot keep up at 60fps with 1440p and MSAA 4x. So I then enabled nvidia's MFAA and now I get 4xMSAA quality with the setting at 2x. With 2xMSAA setting tho the card is very close to its limits typically 85%+ and will go over 95% in most demanding areas, but just about holds on. This is still without ultra asettings, most stuff one below the highest. Although I now set shadows and tessellation to max as I was getting annoying pop ins. This overloaded the card again so I dropped to 1200p. The card at 1200p with the settings now never goes above 80% and is usually close to 65%. At 1200p it looks very good still and definitely better than 1440p with no MSAA. So it shows at least in my view pixel count is inferior to other options when a choice has to be made.
Another game I play tales of zesteria, I play at 1440p with 4xSGSSAA, I tried 4k downsampling alongside no antialiasing, again 1440p with 4xSGSSAA beats 4k, even 1080p with 4xSGSSAA beats 4k.
If he is using integrated GPU then yeah go for AMD. Although I would only consider that a stop gap measure.
Edited by Chrysalis (Thu 27-Oct-16 08:08:47)