How much drop off in performance(fps) would it suffer?

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HolyGear

Honorable
Dec 8, 2013
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I'm going to be using:

GPU: EVGA GTX 650 Ti Boost

Processor: AMD FX-6300 Black Edition, 3.5GHz

MotherBoard: ASUS M5A97 R2.0

Ram: 2 x 2GB Kingston DDR3, PC3-10600 (1333MHz), CL9

Monitor: Monitor LED Gateway de 21.5", Resolución 1920 x 1080


My questions are:

1.)How much drop off in performance(estimate in %) would it be if I use a 3.0 PCIe x16 GPU with a 2.0 PCIe x16 slot?
Or do they just say that its a 3.0 PCIe x16 for marketing?


2.)Also if I run games like Planetside 2, Skyrim, Battlefield with only 4gb(Would the preformance be fine?) or would you guys say its a big jump from 4gb to 8gb?
 
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1) A GTX 650 Ti isn't fast enough to saturate the bandwidth available on PCIe 2.0 x16, so there'll be basically 0% difference between running in 2.0. No, PCIe 3.0 isn't just marketing, however, only super high end cards like dual-gpu cards (GTX 590/690, HD 6990/7990) can really use the extra bandwidth provided by a 3.0 slot.

2) You'll only see a performance increase going from 4 to 8GB of RAM if you ever actually use over 4GB. Most games don't need more than 4GB, however it's in your best interest to have 8GB as it'll ensure you are never limited by insufficient memory.
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Gam3r01

Gam3r01

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Jan 12, 2013
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2.0 to 3.0 is a physical 2-3% increase, but there is no card that can really saturate the lane so there is no loss. As for ram, those games will suffer on 4, most wont, but those 3 are the most intensive games out there for the most part. Under PS2 I hit 5.9 gigs of ram used.
 
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doubletake

Honorable
Sep 30, 2012
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1) A GTX 650 Ti isn't fast enough to saturate the bandwidth available on PCIe 2.0 x16, so there'll be basically 0% difference between running in 2.0. No, PCIe 3.0 isn't just marketing, however, only super high end cards like dual-gpu cards (GTX 590/690, HD 6990/7990) can really use the extra bandwidth provided by a 3.0 slot.

2) You'll only see a performance increase going from 4 to 8GB of RAM if you ever actually use over 4GB. Most games don't need more than 4GB, however it's in your best interest to have 8GB as it'll ensure you are never limited by insufficient memory.
 
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