PS5 won't play PS1, PS2 or PS3 discs, 100 PS4 games support at launch | TweakTown
How powerful is the PS5? We look to the past to find out (and it's a lot) | Android Central
Inside the PlayStation 4: A balanced approach to building a game console | Ars Technica
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PlayStation 4 vs Xbox One - Difference and Comparison | Diffen
Substance Engine Increases PS4 & Xbox One Texture Generation Speed To 14 MB/s & 12 MB/s Respectively
PS4 Hardware and Software Selling Faster than PS2 and PS3 in Asia
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Naughty Dog Explains PS4's CPU, Memory and More in Detail and How They Can Make it "Run Really Fast"
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PS4 vs. PS5: Everything You Need to Know | Digital Trends
blue nugroho on Twitter: "X1 CPU DX11 vs PS3 vs PS4, PS4 already use almost all CPU % no wonder Killzone and Sucker Puch said PS4 CPU=decent http://t.co/qHQfprOoae" / Twitter
PS4 vs. PS5: Everything You Need to Know | Digital Trends
Sony PS4 vs PS3 | Trusted Reviews
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PS5 may only enhance PS4 games, legacy PS1, PS2 and PS3 games unlikely | TweakTown
