What do you need to switch from an AMD processor to Intel?
- Thread starter ckkl97
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jaguarskx
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- Apr 19, 2006
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If your PSU can handle an A8 APU, then you should not have any problems with an Intel CPU. There are basically 2 different socket for Intel CPUs that can currently be purchased. Socket 1155 CPUs are the 2nd and 3rd generation Sandy Bridge / Ivy Bridge CPUs; example i5-2500k / i5-3570k. Socket 1150 is for the current 4th generation Haswell CPUs like the i5-4670k. Obviously the motherboard's socket must match the CPU socket.
If you are strictly using the PC for games, then there is not need to buy an i7 CPU which has HyperThreading (HT). Games do not make use of HT so you might as well drop down to a less expensive i5-4670k. All Intel core i5/i7 "K" model CPUs can be overclocked. AMD decided to follow that naming convention not too long ago. If you want to overclock the CPU you need a "K" model CPU and a motherboard with either the Z77 chipset (socket 1155) or Z87 chipset (socket 1150).
Intel CPUs will accept DDR3 1600, but they can also use faster RAM as well like DDR3-1866 and DDR3-2133. The motherboard must support those speeds and you must overclock in order to use those speeds as well.
If you are strictly using the PC for games, then there is not need to buy an i7 CPU which has HyperThreading (HT). Games do not make use of HT so you might as well drop down to a less expensive i5-4670k. All Intel core i5/i7 "K" model CPUs can be overclocked. AMD decided to follow that naming convention not too long ago. If you want to overclock the CPU you need a "K" model CPU and a motherboard with either the Z77 chipset (socket 1155) or Z87 chipset (socket 1150).
Intel CPUs will accept DDR3 1600, but they can also use faster RAM as well like DDR3-1866 and DDR3-2133. The motherboard must support those speeds and you must overclock in order to use those speeds as well.
jaguarskx
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Which games?
Initially when beta benchmarks for Battlefield 4 multiplayer benchmarks were released, it seemed HT had a pretty decent performance increase in that game, I believe it was about 10% - 12%. However, the retail release of the game (after all the performance tweaks have been done) resulted in only a small increase in performance, probably about 2% or 3% at best and only when using Windows 8.
jaguarskx
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The additional cache is not going to make much difference if you are talking about games.
The Core 2 Quad Q9400 has 6MB of cache, the Core 2 Quad Q9450 has 12MB of cache and both run at the same clockspeed. Benchmarks have should that the extra 6MB of cache comes in handy for video editing and programs like Illustrator, Photoshop and 3D Max. The extra cache provided about an extra 7% - 8% performance increase if I remember correctly.
However, in games the extra did not make any difference whatsoever, both CPUs provided the game performance even though the Q9450 was about $75 more expensive. I am pretty the situation has not changed nowadays.
jaguarskx
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Games do not make too much use of cache as long as there is enough of it.
There will not be any performance in game between a Core i7 and a Xeon based on just the additional cache alone. The cache is more or less used to hold a lot of different results from branch predictions. There are far less such type of branch prediction calculations used in games than compared to programs like video encoding, 3D rendering, digital art and financial / scientific modelling.
There will not be any performance in game between a Core i7 and a Xeon based on just the additional cache alone. The cache is more or less used to hold a lot of different results from branch predictions. There are far less such type of branch prediction calculations used in games than compared to programs like video encoding, 3D rendering, digital art and financial / scientific modelling.
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