GAMING LAPTOP CPU i7-7700HQ vs i7-7820HK
- Thread starter vaynard
- Start date
Solution
Dragos Manea
Splendid
- Mar 30, 2015
- 2,687
- 150
- 22,790
Well it should make a difference, 7820hk has 8mb of cache compared to 6mb of cache for 7700hq, it wont be a major influence but it is in a small margin.
photonboy
Titan
- Jun 20, 2006
- 21,567
- 13
- 85,015
The difference would be insignificant.
First of all, most games would probably be bottlenecked by the GPU. Also, I'm not sure how much the extra cache matters for games. It probably matters a lot more for productivity.
A larger cache can actually REDUCE performance sometimes.
A cache gets populated with code, and the CPU will check the cache first. If the code is what it needs then it is called a "cache hit", but if not it is a "cache miss" and then it goes to system memory (i.e. DDR4 stick).
The larger the cache the better it does if the HITS are high enough, but the worse it does if the hits are NOT high enough.
Productivity and server solutions tend to need the full cache. I'm fairly certain games rarely do. I could be wrong, but either way I doubt you could even run a benchmark that showed a difference let alone notice one.
*GSYNC however is a huge deal if that is an option (if unaware, the screen is then told when to update by the GPU. basically smoother gaming). To use this well you should learn how to use it (especially setting an FPS cap, for example use NVInspector to cap a game to 55FPS, VSYNC OFF if refresh of monitor is 60Hz.. that prevents the game from hitting 60FPS and reverting to VSYNC ON (added lag) or VSYNC OFF (screen tear) depending on the default option.
First of all, most games would probably be bottlenecked by the GPU. Also, I'm not sure how much the extra cache matters for games. It probably matters a lot more for productivity.
A larger cache can actually REDUCE performance sometimes.
A cache gets populated with code, and the CPU will check the cache first. If the code is what it needs then it is called a "cache hit", but if not it is a "cache miss" and then it goes to system memory (i.e. DDR4 stick).
The larger the cache the better it does if the HITS are high enough, but the worse it does if the hits are NOT high enough.
Productivity and server solutions tend to need the full cache. I'm fairly certain games rarely do. I could be wrong, but either way I doubt you could even run a benchmark that showed a difference let alone notice one.
*GSYNC however is a huge deal if that is an option (if unaware, the screen is then told when to update by the GPU. basically smoother gaming). To use this well you should learn how to use it (especially setting an FPS cap, for example use NVInspector to cap a game to 55FPS, VSYNC OFF if refresh of monitor is 60Hz.. that prevents the game from hitting 60FPS and reverting to VSYNC ON (added lag) or VSYNC OFF (screen tear) depending on the default option.
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