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12th Gen Intel Core i7-1255U vs 13th Gen Intel Core i5-1335U (alien.top)

submitted 1 year ago by [email protected] to c/[email protected]

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Which of these two processors are better all around?

12th Gen Intel® Core™ i7-1255U (12 MB cache, 10 cores, 12 threads, up to 4.70 GHz Turbo)

13th Gen Intel® Core™ i5-1335U (12 MB cache, 10 cores, 12 threads, up to 4.60 GHz Turbo)

I did some research and found when the two are compared, the 13th gen i5 scores higher. When one comparable processor is one generation higher than the other, do the i5 or i7 labels (for example) not compare as well as if they're from the same generation? Is it just entirely about the specs of the processor and that's it? Would a 13th gen i3 be better than an i7 model released 10 years ago? Is generation more important than the i3/5/7/9 label? Trying to better gauge how this works.

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[–] [email protected] 1 points 1 year ago

Many of the 13th gen chips are rebadged 12th gen chips. As you probably have noticed, the i5-1335U is basically the same as the i7-1255U. These chips are nearly identical, the i7 can clock slightly faster, and has a slightly better iGPU, making it an all around better CPU, though the difference is negligible outside of benchmarks.

By the way, comparing laptop CPU's benchmarks are tough since many laptops will thermally throttle and therefore are limited by their cooler. On top of that, these CPU's also have a programmable TDP and it's possible that the CPU has been limited. All other things equal, the i7 here will be slightly faster, but it's possible if the laptop with the i5 has a better cooler or a higher power limit, it could actually be significantly faster than the i7.