[Comparison] Intel Core i7-1280P vs Intel Core i7-1255U – the results speak for themselves

The new Alder Lake P-series is an amazing new addition to Intel’s CPU family, with its top SKU: the Core i7-1280P managing to put a lot of chips in their place, taking the #4 spot in our CPU Ranking. It has battled and won against nearly all of AMD’s opposition.

The 28W TDP also puts it in a unique place, in terms of cooling. Then we have the old school ULV chips, which today will be represented by the Core i7-1255U. With only 15W of power, the high core count will be essential for good performance.

Today we are comparing the Core i7-1280P against the Core i7-1255U.

You can take a look at our Top Laptop CPU Ranking, where we showcase the best and the newest laptop processors.

You can find more information about both CPUs here: Intel Core i7-1280P / Core i7-1255U

Specs table

Intel Core i7-1280P Intel Core i7-1255U
Architecture Alder Lake-P Alder Lake-U
Cores / Threads 14/20 10/12
Clock Speeds – Base/Boost 1.30 – 4.80GHz 1.20 – 4.70GHz
Cache 24MB 12MB
Lithography 10nm 10nm
TDP 28W 15W
Memory type

DDR5-4800, LPDDR5-5200, DDR4-3200, LPDDR4x-4267

DDR5-4800, LPDDR5-5200, DDR4-3200, LPDDR4x-4267
Integrated GPU Intel Iris Xe Graphics G7 (96EU) Intel Iris Xe Graphics G7 (96EU)

CPU benchmarks

The P-series chip scores 60% higher in 3D Rendering, while also having  1 second lead in Photoshop.

Results are from the Cinebench 20 CPU test (the higher the score, the better)

Results are from our Photoshop benchmark test (the lower the score, the better)


Conclusion

With extra TDP headroom and an increase in the core count, thread count, and cache, the Core i7-1280P is a clear favorite against its 15W relative. The performance that it manages to put out is phenomenal, being able to sustain heavy workloads without a problem. Props should also be given to the laptop that we used for testing, as the Prestige 15 from MSI gives the chip the proper cooling capacity that allows it to shine.

All laptops with the Intel Core i7-1280P:


All laptops with the Intel Core i7-1255U:

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