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Intel Core i7-12800HX vs Intel Core i7-13645HX: Comparison
Core i7-12800HX vs Core i7-13645HX total cores compared
Expect a near tie. The closest thing to a difference is total cores, Core i7-12800HX 16 against Core i7-13645HX 14. There is a split on p-core base clock as well, 2.0 GHz on the Core i7-12800HX versus 2.6 GHz on the Core i7-13645HX. Socket is not the same on both, FCBGA1964 on the Core i7-12800HX versus BGA 1744 on the Core i7-13645HX. There is a split on release year as well, 2022 on the Core i7-12800HX versus 2025 on the Core i7-13645HX. There is a split on igpu as well, Intel UHD Graphics for 12th Gen Intel Processors on the Core i7-12800HX versus Intel UHD Graphics for 14th Gen Intel Processors on the Core i7-13645HX.
Which should you buy, Core i7-12800HX or Core i7-13645HX?
The Core i7-12800HX suits high-end gaming laptops and mobile content creation, though it is not built for thin-and-light laptops and battery-life-focused use. The Core i7-13645HX is the one to take for gaming laptops and mobile workstations, though it is the wrong buy for thin-and-light laptops and battery-life-focused use. Our rating of the Core i7-12800HX (8.6/10): the Intel Core i7-12800HX brings desktop-class core counts to a mobile chassis, a strong pick for high-end gaming and creator laptops. Our rating of the Core i7-13645HX (8.3/10): the Intel Core i7-13645HX brings desktop-class performance to laptops, aimed at gaming and creator workloads.
What Core i7-12800HX and Core i7-13645HX have in common
Everything else lines up. Efficiency cores, tdp, integrated graphics, form factor and market segment read the same on both, so those are not worth weighing. They match on 3 further specifications as well.
Frequently asked questions
Do the Core i7-12800HX and Core i7-13645HX differ on performance cores?
Yes. Performance Cores reads 8 on the Core i7-12800HX versus 6 on the Core i7-13645HX.
Is the SMT Enabled the same on the Core i7-12800HX and Core i7-13645HX?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- Intel Core i7-12800HX
- Laptop
- Intel Core i7-13645HX
- Laptop
Codename
- Intel Core i7-12800HX
- Alder Lake
- Intel Core i7-13645HX
- Raptor Lake
Release Year
- Intel Core i7-12800HX
- 2022
- Intel Core i7-13645HX
- 2025
TDP
- Intel Core i7-12800HX
- 55 W
- Intel Core i7-13645HX
- 55 W
iGPU
- Intel Core i7-12800HX
- Intel UHD Graphics for 12th Gen Intel Processors
- Intel Core i7-13645HX
- Intel UHD Graphics for 14th Gen Intel Processors
Market Segment
- Intel Core i7-12800HX
- Laptop
- Intel Core i7-13645HX
- Laptop
Microarchitecture
- Intel Core i7-12800HX
- Alder Lake
- Intel Core i7-13645HX
- Raptor Lake
Socket
- Intel Core i7-12800HX
- FCBGA1964
- Intel Core i7-13645HX
- BGA 1744
Process Node
- Intel Core i7-12800HX
- 10 nm
- Intel Core i7-13645HX
- 7 nm
Total Cores
- Intel Core i7-12800HX
- 16Best
- Intel Core i7-13645HX
- 14
Performance Cores
- Intel Core i7-12800HX
- 8Best
- Intel Core i7-13645HX
- 6
Efficiency Cores
- Intel Core i7-12800HX
- 8
- Intel Core i7-13645HX
- 8
Total Threads
- Intel Core i7-12800HX
- 24Best
- Intel Core i7-13645HX
- 20
SMT Enabled
- Intel Core i7-12800HX
- Yes
- Intel Core i7-13645HX
- Yes
P-Core Base Clock
- Intel Core i7-12800HX
- 2.0 GHz
- Intel Core i7-13645HX
- 2.6 GHz
P-Core Boost Clock
- Intel Core i7-12800HX
- 4.8 GHz
- Intel Core i7-13645HX
- 4.9 GHz
L3 Cache
- Intel Core i7-12800HX
- 25 MBBest
- Intel Core i7-13645HX
- 24 MB-4%
Base Power
- Intel Core i7-12800HX
- 55 W
- Intel Core i7-13645HX
- 55 W
Max Turbo Power
- Intel Core i7-12800HX
- 157 W
- Intel Core i7-13645HX
- 157 W
Memory Type
- Intel Core i7-12800HX
- DDR5 or DDR4
- Intel Core i7-13645HX
- DDR5, DDR4
Integrated Graphics
- Intel Core i7-12800HX
- Yes
- Intel Core i7-13645HX
- Yes
Which one should you pick?
Choose 12800HX if you want the higher L3 cache (25 MB vs 24 MB).
Choose 13645HX if you already have it on hand or find it at a lower price.
Verdict
Intel Core i7-12800HX
8.6 / 10 Expert Rating
The Intel Core i7-12800HX brings desktop-class core counts to a mobile chassis, a strong pick for high-end gaming and creator laptops.
Intel Core i7-13645HX
8.3 / 10 Expert Rating
The Intel Core i7-13645HX brings desktop-class performance to laptops, aimed at gaming and creator workloads.