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Intel Core i9-14900HX vs Intel Core Ultra 5 135H: Comparison
Core i9-14900HX vs Core Ultra 5 135H l3 cache compared
The gap that matters here is l3 cache: Core i9-14900HX 36 MB against Core Ultra 5 135H 18 MB, which puts Core i9-14900HX 50% ahead. There is a split on p-core base clock as well, 2.2 GHz on the Core i9-14900HX versus 1.7 GHz on the Core Ultra 5 135H. Tdp is not the same on both, 55 W on the Core i9-14900HX versus 28 W on the Core Ultra 5 135H. Socket is not the same on both, FCBGA1964 on the Core i9-14900HX versus FCBGA2049 on the Core Ultra 5 135H.
Which should you buy, Core i9-14900HX or Core Ultra 5 135H?
The Core i9-14900HX suits high-end gaming laptops and mobile content creation, though it is the wrong buy for thin-and-light laptops and battery-life-focused use. Buy the Core Ultra 5 135H for everyday laptop computing and on-device AI features, though it is not built for gaming laptops and heavy sustained workloads. Our rating of the Core i9-14900HX (8.6/10): the Intel Core i9-14900HX brings desktop-class core counts to a mobile chassis, a strong pick for high-end gaming and creator laptops. Our rating of the Core Ultra 5 135H (8.3/10): the Intel Core Ultra 5 135H is the higher-binned half of Intel's H-series Meteor Lake pair, well suited to premium laptops that want a bit more headroom than the 125H.
Where the two are identical
Everything else lines up. Integrated graphics, form factor, market segment and smt enabled read the same on both, so those are not worth weighing.
Frequently asked questions
Do the Core i9-14900HX and Core Ultra 5 135H differ on total cores?
Yes. Total Cores reads 24 on the Core i9-14900HX versus 14 on the Core Ultra 5 135H.
Specs and benchmarks
Form Factor
- Intel Core i9-14900HX
- Laptop
- Intel Core Ultra 5 135H
- Laptop
Codename
- Intel Core i9-14900HX
- Raptor Lake
- Intel Core Ultra 5 135H
- Meteor Lake
Release Year
- Intel Core i9-14900HX
- 2024
- Intel Core Ultra 5 135H
- 2023
TDP
- Intel Core i9-14900HX
- 55 W
- Intel Core Ultra 5 135H
- 28 W
iGPU
- Intel Core i9-14900HX
- Intel UHD Graphics for 14th Gen Intel Processors
- Intel Core Ultra 5 135H
- Intel Arc graphics
Market Segment
- Intel Core i9-14900HX
- Laptop
- Intel Core Ultra 5 135H
- Laptop
Microarchitecture
- Intel Core i9-14900HX
- Raptor Lake Refresh
- Intel Core Ultra 5 135H
- Meteor Lake
Socket
- Intel Core i9-14900HX
- FCBGA1964
- Intel Core Ultra 5 135H
- FCBGA2049
Process Node
- Intel Core i9-14900HX
- 7 nm
- Intel Core Ultra 5 135H
- 4 nm
Total Cores
- Intel Core i9-14900HX
- 24Best
- Intel Core Ultra 5 135H
- 14
Performance Cores
- Intel Core i9-14900HX
- 8Best
- Intel Core Ultra 5 135H
- 4
Efficiency Cores
- Intel Core i9-14900HX
- 16Best
- Intel Core Ultra 5 135H
- 10
Total Threads
- Intel Core i9-14900HX
- 32Best
- Intel Core Ultra 5 135H
- 18
SMT Enabled
- Intel Core i9-14900HX
- Yes
- Intel Core Ultra 5 135H
- Yes
P-Core Base Clock
- Intel Core i9-14900HX
- 2.2 GHz
- Intel Core Ultra 5 135H
- 1.7 GHz
P-Core Boost Clock
- Intel Core i9-14900HX
- 5.8 GHz
- Intel Core Ultra 5 135H
- 4.6 GHz
L3 Cache
- Intel Core i9-14900HX
- 36 MBBest
- Intel Core Ultra 5 135H
- 18 MB-50%
Base Power
- Intel Core i9-14900HX
- 55 W
- Intel Core Ultra 5 135H
- 28 W
Max Turbo Power
- Intel Core i9-14900HX
- 157 W
- Intel Core Ultra 5 135H
- 115 W
Memory Type
- Intel Core i9-14900HX
- DDR5 or DDR4
- Intel Core Ultra 5 135H
- DDR5, LPDDR5/X
Integrated Graphics
- Intel Core i9-14900HX
- Yes
- Intel Core Ultra 5 135H
- Yes
Which one should you pick?
Choose 14900HX if you want the higher L3 cache (36 MB vs 18 MB).
Choose 135H if you already have it on hand or find it at a lower price.
Verdict
Intel Core i9-14900HX
8.6 / 10 Expert Rating
The Intel Core i9-14900HX brings desktop-class core counts to a mobile chassis, a strong pick for high-end gaming and creator laptops.
Intel Core Ultra 5 135H
8.3 / 10 Expert Rating
The Intel Core Ultra 5 135H is the higher-binned half of Intel's H-series Meteor Lake pair, well suited to premium laptops that want a bit more headroom than the 125H.