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Intel Core i7-14650HX vs Intel Core Ultra 7 251HX: Comparison
Core i7-14650HX vs Core Ultra 7 251HX total cores compared
These two are close on paper, and total cores is the only measure that separates them at all: Core i7-14650HX 16 against Core Ultra 7 251HX 18. They differ on e-core base clock too, 1.6 GHz on the Core i7-14650HX versus 2.5 GHz on the Core Ultra 7 251HX. They differ on socket too, FCBGA1964 on the Core i7-14650HX versus FCBGA2114 on the Core Ultra 7 251HX.
Who each one is for
The Core i7-14650HX 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. The Core Ultra 7 251HX is the one to take for gaming laptops with a dedicated graphics card and streaming, photo editing and moderate video work, though it is not the pick for thin and light laptops where battery life comes first and copilot+ PC AI features, which need a 40+ TOPS NPU. It also earns its place with buyers who want HX-class speed without paying for a Core Ultra 9. It is the wrong buy for hours of heavy rendering, where chips with more performance cores finish sooner. Our rating of the Core i7-14650HX (8.6/10): the Intel Core i7-14650HX brings desktop-class core counts to a mobile chassis, a strong pick for high-end gaming and creator laptops.
What Core i7-14650HX and Core Ultra 7 251HX have in common
Where they agree, they agree completely, tdp, l3 cache, integrated graphics, form factor and market segment included, so the decision does not turn on any of those. They match on 5 further specifications as well.
Do the Core i7-14650HX and Core Ultra 7 251HX differ on efficiency cores?
Yes. Efficiency Cores reads 8 on the Core i7-14650HX versus 12 on the Core Ultra 7 251HX.
Is the Base Power the same on the Core i7-14650HX and Core Ultra 7 251HX?
It is. Both are listed at 55 W, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- Intel Core i7-14650HX
- Laptop
- Intel Core Ultra 7 251HX
- Laptop
Codename
- Intel Core i7-14650HX
- Raptor Lake
- Intel Core Ultra 7 251HX
- Arrow Lake
Release Year
- Intel Core i7-14650HX
- 2024
- Intel Core Ultra 7 251HX
- 2026
TDP
- Intel Core i7-14650HX
- 55 W
- Intel Core Ultra 7 251HX
- 55 W
iGPU
- Intel Core i7-14650HX
- Intel UHD Graphics for 14th Gen Intel Processors
- Intel Core Ultra 7 251HX
- Intel Graphics
Market Segment
- Intel Core i7-14650HX
- Laptop
- Intel Core Ultra 7 251HX
- Laptop
Microarchitecture
- Intel Core i7-14650HX
- Raptor Lake Refresh
- Intel Core Ultra 7 251HX
- Arrow Lake
Socket
- Intel Core i7-14650HX
- FCBGA1964
- Intel Core Ultra 7 251HX
- FCBGA2114
Process Node
- Intel Core i7-14650HX
- 7 nm
- Intel Core Ultra 7 251HX
- 3 nm
Total Cores
- Intel Core i7-14650HX
- 16
- Intel Core Ultra 7 251HX
- 18Best
Performance Cores
- Intel Core i7-14650HX
- 8Best
- Intel Core Ultra 7 251HX
- 6
Efficiency Cores
- Intel Core i7-14650HX
- 8
- Intel Core Ultra 7 251HX
- 12Best
Total Threads
- Intel Core i7-14650HX
- 24Best
- Intel Core Ultra 7 251HX
- 18
SMT Enabled
- Intel Core i7-14650HX
- Yes
- Intel Core Ultra 7 251HX
- No
P-Core Base Clock
- Intel Core i7-14650HX
- 2.2 GHz
- Intel Core Ultra 7 251HX
- 2.9 GHz
P-Core Boost Clock
- Intel Core i7-14650HX
- 5.2 GHz
- Intel Core Ultra 7 251HX
- 5.1 GHz
E-Core Base Clock
- Intel Core i7-14650HX
- 1.6 GHz
- Intel Core Ultra 7 251HX
- 2.5 GHz
E-Core Boost Clock
- Intel Core i7-14650HX
- 3.7 GHz
- Intel Core Ultra 7 251HX
- 4.5 GHz
L3 Cache
- Intel Core i7-14650HX
- 30 MB
- Intel Core Ultra 7 251HX
- 30 MB
Base Power
- Intel Core i7-14650HX
- 55 W
- Intel Core Ultra 7 251HX
- 55 W
Max Turbo Power
- Intel Core i7-14650HX
- 157 W
- Intel Core Ultra 7 251HX
- 160 W
Max Operating Temp
- Intel Core i7-14650HX
- 100 C
- Intel Core Ultra 7 251HX
- 105 C
Memory Type
- Intel Core i7-14650HX
- DDR5 or DDR4
- Intel Core Ultra 7 251HX
- DDR5 up to 6400 MT/s
Max Memory Speed
- Intel Core i7-14650HX
- 5600 MT/s
- Intel Core Ultra 7 251HX
- 6400 MT/sBest
Memory Channels
- Intel Core i7-14650HX
- 2
- Intel Core Ultra 7 251HX
- 2
Max Memory Capacity
- Intel Core i7-14650HX
- 192 GB
- Intel Core Ultra 7 251HX
- 256 GBBest
ECC Support
- Intel Core i7-14650HX
- No
- Intel Core Ultra 7 251HX
- No
Integrated Graphics
- Intel Core i7-14650HX
- Yes
- Intel Core Ultra 7 251HX
- Yes
iGPU Model
- Intel Core i7-14650HX
- Intel UHD Graphics for 14th Gen Intel Processors
- Intel Core Ultra 7 251HX
- Intel Graphics
iGPU Compute Units
- Intel Core i7-14650HX
- 16
- Intel Core Ultra 7 251HX
- 3
Copilot Plus Certified
- Intel Core i7-14650HX
- No
- Intel Core Ultra 7 251HX
- No
PCIe Generation
- Intel Core i7-14650HX
- PCIe 5.0
- Intel Core Ultra 7 251HX
- PCIe 5.0 and 4.0
PCIe Lanes
- Intel Core i7-14650HX
- 20-17%
- Intel Core Ultra 7 251HX
- 24
Retail Availability
- Intel Core i7-14650HX
- Soldered Only
- Intel Core Ultra 7 251HX
- Soldered Only
Which one should you pick?
Choose 14650HX if you want the higher L3 cache (30 MB vs 30 MB) and the higher memory channels (2 vs 2).
Choose 251HX if you want the higher PCIe lanes (24 vs 20).
Verdict
Intel Core i7-14650HX
8.6 / 10 Expert Rating
The Intel Core i7-14650HX brings desktop-class core counts to a mobile chassis, a strong pick for high-end gaming and creator laptops.