Laptop
Intel Core Ultra 7 251HX
Multicore performance
45,393
Single-core performance
4,275
Estimated price
Not listed
Processor specifications
Normalized fields from the source detail page.
- Class
- Laptop
- Socket
- FCBGA2114
- Base clock
- 2.9 GHz
- Turbo clock
- 5.1 GHz
- Cores
- 18
- Threads
- 18
- Typical TDP
- 55 W
- Release / first seen
- Q2 2026
Cache per CPU package
Source values are kept verbatim to preserve package multipliers.
- L1 Instruction Cache
- 6 x 64 KB
- L1 Data Cache
- 6 x 48 KB
- L2 Cache
- 6 x 3072 KB
- L3 Cache
- 30 MB
- Eff. L1 Instruction Cache
- 12 x 64 KB
- Eff. L1 Data Cache
- 12 x 32 KB
- Eff. L2 Cache
- 3 x 4096 KB
Additional source specifications
Variant-specific fields are stored alongside the normalized schema.
- Description
- Intel Graphics, Intel AI Boost
- Total Cores
- 18 Cores, 18 Threads
- Performance Cores
- 6 Cores, 6 Threads, 2.9 GHz Base, 5.1 GHz Turbo
- Efficient Cores
- 12 Cores, 12 Threads, 2.5 GHz Base, 4.5 GHz Turbo
- TDP Down
- 45 W
- TDP Up
- 160 W
- Memory Support
- Max. Memory Size: 256 GB (Up to DDR5 6400 MT/s)