Intel
Core Ultra 7 255HX
Core Ultra 7
Overall Rank
(Consumer CPUs only)
(Consumer CPUs only)
#46
of 275
Overall Rank
#62
of 292
Value Rank
#221
of 220
Gaming Rank
#28
of 292
Productivity Rank
#34
of 292
Core Specifications
Cores
20
Threads
20
P-Cores
8
E-Cores
12
Base Clock
2.3 GHz
Boost Clock (Single)
5.2 GHz
Socket
FCBGA2114
Lithography
3nm
Cache
L1 Cache
80 KB per core
L2 Cache
3 MB per core
L3 Cache
30 MB (shared)
Power & Thermal
TDP
55W
Base Power
55W
Max Turbo Power
160W
Memory Support
Memory Types
DDR5
Max Memory
256GB
Memory Channels
2
ECC Support
Yes
Platform & Connectivity
PCIe Version
5.0
PCIe Lanes
24
Integrated GPU
Yes
Integrated GPU Model
Intel Graphics
Closest Competitors by Performance
Core i9-14900HX19,712
Core Ultra 7 265HX18,899
Core Ultra 7 255HX (Selected)18,088
Ryzen 9 7845HX17,948
Ryzen AI 9 HX 37015,503
Quick Stats
Generation
Arrow Lake
Release Date
1/13/2025 - 1 year old
Status
Current
Market Segment
Mobile
Performance Scores
Overall
18088Measured against consumer CPUs only
Efficiency328.9
Use Case Ratings
Gaming9/10
Productivity9/10
Budget Value2/10
Benchmark Scores
Cinebench R23 Single2,020
Cinebench R23 Multi24,000
Geekbench 6 Single2,900
Geekbench 6 Multi17,200
PassMark46,500
Console Comparison
Comparison based on overall performance score calculated from multi-core benchmarks. Console CPUs are optimized for gaming workloads.
Core Ultra 7 255HX
100%100%
PS5 Pro(Gen 9 Pro (2024))
56%56%
Xbox Series X(Gen 9 (2020))
55%55%
PS5(Gen 9 (2020))
52%52%
Notes
HX mobile workstation, BGA. Same 8P+12E as 265HX, 100MHz lower P-boost (5.2 vs 5.3GHz), 300MHz lower P-base (2.3 vs 2.6GHz). MT PassMark estimated pending more submissions.