Intel Core Ultra 7 255HX
The Intel Core Ultra 7 255HX is a 20-cores CPU (8 P-cores + 12 E-threads) laptop x86-64 processor built on a 3 nm process, featuring a 2.4 GHz base frequency with up to 5.2 GHz max turbo, 30M L3 Cache (shared) and integrated graphics Intel Arc Graphics (4-Cores). It supports DDR5-6400 memory and PCIe 5.0.

GeekBench 6 Single-Core
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GeekBench 6 Multi-Core
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Cinebench 2024 Single-Core
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Cinebench 2024 Multi-Core
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Cinebench R23 Single-Core
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Cinebench R23 Multi-Core
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iGPU
Score | 1.9 TFLOPS |
Essentials
Codename | Arrow Lake |
Platform | Laptop |
Lithography | 3 nm |
Launch Date | 2025 Quarter 1 |
CPU cores and architecture
Performance Cores | 8 |
Performance Threads | 8 |
Performance Base frequency | 2.4 GHz |
Performance Boost frequency | 5.2 GHz |
Efficient Cores | 12 |
Efficient Threads | 12 |
Efficient Base frequency | 1.8 GHz |
Efficient Boost frequency | 4.5 GHz |
L2 Cache | 2M |
L3 Cache | 30M |
Overclocking | Yes |
Memory Specifications
Memory Types | DDR5-6400 |
Max Memory Size | 192 GB |
Memory Channels | 2 |
ECC Support | Yes |
GPU Specifications
GPU Name | Intel Arc Graphics (4-Cores) |
Base Frequency | 300 MHz |
Max Frequency | 1850 MHz |
Package
Socket | BGA-2114 |
Max. Operating Temperature | 105 |
PCI Express
PCI Express Version | 5.0 |
PCI Express Lanes | 24 |
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