Processor (CPU)
CPU Name
Intel® Core™ Ultra 7 255HX
Threading
1 CPU / 8P + 12E Cores / 20 Threads
Frequency
4389.18 MHz (44 * 99.75 MHz) - Uncore: 3790.7 MHz
Multiplier
Current: 44 / Min: 4 / Max: 52
Architecture
Arrow Lake / Stepping: B0 / Technology: 3 nm
CPUID / Ext.
6.6.2 / 6.C6
IA Extensions
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, AES, AVX, AVX2, FMA3, SHA
L1 Data Cache
8 x 48 KB (12-way, 64-byte line) + 12 x 32 KB (8-way, 64-byte line)
L1 Inst. Cache
8 x 64 KB (16-way, 64-byte line) + 12 x 64 KB (8-way, 64-byte line)
L2 Cache
8 x 3 MB (12-way, 64-byte line) + 3 x 4 MB (16-way, 64-byte line)
L3 Cache
30 MB (10-way, 64-byte line)
Microcode
Rev. 0x117
TDP / Vcore
55 Watts / 1.043 Volts
Temperature
90 °C / 194 °F
Type
Retail
P-Cores Freq.
P00: 4389.18 MHz  P01: 4389.18 MHz  P06: 4688.44 MHz  P07: 4688.44 MHz 
P08: 4688.44 MHz  P09: 4688.44 MHz  P18: 4089.91 MHz  P19: 4189.67 MHz 
E-Cores Freq.
E02: 4289.42 MHz  E03: 3990.16 MHz  E04: 4389.18 MHz  E05: 4389.18 MHz 
E10: 4289.42 MHz  E11: 4189.67 MHz  E12: 4389.18 MHz  E13: 4389.18 MHz 
E14: 4289.42 MHz  E15: 4289.42 MHz  E16: 4089.91 MHz  E17: 4289.42 MHz 
Motherboard
Model
MSI MS-15P4
Socket
Socket 1851 LGA
North Bridge
Intel Arrow Lake rev 01
South Bridge
Intel HM870 rev 10
BIOS
American Megatrends International LLC. E15P4IMS.109 (09/23/2025)
Memory (RAM)
Total Size
16384 MB
Type
Quad Channel (128 bit) DDR5-SDRAM
Frequency
2394.2 MHz (DDR5-4788) - Ratio 3:72
Timings
40-39-39-77-2 (tCAS-tRCD-tRP-tRAS-tCR)
Slot #1 Module
Kingston 8192 MB (DDR5-5600) - P/N: MSI56S46BS6MD-8KM
Slot #2 Module
Kingston 8192 MB (DDR5-5600) - P/N: MSI56S46BS6MD-8KM
Graphic Card (GPU)
GPU Type
NVIDIA GeForce RTX 5070 Laptop GPU @ 1425 MHz
GPU Brand
Micro-Star International Co. Lt
GPU VRAM
8151 MB @ 12001 MHz (Hynix)
Storage (HDD/SSD)
Model #1 Name
Western Digital WD PC SN5000S SDEPNSJ-512G-1032 (FW: 34430000)
Model #1 Capacity
476.9 GiB (~510 GB)
Model #1 Type
Fixed, SSD - Bus: NVMe (17)
Miscellaneous
Windows Version
Microsoft Windows 11 Home (x64)
CPU-Z Version
2.19.0 (64 bit)