Processor (CPU)
CPU Name
Intel® Core™ Ultra 7 255HX
Threading
1 CPU / 8P + 12E Cores / 20 Threads
Frequency
4988.85 MHz (50 * 99.78 MHz) - Uncore: 3791.5 MHz
Multiplier
Current: 50 / 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. 0x116
TDP / Vcore
55 Watts / 1.099 Volts
Temperature
105 °C / 221 °F
Type
Retail
P-Cores Freq.
P00: 4988.85 MHz  P01: 4988.85 MHz  P06: 4988.85 MHz  P07: 4988.85 MHz 
P08: 4889.07 MHz  P09: 4390.19 MHz  P18: 4889.07 MHz  P19: 4988.85 MHz 
E-Cores Freq.
E02: 4489.96 MHz  E03: 4489.96 MHz  E04: 4489.96 MHz  E05: 4489.96 MHz 
E10: 4190.63 MHz  E11: 4190.63 MHz  E12: 4390.19 MHz  E13: 4390.19 MHz 
E14: 4390.19 MHz  E15: 4190.63 MHz  E16: 4390.19 MHz  E17: 4489.96 MHz 
Motherboard
Model
HP 8D41
Socket
Socket 1851 LGA
North Bridge
Intel Arrow Lake rev 01
South Bridge
Intel IDAE10 rev 10
BIOS
Insyde F.03 (03/04/2025)
Memory (RAM)
Total Size
32768 MB
Type
Quad Channel (128 bit) DDR5-SDRAM
Frequency
1596.4 MHz (DDR5-3192) - Ratio 3:48
Timings
26-26-26-52-2 (tCAS-tRCD-tRP-tRAS-tCR)
Slot #1 Module
SK Hynix 16384 MB (DDR5-5600) - P/N: HMCG78AGBSA095N
Slot #2 Module
SK Hynix 16384 MB (DDR5-5600) - P/N: HMCG78AGBSA095N
Graphic Card (GPU)
GPU #1 Type
NVIDIA GeForce RTX 5080 Laptop GPU (GB203) @ 1500 MHz
GPU #1 Brand
Hewlett-Packard
GPU #1 VRAM
16303 MB @ 14001 MHz
GPU #2 Type
Intel(R) Graphics (Arrow Lake) @ 1850 MHz
GPU #2 Brand
Hewlett-Packard
Storage (HDD/SSD)
Model #1 Name
SAMSUNG MZVL21T0HCLR-00BH1 (FW: HPS4NGXH)
Model #1 Capacity
953.9 GiB (~1020 GB)
Model #1 Type
Fixed, SSD - Bus: NVMe (17)
Miscellaneous
Windows Version
Microsoft Windows 11 Home China (x64)
CPU-Z Version
2.14.0 (64 bit)