Processor (CPU)
CPU Name
AMD Ryzen 7 H 255 w/ Radeon 780M Graphics
Threading
1 CPU - 8 Core - 16 Threads
Frequency
4490.33 MHz (45 * 99.79 MHz)
Multiplier
Current: 45 / Max: 38
Architecture
Hawk Point / Stepping: HPT1-A / Technology: 4 nm
CPUID / Ext.
F.5.2 / 19.75
IA Extensions
MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, x86-64, AES, AVX, AVX2, AVX512, FMA3, SHA
Caches
L1D : 32 KB / L2 : 1024 KB / L3 : 16384 KB
Caches Assoc.
L1D : 8-way / L2 : 8-way / L3 : 16-way
Microcode
Rev. 0xA70520A
TDP / Vcore
54 Watts / 1.119 Volts
Temperature
85.8 °C / 186 °F
Type
Retail
Cores Frequencies
#00: 4490.3 MHz  #01: 4440.4 MHz  #02: 4440.4 MHz  #03: 4440.4 MHz 
#04: 4465.4 MHz  #05: 4465.4 MHz  #06: 4465.4 MHz  #07: 4440.4 MHz 
Motherboard
Model
GMKtec GMKtec
Socket
Socket FP8
North Bridge
AMD Ryzen SOC rev 00
South Bridge
AMD FCH rev 51
BIOS
American Megatrends International LLC. NucBox_K12 1.07 (07/24/2025)
Memory (RAM)
Total Size
32768 MB
Type
Quad Channel (128 bit) DDR5-SDRAM
Frequency
2795 MHz (DDR5-5590) - Ratio 1:28
Timings
46-45-45-90-127 (tCAS-tRCD-tRP-tRAS-tRC)
Slot #1 Module
Lexar 16384 MB (DDR5-5600) - P/N: LD5S16G56C46ST
Slot #2 Module
Lexar 16384 MB (DDR5-5600) - P/N: LD5S16G56C46ST
Graphic Card (GPU)
GPU Type
AMD Radeon 780M Graphics
GPU Brand
Advanced Micro Devices Inc. (AMD
GPU VRAM
8192 MB
Storage (HDD/SSD)
Model #1 Name
Lexar SSD NM6A1 256GB (FW: SN10660)
Model #1 Capacity
238.5 GiB (~260 GB)
Model #1 Type
Fixed, SSD - Bus: NVMe (17)
Model #2 Name
RS512GSSD510 (FW: SN13126)
Model #2 Capacity
476.9 GiB (~510 GB)
Model #2 Type
Fixed, SSD - Bus: NVMe (17)
Model #3 Name
RS512GSSD510 (FW: SN13126)
Model #3 Capacity
476.9 GiB (~510 GB)
Model #3 Type
Fixed, SSD - Bus: NVMe (17)
Display
Screen #1
M27QG5Y14 (TMS1100)
Screen #1 Spec
27.2 inches (69.1 cm) / 2560 x 1440 pixels @ 48-180 Hz
Miscellaneous
Windows Version
Microsoft Windows 11 Professional (x64)
CPU-Z Version
2.17.0 (64 bit)