Processor (CPU)
CPU Name
11th Gen Intel® Core™ i9-11900KF @ 3.50GHz
Threading
1 CPU - 8 Core - 16 Threads
Frequency
853.13 MHz (8 * 106.64 MHz) - Uncore: 853.1 MHz
Multiplier
Current: 8 / Min: 8 / Max: 53
Architecture
Rocket Lake / Stepping: B0 / Technology: 14 nm
CPUID / Ext.
6.7.1 / 6.A7
IA Extensions
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES, AVX, AVX2, AVX512F, FMA3, SHA
Caches
L1D : 48 KB / L2 : 512 KB / L3 : 16384 KB
Caches Assoc.
L1D : 12-way / L2 : 8-way / L3 : 16-way
Microcode
Rev. 0x24
TDP / Vcore
125 Watts / 0.765 Volts
Type
Engineering Sample
Cores Frequencies
#00: 853.1 MHz  #01: 853.1 MHz  #02: 853.1 MHz  #03: 853.1 MHz 
#04: 853.1 MHz  #05: 853.1 MHz  #06: 853.1 MHz  #07: 853.1 MHz 
Motherboard
Model
Asus ROG MAXIMUS XIII APEX
Socket
Socket 1200 LGA
North Bridge
Intel Rocket Lake rev 01
South Bridge
Intel Z590 rev 10
BIOS
American Megatrends Inc. 0015 (01/26/2021)
Memory (RAM)
Total Size
600 MB
Type
Single Channel (64 bit) DDR4-SDRAM
Frequency
3554.9 MHz (DDR4-7110) - Ratio 1:25
Timings
31-63-63-63-2 (tCAS-tRCD-tRP-tRAS-tCR)
Graphic Card (GPU)
Miscellaneous
Windows Version
Microsoft Windows XP Professional
CPU-Z Version
1.94.9 (32 bit)