Processor (CPU)
CPU Name
AMD Athlon™ II X4 645 Processor
Threading
1 CPU - 4 Core - 4 Threads
Frequency
4556.26 MHz (15.5 * 293.95 MHz) - Uncore: 2939.5 MHz
Multiplier
Current: 15.5 / Min: 4 / Max: 15.5
Architecture
Propus / Stepping: BL-C3 / Technology: 45 nm
CPUID / Ext.
F.5.3 / 10.5
IA Extensions
MMX(+), 3DNow!(+), SSE, SSE2, SSE3, SSE4A, x86-64, AMD-V
Caches
L1D : 64 KB / L2 : 512 KB
Caches Assoc.
L1D : 2-way / L2 : 16-way
Microcode
Rev. 0x10000C8
TDP / Vcore
95 Watts / 1.375 Volts
Temperature
1.9 °C / 35 °F
Type
Retail (Stock Frequency : 3100 MHz)
Cores Frequencies
#00: 4556.26 MHz  #01: 4556.26 MHz  #02: 4556.26 MHz  #03: 4556.26 MHz 
Motherboard
Model
Asus Crosshair IV Formula
Socket
Socket AM3 (938)
North Bridge
AMD 890FX rev 02
South Bridge
AMD SB850 rev 40
BIOS
American Megatrends Inc. 2101 (09/14/2012)
Memory (RAM)
Total Size
8192 MB
Type
Dual Channel (128 bit) DDR3-SDRAM
Frequency
783.9 MHz (DDR3-1568) - Ratio 3:8
Timings
9-9-9-24-26-1 (tCAS-tRCD-tRP-tRAS-tRC-tCR)
Graphic Card (GPU)
Storage (HDD/SSD)
Model #1 Name
Samsung SSD 860 EVO 250GB (FW: RVT04B6Q)
Model #1 Capacity
232.9 GiB (~250 GB)
Model #1 Type
Fixed, SSD - Bus: SATA (11)
Miscellaneous
Windows Version
Microsoft Windows 7 (6.1) Ultimate Edition 64-bit
CPU-Z Version
1.94.0 (64 bit)