Processor (CPU)
CPU Name
AMD A8-4555M APU with Radeon™ HD Graphics
Threading
1 CPU - 4 Core - 4 Threads
Frequency
1816.33 MHz (18 * 100.91 MHz) - Uncore: 1009.1 MHz
Multiplier
Current: 18 / Min: 11 / Max: 24
Architecture
Trinity / Stepping: TN-A1 / Technology: 32 nm
CPUID / Ext.
F.0.1 / 15.10
IA Extensions
MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, x86-64, AMD-V, AES, AVX, XOP, FMA3, FMA4
Caches
L1D : 16 KB / L2 : 2048 KB
Caches Assoc.
L1D : 4-way / L2 : 16-way
TDP / Vcore
18.78 Watts / 0.937 Volts
Temperature
101.1 °C / 214 °F
Type
Retail (Stock Frequency : 1600 MHz)
Cores Frequencies
#00: 1816.3 MHz  #01: 1816.3 MHz  #02: 1816.3 MHz  #03: 1816.3 MHz 
Motherboard
Model
LENOVO Lenovo IdeaPad S405
Socket
Socket FP2 (827)
North Bridge
AMD K15 IMC rev 00
South Bridge
AMD 08 FCH rev 2.4
BIOS
LENOVO 6ECN96WW(V8.06) (09/11/2013)
Memory (RAM)
Total Size
4096 MB
Type
Single Channel (64 bit) DDR3-SDRAM
Frequency
672.7 MHz (DDR3-1346) - Ratio 3:20
Timings
9-9-10-24-33 (tCAS-tRCD-tRP-tRAS-tRC)
Slot #1 Module
Hyundai Electronics 4096 MB (DDR3-1600) - P/N: HMT351S6CFR8C-PB
Graphic Card (GPU)
GPU #1 Type
AMD Radeon HD 7600G + 6400M Dual Graphics @ 423 MHz
GPU #1 Brand
Lenovo
GPU #1 VRAM
512 MB @ 667 MHz
GPU #2 Type
AMD Radeon HD 6400M Series @ 750 MHz
GPU #2 Brand
Lenovo
GPU #2 VRAM
1024 MB @ 900 MHz
Storage (HDD/SSD)
Model #1
HGST HTS 545050A7E380
Capacity #1
500 GB
Miscellaneous
Windows Version
Microsoft Windows 7 (6.1) Ultimate Edition 64-bit
CPU-Z Version
1.80.1 (64 bit)