Processor (CPU)
CPU Name
Intel® Core™ i5-8257U CPU @ 1.40GHz
Threading
1 CPU - 4 Core - 8 Threads
Frequency
3790.73 MHz (38 * 99.76 MHz) - Uncore: 3491.5 MHz
Multiplier
Current: 38 / Min: 4 / Max: 39
Architecture
Coffee Lake-U/Y / Stepping: U0 / Technology: 14 nm
CPUID / Ext.
6.E.A / 6.8E
IA Extensions
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES, AVX, AVX2, FMA3
Caches
L1D : 32 KB / L2 : 256 KB / L3 : 6144 KB
Caches Assoc.
L1D : 8-way / L2 : 4-way / L3 : 12-way
Microcode
Rev. 0xD6   ► Intel SA-00233 Patched ◄
TDP / Vcore
15 Watts / 1.066 Volts
Temperature
88 °C / 190 °F
Type
Retail (Stock Frequency : 1400 MHz)
Cores Frequencies
#00: 3790.7 MHz  #01: 3691.0 MHz  #02: 3790.7 MHz  #03: 3890.5 MHz 
Motherboard
Model
Apple Inc. Mac-53FDB3D8DB8CA971
Socket
Socket 1528 FCBGA
North Bridge
Intel Coffee Lake-U/Y rev 08
South Bridge
Intel Coffee Lake-U/Y PCH rev 30
BIOS
Apple Inc. 1037.147.4.0.0 (iBridge: 17.16.16610.0.00) (07/12/2020)
Memory (RAM)
Total Size
8192 MB
Type
Dual Channel (128 bit) DDR3-SDRAM
Frequency
1064.4 MHz (DDR3-2128) - Ratio 1:16
Timings
16-20-20-45-1 (tCAS-tRCD-tRP-tRAS-tCR)
Graphic Card (GPU)
GPU Type
Intel(R) Iris(R) Plus Graphics 645
GPU Brand
Apple
Display
Screen #1
Apple Computer Color LCD (APPA03D)
Screen #1 Spec
13.4 inches (34 cm) / 2560 x 1600 pixels @ 0-0 Hz
Miscellaneous
Windows Version
Microsoft Windows 10 (10.0) Professional 64-bit
CPU-Z Version
1.94.0 (64 bit)