Understanding Dual Core Processor Speed

CPU Properties:
CPU Type Mobile DualCore Intel Core Duo T2600, 1333 MHz (13 x 103)
CPU Alias Yonah
CPU Stepping C0
Instruction Set x86, MMX, SSE, SSE2, SSE3
Original Clock 2166 MHz
Min / Max CPU Multiplier 6x / 13x
Engineering Sample No
L1 Code Cache 32 KB per core
L1 Data Cache 32 KB per core
L2 Cache 2 MB (On-Die, ECC, Full-Speed)

Multi CPU:
CPU #1 IntelGenuine Intel(R) CPU T2600 @ 2.16GHz, 2161 MHz
CPU #2 IntelGenuine Intel(R) CPU T2600 @ 2.16GHz, 2161 MHz

CPU Physical Info:
Package Type 479 Ball uFCBGA / 478 Pin uFCPGA
Package Size 3.5 cm x 3.5 cm
Transistors 151.6 million
Process Technology 8M, 65 nm, CMOS, Cu, Low-K Inter-Layer, 2nd Gen Strained Si
Die Size 90 mm2
Core Voltage 0.950 - 1.262 V
I/O Voltage 0.950 - 1.262 V

CPU Manufacturer:
Company Name Intel Corporation
Product Information http://www.intel.com/products/processor

CPU Utilization:
CPU #1 / Core #1 0 %
CPU #1 / Core #2 0 %

Motherboard:
CPU Type Mobile DualCore Intel Core Duo T2600, 1333 MHz (13 x 103)
Motherboard Name Dell Inspiron 6400/E1505
Motherboard Chipset Mobile Intel Calistoga-GM i945GM
System Memory 1526 MB (DDR2-533 DDR2 SDRAM)
DIMM1: G Skill 512 MB DDR2-533 DDR2 SDRAM (5-4-4-12 @ 266 MHz) (4-4-4-12 @ 266 MHz) (3-3-3-9 @ 200 MHz)
DIMM3: Patriot Memory 1 GB DDR2-533 DDR2 SDRAM (5-4-4-12 @ 266 MHz) (4-4-4-12 @ 266 MHz) (3-3-3-9 @ 200 MHz)
BIOS Type Phoenix (06/13/07)
Display:
Video Adapter Mobile Intel(R) 945 Express Chipset Family (224 MB)
3D Accelerator Intel GMA 950
Monitor Plug and Play Monitor [NoDB]