A dual core processor for a computer is a central processing unit (CPU) that has two separate cores on the same die, each with its own cache. It essentially is two microprocessors in one. This type of CPU is widely available from many manufacturers. Other types of multi-core processors also have been developed, including quad-core processors with four cores each, hexa-core processors with six, octa-core processors with eight and many-core processors with an even larger number of cores.
In a single-core or traditional processor, the CPU is fed strings of instructions that it must order, execute, then selectively store in its cache for quick retrieval. When data outside the cache is required, it is retrieved through the system bus from random access memory (RAM) or from storage devices. Accessing these slows down performance to the maximum speed that the bus, RAM or storage device will allow, which is far slower than the speed of the CPU.
This situation is compounded when the computer user is multi-tasking. In this case, the processor must switch back and forth between two or more sets of data streams and programs. CPU resources are depleted, and performance suffers.
In a dual core processor, each core handles incoming data strings simultaneously to improve efficiency. Just as two heads are better than one, so are two hands. When one core is executing, the other can be accessing the system bus or executing its own code.
Product Information
- The Intel Core 2 Duo processors are built in several of the world's most advanced, high-volume output manufacturing facilities using Intel's leading silicon process technology. The processor family is based on the revolutionary Intel Core microarchitecture, designed to provide powerful yet energy-efficient performance. With the power of dual cores, or computing engines, the processors can manage numerous tasks faster. They also can operate more smoothly when multiple applications are running, such as writing e-mails while downloading music or videos and conducting a virus scan.
Product Identifiers
Intel Dual Core 2.4 Ghz
- Intel
- HH80557PG0412M
- 0735858199223
- 131639017
Product Key Features
- Core 2 Duo
- Socket T
- None/Processor only
Additional Product Features
- Processor
- Dual-Core
- CORE 2 Duo E4400
- Yes
- Fsb SPEED-800MHz
- 61.4°C
- 2MB
- 2MB
- L2 Caché
- PC
- Thermal Monitoring Technology, Intel 64 Technology, Enhanced Speedstep Technology, Execute Disable Bit Capability
- 2MB
- 1
- 32KB
- 65 NM
- 1X Processor-LGA 775/Socket T Socket
- 2GHz
Processor
- Intel Core i7 3520M (3rd Gen)
- Smart Cache - 4 MB
- 1
- Core i7
- Dual-Core
- 4 threads
- i7-3520M
- 3
- 35 W
- mobile
- 1
- Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, 4G WiMAX Wireless Technology, Intel My WiFi Technology, Intel Anti-Theft Technology, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States, Intel VT-x with Extended Page Tables (EPT)
- 4 MB
- Intel
- 2.9 GHz
- 3.6 GHz
- 22 nm
- 4G WiMAX Wireless Technology, Enhanced SpeedStep technology, Execute Disable Bit capability, Hyper-Threading Technology, Idle States, Intel 64 Technology, Intel AES New Instructions (AES-NI), Intel Advanced Vector Extensions (AVX), Intel Anti-Theft Technology, Intel Fast Memory Access, Intel Flex Memory Access, Intel My WiFi Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel VT-x with Extended Page Tables (EPT), Intel Virtualization Technology, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Thermal Monitoring Technologies
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