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Mt7621a is a al core 800Hz, and is Gigabit five port. Mt7620a is a single core 560hz, just a 100MB SOC chip

1. QFN package has lower cost, the same performance as mt7620, and lower overall power consumption

2. Support 256 MB DDR2 Memory

3. The new WiFi mole solves the problem of poor WiFi anti-interference in hardware, which is much better than mt7620

4. The impractical hwnat is eliminated and the hardware encryption acceleration mole is added

5, more SDXC / PCIe support than 7620n

chip is the general name of semiconctor components. It is the carrier of integrated circuit (IC), which is divided by wafer. A silicon chip is a small piece of silicon containing integrated circuits. It is a part of a computer or other electronic equipment

chip; The chipset is chipset. Chip generally refers to the carrier of integrated circuit, and it is also the result of integrated circuit after design, manufacturing, packaging and testing. It is usually an independent whole that can be used immediately

"chip" and "integrated circuit" are often used together. For example, in common discussion topics, integrated circuit design and chip design have the same meaning, and chip instry, integrated circuit instry and IC instry often have the same meaning. In fact, the two words are related and different

integrated circuit entities often exist in the form of chips, because the narrow sense of integrated circuit emphasizes the circuit itself, such as the phase-shift oscillator formed by only five components connected together. When it is still shown on the drawing, we can also call it integrated circuit. When we want to apply this small integrated circuit, Then it must play its role as an independent physical object, or embedded into a larger integrated circuit, relying on the chip; Integrated circuits pay more attention to the design, layout and wiring of circuits, and chips pay more attention to the integration, proction and packaging of circuits

chip

chip also has its unique features. In a broad sense, as long as the semiconctor chip is manufactured by micro machining, it can be called a chip, and there is not necessarily a circuit in it. For example, semiconctor light source chip; Such as mechanical chip, such as MEMS gyroscope; Or biochips like DNA chips. In communication and information technology, when the scope is limited to silicon integrated circuit, the intersection of chip and integrated circuit is in the "circuit on silicon chip"

chipset is a series of interrelated chip combinations, which are interdependent and can play a greater role together, such as processor and north south bridge chipset in computer, RF, baseband and power management chipset in mobile phone

Mt7621 is better than 9558