Difference Between 8086 And Pentium
The “x86” name comes from the original 16-bit Intel processors that used the x86instruction set, the 8086. Future generations that shared the same instruction set also shared the same suffix, like the 80386. This kept on until the Pentium chips, which broke the naming convention, but we still use “x86” to refer to these kinds of chips. Intel 8086 uses 20 address lines and 16 data- lines. It can directly address up to 2 20 = 1 Mbyte of memory. It consists of a powerful instruction set, which provides operation like division and multiplication very quickly. 8086 is designed to operate in two modes, i.e., Minimum and Maximum mode. Difference between 8085 and 8086 Microprocessor.
Key Difference Between 8085 and 8086 Microprocessor. The 8085 and 8086 are both different versions of microprocessors produced by Intel in the ’70s. They are the most common available microprocessors. In this article, we are going to discuss the differences between 8085 and 8086 microprocessor. Sep 03, 2012 THE 80486 MICROPROCESSOR 80486 is the next in Intel’s upward compatible 80x86 architecture. Only few differences between the 80486 and 80386, but these differences created a significant performance improvement. 32 bit microprocessor and same register set as 80386. Few additional instructions were added to its instruction set.
Here are the most important similarities and differences between the Pentium 4 and the Celeron chips coming out today:
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- Core - The Celeron chip is based on a Pentium 4 core.
- Cache - Celeron chips have less cache memory than Pentium 4 chips do. A Celeron might have 128 kilobytes of L2 cache, while a Pentium 4 can have four times that. The amount of L2 cache memory can have a big effect on performance.
- Clock speed - Intel manufactures the Pentium 4 chips to run at a higher clock speed than Celeron chips. The fastest Pentium 4 might be 60 percent faster than the fastest Celeron.
- Bus speed - There are differences in the maximum bus speeds that the processors allow. Pentium 4s tend to be about 30 percent faster than Celerons.
Differences Between 8085 And 8086 Microprocessor - GeeksforGeeks
When you sort all this out and compare the two chips side by side, it turns out that a Celeron and a Pentium 4 chip running at the same speed are different beasts. The smaller L2 cache size and slower bus speeds can mean serious performance differences depending on what you want to do with your computer. If all you do is check e-mail and browse the Web, the Celeron is fine, and the price difference can save you a lot of money. If you want the fastest machine you can buy, then you need to go with the Pentium 4 to get the highest clock speeds and the fastest system bus.See the next page for more CPU and processing information.
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Though the architecture and instruction set of both 8086 and 8088 processors are same, still there are differences between them.
Following is the table listing the differences between the 2 microprocessors:
Difference Between 8086 And Pentium Microprocessor
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| S. No. | 8086 microprocessor | 8088 microprocessor |
|---|---|---|
| 1 | The data bus is of 16 bits. | The data bus is of 8 bits. |
| 2 | It has 3 available clock speeds (5 MHz, 8 MHz (8086-2) and 10 MHz (8086-1)). | It has 3 available clock speeds (5 MHz, 8 MHz) |
| 3 | The memory capacity is 512 kB. | The memory capacity is implemented as a single 1 MX 8 memory banks. |
| 4 | It has memory control pin (M/IO) signal. | It has complemented memory control pin (IO/M) signal of 8086. |
| 5 | It has Bank High Enable (BHE) signal. | It has Status Signal (SSO). |
| 6 | It can read or write either 8-bit or 16-bit word at the same time. | It can read only 8-bit word at the same time. |
| 7 | Input/Output voltage level is measured at 2.5 mA. | Input/Output voltage level is measured at 2.0 mA |
| 8 | It has 6 byte instruction queue. | It has 4 byte instruction queue as it can fetch only 1 byte at a time. |
| 9 | It draws a maximum supply current of 360 mA. | It draws a maximum supply current of 340 mA. |
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Difference Between Pentium And Centrino | Difference Between
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