Difference Between Analog and Digital Phones (With Table)

Telephones have been a revolutionizing factor for the growth of humankind. With the help of these connecting devices, we can interexchange a vast range of information. During its developing stage, these devices went through a series of transformations. That is from analog to digital technology of transmission.

Analog vs Digital Phones

The main difference between Analog and Digital Phones is that Analog use Analog types of technology to function. On the other hand, Digital Phones make use of a digital form of technology to operate. The former uses electric pulses for transmission while the latter implements encryption.

Analog phones were critical in the early age of telecommunication. They were the first set of phones to be used extensively. Their transmission medium resulted in a bad audacity of sound but a distinct quality. They were soon replaced by a new range of digital phones.

Digital phones were a typical revolution in the field of telecommunication. They gave individuals the freedom to communicate digitally and in a new fashion. These phones also carried a decent audacity of sound with inferior quality. The quality was bad mostly due to the medium of copper wires.

Comparison Table Between Analog and Digital Phones

Parameters of comparisonAnalog PhonesDigital Phones
DefinitionAnalog phones are the vintage type of phones used earlier for telecommunicationDigital phones came after analog phones to assist telecommunication
Medium for transmitting signalsAnalog phones implemented copper wires for the transmission of signalsDigital phones implemented data units in the form of binary for transmission of signals
TechnologyAnalog type of technology was used in these phonesDigital technology was used in these types of phones
Memory allocationThese phones consumed more memory in transferring data from one end to anotherThese phones required less memory for the transmission of data
QualityThe quality of sound is clear but the audacity is badThe audacity of sound is clear but the quality is bad

What are Analog Phones?

Analog phones refer to your vintage telephones or the phones that operate on electrical pulses. These types of electrical pulses are analogous to the sound perceived. This means that the data on these phones undergo a conversion process. From Mp3 or Mp4 format, it is converted into electrical pulses.

The interexchange of this data from Analog phones takes place in two steps. First, the sender sends the unique data which is transferred in the form of waves after converting it into pulses. Secondly, the data gets back to the other end in the original form. This transmission of data takes place in the medium of copper wires.

The sound is not heard clearly in these types of phones. However, Analog phones do provide a distinct quality in their sound. Another con is that the signal amounts to greater storage, which reduces the amount of net data transferred. Thereby constituting a low memory space in the phone.

Analog phones are also considered to be an outdated form of network technology. This means that they are no longer in fashion and very few Individuals still operate them. However, there was a time when these were the only source of connection with the world.

What are Digital Phones?

The phones that operate on digital technology are termed Digital phones. Contrary to their predecessor, the data in these phones are converted into the binary form of digits. After the conversion process is completed, the transfer of data begins through various channels.

The transmission process of data is completed in two steps. Firstly the data of Digital Phones is converted into decrypted units and transferred digitally through various channels. Secondly, when the data is received it is encrypted at the other end and operated by the user.

The transmission process bears the loss of data due to the digital interexchange. This results in bad sound quality in these phones. However, the sound is clear and audible in these types of phones. This is why digital phones are preferred for a cross-channel form of communication.

These types of phones are quite popular and in use these days. Individuals prefer them due to their better sound audacity and their modern technology. Moreover, with the advancement in the tech sector, these phones are undergoing several updates on a day-to-day basis.

Main Differences Between Analog and Digital Phones

  1. Analog phones used old technology of electrical pulses for transmission whereas digital phones use binary forms of technology for data transmission.
  2. Analog phones used the medium of copper wires for sending or receiving data whereas Digital phones require digital mediums for sending or receiving data.
  3. Analog phones have a higher memory requirement while digital phones demand less memory allocation.
  4. Analog phones have a clear sound quality while digital phones have bad sound quality.
  5. Analog phones have inferior sound audacity whereas digital phones have superior sound audacity.


Both Analog and Digital types of phones have greatly impacted the field of telecommunication. These communication devices have helped people to connect globally and nationally. This is why they are considered pioneer machines of network technology. Analog phones also had a forthcoming impact on the industry.

These phones served as the model for developing futuristic phones. Especially the digital phones which used binary forms of technology for transmitting data. Most modern versions of phones owe their existence to these vintage devices.

Analog phones were the sole medium of communicating in the mid-sixties. Which means they had a generational impact that led to the betterment of interpersonal communication. Analog phones also helped to provide significant development in the field of analog technology.

Digital phones were the predecessor of modern telecommunication devices. With these phones, individuals are required less space to transfer larger data. Hence they significantly reduced the memory allocation problem with the earlier version. Plus, paved the pathway for modern tech and its usage by contributing innovative digital inputs. These phones improved the overall framework of digital communication and its various types of implementations.


  1. https://www.researchgate.net/profile/Manoj-Kumar-93/publication/262986464_Evolution_of_Processor_Architecture_in_Mobile_Phones/links/5d5e4ddba6fdcc55e81ef74b/Evolution-of-Processor-Architecture-in-Mobile-Phones.pdf
  2. https://ieeexplore.ieee.org/abstract/document/6170867/