Litecoin VS Bitcoin

Market Capitalization and Popularity:
$162,999,343,049 for BTC
$10,662,879,376 for LTC

Total Amount of Coins:
MAX 21,000,000 BTC
MAX 84,000,000 LTC

The main difference between bitcoin and litecoin is the maximum number of coins.
Psychologically speaking the litecoin price will be smaller for a single unit.

Transaction Processing Speed
it is around 10 minutes per block for BTC while it is around 2.5 minutes average for LTC

Different Algorithms:
Bitcoin’s SHA-256 vs. Litecoin’s Scrypt
SHA-256 is generally considered to be a more complex algorithm than Scrypt, while at the same time allowing a greater degree of parallel processing.
Scrypt was deliberately designed to be less susceptible to the kinds of custom hardware solutions employed in ASIC-based mining, being accessible for users who also wish to participate in the network as miners. without having ASICS but In recent years, however, companies such as Zeus and Flower Technology have brought Scrypt AISCs to the market, suggesting that Litecoin’s vision of easily accessible mining may become a thing of the past.