Difference Wiki

SRAM vs. DRAM

DRAM is a type of Random-access memory that stores everything from within data using separate capacitor within an incorporated circuit. Dram is a unit found inside a CPU of your computer. Sram is a form of computer data storage and it uses more transistors per bit of memory than Dram. Scram works for cache memory of a computer but Dram works with main memory. Sram is static and a bit faster but Dram is dynamic and bit slower than the former. Sram uses less energy than Dram does. As everything is more in Sram, it is also expensive than Dram. Dram needs to get refreshed following read functioning. Refreshing isn't needed for Sram. Dram is taken as main memory in a computer and is not for long-term storage. Sram is used for L2 and L3 cache in a CPU. Sizes of Dram may range from 1GB to up to 16GB. Sram may only size ranging from 1MB to 16MB.

Key Differences

Sram works faster than Dram
Sram is usually used in cache memory; Dram is used in main stream memory
Sram is static; Dram is dynamic
Number of transistors used in Sram is higher than those used in Dram
Aimie Carlson
Feb 27, 2016
Less power is needed in for Sram; Dram consumes more power
Sram works for L2 and L3 cache in a CPU; Dram is not for long-term storage
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Refreshing is need in Dram; Sram doesn't need refreshing
Janet White
Feb 27, 2016
Sram is expensive; Dram is available at cheap price
Dram may size in GBs; Sram only comes in MBs

Comparison Chart

.

Static random-access memory.
Dynamic random-access memory.

Power Usage

More
Less

Price

Expensive
Cheaper
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Storage

Long term memory can be stored.
Only for short term memory applications.
Aimie Carlson
Feb 27, 2016

Size Range

1-4 and 4-16 GB
1-16 GB
Aimie Carlson
Feb 27, 2016

Usage

Stores each bit in a separate capacitor in an integrated circuit.
uses bi-stable latching circuitry to store each bit.
Janet White
Feb 27, 2016

SRAM and DRAM Definitions

SRAM

Static RAM.

Dram

A unit of weight in the US Customary System equal to 1/16 of an ounce or 27.34 grains (1.77 grams).

Dram

A unit of apothecary weight equal to 1/8 of an ounce or 60 grains (3.89 grams).
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Dram

A small draft
Took a dram of brandy.

Dram

A small amount; a bit
Not a dram of compassion.

Dram

See Table at currency.

Dram

Dynamic RAM.

Dram

(units of measurement) A small unit of weight, variously:

Dram

Alternative form of drachm.

Dram

(pharmacy) drachm.

Dram

(now uncommon) dirhem: a former Turkish unit of weight (variously 1.5–3.5 g).

Dram

(obsolete) drachma: a former Greek unit of weight (about 4.3 g).

Dram

(by extension) Any similarly minute quantity, a small amount of strong alcohol or poison.
A dram of brandy

Dram

A cart formerly used to haul coal in coal mines.

Dram

(obsolete) drachma: a Greek silver coin weighing one drachma; other similar coins.

Dram

The currency of Armenia, divided into 100 luma.

Dram

To drink drams.

Dram

To ply with drams of drink.

Dram

A weight; in Apothecaries' weight, one eighth part of an ounce, or sixty grains; in Avoirdupois weight, one sixteenth part of an ounce, or 27.34375 grains.

Dram

A minute quantity; a mite.
Were I the chooser, a dram of well-doing should be preferred before many times as mush the forcible hindrance of evildoing.

Dram

As much spirituous liquor as is usually drunk at once; as, a dram of brandy; hence, a potation or potion; as, a dram of poison.

Dram

A Persian daric.

Dram

Same as dynamic RAM.

Dram

To drink drams; to ply with drams.

Dram

A unit of apothecary weight equal to an eighth of an ounce or to 60 grains

Dram

1/16 ounce or 1.771 grams

Dram

The basic unit of money in Armenia

Definition of DRAM

DRMA, an acronym for Dynamic Random-Access Memory, is a type of random-access memory works to accumulate each bit of information or date in a split and separate capacitor within an integrated circuit. Dram is a type of main memory of computer, and is commonly used for CPU caches. Its structure is simple as only one transistor and a capacitor are needed per bit. This simplicity helps Dram to approach very lofty densities. It is volatile memory as it loses its data very quickly soon after removal of power supply. Extremely tiny transistors and capacitors are used in Dram and billions can be placed on a single memory card. It consumes much more power with several ways of managing this consumption and usage of energy. Dram is usually installed in a rectangular range of charge storage cells consisting of one capacitor and transistor per data bit. Dram stores each bit of data as a negative or positive electrical charge in a capacitive make-up. Memory size in Dram starts from GBs.

Definition of SRAM

SRAM, an acronym for Static Random-Access Memory, is a sort of data storage in the CPU. It caches data bits in its memory until the power-supply continues. Sram doesn’t need to get refreshed. Modules in Sram are much more simpler, and this distinction makes it easier for most users to devise an interface to access the memory. Number of transistors needed to store memory is much higher in Sram. Where need of speed is paramount, Sram is prioritised. It uses less power and functions much faster but it is an expensive tool.

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