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Bitmap vs. Pixmap — What's the Difference?

By Tayyaba Rehman — Published on November 12, 2023
Bitmap is a monochrome pixel map; binary image data. Pixmap is a colorful pixel map; stores pixel colors.
Bitmap vs. Pixmap — What's the Difference?

Difference Between Bitmap and Pixmap

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Key Differences

Bitmap is an image file format used to store digital images independently of the display device, primarily in binary format, making it a form of digital map of a binary image space. Pixmap, on the other hand, refers to a map of pixels, where each pixel represents a specific color; this makes it capable of displaying images in full color with various levels of transparency.
Tayyaba Rehman
Nov 12, 2023
Bitmap images are known for their simplicity and wide compatibility, which have made them a standard for digital image storage in black and white or grayscale because each pixel is stored as a single bit. Pixmap allows for a richer display of images because it accounts for color and sometimes the alpha channel (transparency) by storing data for each pixel that comprises various color components.
Tayyaba Rehman
Nov 12, 2023
The file size of a Bitmap can be smaller compared to Pixmap because it stores less data for each pixel, usually only black or white information, making it more efficient for simple graphics and images that don’t require complex color schemes. Pixmaps, however, tend to have larger file sizes due to the detailed color information stored for each pixel, making them more suitable for complex and color-intensive images.
Tayyaba Rehman
Nov 12, 2023
Bitmap graphics are ideal for icons and images that require a monochrome color scheme, simple clarity, and sharp edges. In contrast, Pixmap is more suited for photographs, textures, and any graphics that require a wide range of colors or shades because of its ability to handle complex color information for each pixel.
Tayyaba Rehman
Nov 12, 2023
While Bitmap images are resolution dependent, losing quality when scaled up or down due to the finite number of pixels that represent the image, Pixmap also shares this characteristic. However, the quality loss in Pixmaps can be more noticeable because they usually contain more visual information and colors that can become distorted when the image is resized.
Tayyaba Rehman
Nov 12, 2023
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Comparison Chart

Word Type

Noun
Noun
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Nov 12, 2023

Syllables

Two
Two
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Nov 12, 2023

Plural Form

Bitmaps
Pixmaps
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Nov 12, 2023

Part of Speech

Used as a noun
Used as a noun
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Modifiers

Often used with adjectives
Often used with adjectives
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Nov 12, 2023

Compare with Definitions

Bitmap

A binary representation of a graphic image.
The icon was saved as a bitmap to reduce the file size.
Tayyaba Rehman
Oct 15, 2023

Pixmap

A pixel map capable of full-color display.
The game textures are stored as pixmaps for quality.
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Oct 15, 2023

Bitmap

An image composed of pixels in a grid layout.
He created a bitmap of the company’s logo for the website.
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Oct 15, 2023

Pixmap

A bit map with color information.
Pixmap files are larger due to the additional color data.
Tayyaba Rehman
Oct 15, 2023

Bitmap

A map of bits storing black-and-white images or graphics.
The QR code is a form of a bitmap.
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Oct 15, 2023

Pixmap

A graphics format storing color for each pixel.
The digital artist saved her work as a pixmap to preserve the colors.
Tayyaba Rehman
Oct 15, 2023

Bitmap

A simple digital image format.
We use bitmaps for monochrome print layouts.
Tayyaba Rehman
Oct 15, 2023

Pixmap

An image storing detailed color depth.
He converted the image to a pixmap for better color representation.
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Oct 15, 2023

Bitmap

A raster graphics image file.
The scanned document was saved as a bitmap.
Tayyaba Rehman
Oct 15, 2023

Pixmap

A raster graphics type that supports color.
For the photo editing, she preferred using a pixmap format.
Tayyaba Rehman
Oct 15, 2023

Bitmap

A set of bits that represents a graphic image, with each bit or group of bits corresponding to a pixel in the image.
Tayyaba Rehman
Oct 14, 2023

Pixmap

(computer graphics) A grid of pixels.
Tayyaba Rehman
Oct 14, 2023

Bitmap

(computing) A series of bits that represents a rasterized graphic image, each pixel being represented as a group of bits.
Tayyaba Rehman
Oct 14, 2023

Bitmap

An image represented as a two dimensional array of brightness values for pixels
Tayyaba Rehman
Oct 14, 2023

Common Curiosities

What is a Bitmap?

A bitmap is a type of image file format that represents a digital image using pixels, commonly in black and white.
Tayyaba Rehman
Nov 12, 2023

What is a Pixmap?

A pixmap is an image file format similar to a bitmap but stores color information for each pixel.
Tayyaba Rehman
Nov 12, 2023

Are Bitmap images high quality?

Bitmaps can be high quality but are resolution-dependent and may lose quality if resized.
Tayyaba Rehman
Nov 12, 2023

Can Pixmaps represent transparency?

Yes, pixmaps can include an alpha channel to represent transparency.
Tayyaba Rehman
Nov 12, 2023

When should I use a Pixmap?

Use a pixmap when dealing with images that require a rich color spectrum.
Tayyaba Rehman
Nov 12, 2023

Can I convert a Bitmap to a Pixmap?

Yes, but color data may have to be approximated if the original is monochrome.
Tayyaba Rehman
Nov 12, 2023

What's the main difference between Bitmap and Pixmap?

Bitmaps typically store monochrome data, while pixmaps store color information for each pixel.
Tayyaba Rehman
Nov 12, 2023

Is Bitmap a lossless format?

Yes, bitmap is a lossless image format as it stores pixel data without compression.
Tayyaba Rehman
Nov 12, 2023

How does a Pixmap store data?

A pixmap stores data as pixels with each pixel containing RGB color values and possibly an alpha value.
Tayyaba Rehman
Nov 12, 2023

Can Bitmaps handle color?

Traditional bitmaps are monochrome, but some variants can handle limited color.
Tayyaba Rehman
Nov 12, 2023

Are Bitmap files larger or smaller than Pixmap files?

Bitmap files are generally smaller because they store less data per pixel.
Tayyaba Rehman
Nov 12, 2023

Do Bitmaps support animation?

Not natively, but bitmap frames can be compiled into an animated sequence.
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Nov 12, 2023

Are Pixmaps resolution-dependent?

Yes, like bitmaps, pixmaps are dependent on resolution and can lose quality when resized.
Tayyaba Rehman
Nov 12, 2023

Are Pixmaps suitable for professional digital art?

Yes, their ability to store detailed color data makes them suitable for digital art.
Tayyaba Rehman
Nov 12, 2023

What file extensions are used for Pixmaps?

Common pixmap file extensions include .pixmap and .xpm.
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Nov 12, 2023

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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