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Graphic Formats Performance Table
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All previously mentioned art types are stored in 8 different graphic formats to show which graphic format is most suitable for which type of art.
A brief explanation: At the top of the table, all most common graphic-formats are displayed. All formats are tested with their latest version (i.e. GIF version 89a, without "interlaced" functions or animations). In every cell, the filesize from the saved type of art (with this format) is displayed. If a cell says; "n/a", the graphic format doesn't support that type of art. Behind the filesize, the rating is entered. The graphic format with the lowest filesize (highest compression) gets number (1). These numbers are summarized, and divided by the the amount of art types this graphic format supports.
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GIF
89a |
PNG |
PCX
v 5.0 |
IFF
compr. |
RAW |
TIF
Huffman |
TIF
LZW |
TIF
Packbit |
BMP
RGB |
BMP
RLE |
JPG
Normal |
Line Art
(Blank)
Max. 2 colors |
811
(2) |
213
(1) |
1,728
(5) |
862
(3) |
–
(-) |
1,396
(4) |
2,736
(7) |
2,186
(6) |
32,062
(8) |
–
(-) |
–
(-) |
Line Art
(Checkered)
Max. 2 colors |
2,655
(5) |
444
(1) |
1,728
(3) |
862
(2) |
–
(-) |
28,786
(7) |
3,536
(6) |
2,186
(4) |
32,062
(8) |
–
(-) |
–
(-) |
Line Art
(Drawing)
Max. 2 colors |
3,429
(2) |
3,144
(1) |
7,524
(6) |
7,152
(5) |
–
(-) |
3,740
(3) |
5,472
(4) |
7,668
(7) |
15,622
(8) |
–
(-) |
–
(-) |
Cartoon Art
(Colored)
Max. 256 colors |
15,801
(2) |
13,806
(1) |
29,068
(4) |
69,098
(7) |
–
(-) |
–
(-) |
24,996
(3) |
30,410
(5) |
279,478
(8) |
32,668
(6) |
–
(-) |
Sketched Art
(Model sheet)
Max. 256
greyvalues |
199,962
(3) |
179,763
(2) |
369,513
(10) |
239,260
(5) |
301,200
(8) |
–
(-) |
205,562
(4) |
255,874
(7) |
302,278
(9) |
246,666
(6) |
68,999
(1) |
Paint Art
(Greyscaled)
Max 256
greyvalues |
133,599
(7) |
92,892
(2) |
156,728
(10) |
123,452
(3) |
127,500
(4) |
–
(-) |
136,868
(9) |
133,990
(8) |
128,578
(5) |
130,826
(6) |
34,485
(1) |
Paint Art
(Colored)
Max. 16.7 M.
colors |
–
(-) |
264,884
(2) |
425,048
(5) |
–
(-) |
416,700
(3) |
–
(-) |
426,798
(6) |
433,034
(7) |
416,754
(4) |
–
(-) |
37,894
(1) |
Photo Art
(Colored)
Max. 16.7 M.
colors |
–
(-) |
212,512
(2) |
757,746
(7) |
–
(-) |
342,000
(5) |
–
(-) |
336,430
(4) |
328,426
(3) |
342,054
(6) |
–
(-) |
37,891
(1) |
| Overall Rank |
3.5 |
1.5 |
6.25 |
4.166 |
5 |
4.66 |
5.375 |
5.875 |
7 |
6 |
1 |
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Conclusion: As you can see, the PNG format wins as long as the image is line art or cartoon style. Whenever JPG wins, the PNG format always comes second. It's a pity the most web-browsers still don't support the PNG format. And they should, because it holds all good qualities of the GIF format, and even more! Like being able to store true-color images, and applying "smart" compression by counting the actual number of colors used in the picture, instead of assuming all colors in the palette are used.
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