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Computerized and mechanical sewing machines compared on official manufacturer specification tables from Brother, Singer, Baby Lock, Juki, Husqvarna Viking and Pfaff. We score official built-in stitch count, official maximum sewing speed, official buttonhole styles and official sewing space to the right of the needle. Imprecise official wording such as 6"+ is shown as written and is not scored as a precise inch figure. Color or finish variants with identical official scored specs share one page. A missing official figure is shown as Not listed and scores at the category minimum. There are no prices, ratings or lab tests.
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Top pick
B
Brother BQ2450
Score 6.9/10 · Check price
Why it wins: 561 official built-in stitches, 1,050 official SPM, 14 official buttonhole styles, 11.25" official sewing space. Official table lists 561 built-in stitches. Official table lists a maximum sewing speed of 1,050 SPM.
"Not listed" means the official manufacturer specification table we used does not publish that figure. Prices show "Check price" until a retailer feed provides a current price.
A sewing, embroidery or serger machine has a moving needle, feed dogs and — on sergers — moving knives. Unplug the machine before you change a needle, presser foot or knife, keep fingers and loose clothing away from the needle and cutters, use the official power supply and needle type, and follow the maker's threading and lubrication instructions. These machines are not toys; children should use them only with close adult supervision. This site does not test stitch quality, fabric handling or ease of use.
Buying guide: how to choose the right sewing machine
Read official stitch count with official speed and space
A large official stitch library describes how many stitches the maker lists, not how those stitches look on your fabric. If you sew quilts or bulky projects, also check official sewing space to the right of the needle on the same table. We score both when the table publishes a precise inch figure.
What “up to” official speed means
Some official tables publish a maximum as “up to” a stitches-per-minute number. We record that official maximum and note the wording. It is not a speed measured in a given fabric, and it is not a reason to treat a missing speed as average.
What “Not listed” means
If a maker’s table omits a scored field — for example sewing space or a buttonhole-style count — we show Not listed and score that field at the category minimum. We do not borrow a number from a retailer listing. Imprecise official wording such as 6"+ is shown as written and is not scored as a precise inch figure.
Safety
Unplug the machine before you change a needle or presser foot, keep fingers away from the needle, and use the official needle type and power supply. These machines are not toys. Confirm the current specification with the maker and the retailer before you buy.
How this ranking is calculated
Score = weighted average of normalised specs, out of 10. Full method
Official built-in stitchesThe official built-in sewing stitch count published on the maker's specification table, not a retailer listing. Scale: 15 → 800 stitches.
30%
Official maximum sewing speedThe official maximum sewing speed in stitches per minute. If the maker writes “up to,” we still record that official maximum and note the wording; it is not a measured rate. Scale: 600 → 1500 SPM.
25%
Official buttonhole stylesHow many official buttonhole styles the specification table lists. Scale: 1 → 16 styles.
20%
Official sewing spaceOfficial sewing space to the right of the needle, in inches. When the official table lists two work-space dimensions, we score the larger one (throat width) and note both figures. Imprecise official wording such as 6"+ is shown as written and is not scored as a precise figure. Scale: 5 → 13.5 in.
No. Rankings use only figures published on official manufacturer specification tables, each linked on the product page. We do not publish prices, customer ratings or hands-on test scores.
What does official sewing space mean, and why is 6"+ Not listed as a number?
We score a precise official measurement of space to the right of the needle, in inches. When an official table lists two work-space dimensions (for example 5.0" x 11.25"), we score the larger figure, which is the throat width, and note both official numbers. Some official tables write 6"+ or a similar lower bound. That wording is shown as an extra specification, but it is not a precise figure, so the scored inch field is Not listed and receives the category minimum.
You record some speeds as “up to.” Is that a measured stitch rate?
No. When a maker’s official table says “up to” a speed, we record that official published maximum and note the wording. It is not a speed we measured in fabric.
Why is a machine’s buttonhole count or sewing space shown as Not listed?
The official specification table we used did not publish that field. We do not fill gaps from retailer listings or reviews. Not listed scores at the lowest published value in the category, so a missing figure never outranks a published one.
How do you handle color or finish variants of the same machine?
When official scored specifications are identical, we keep one page and note the other official listings under “Also listed by the maker as.”