Mechanical or electronic sewing machine: which to choose
The difference between a machine with dials and one with a display comes down to a few figures: how you select stitches, how fast it sews, what it does on its own. With four models from our catalog, you can work out which type you need.
In the SewingSpecs catalog, home sewing machines fall into two groups: 15 listings for mechanical machines and 25 for electronic and computerized ones. The question we get all the time is which of the two to buy. The answer depends less on the word "electronic" than you might think, and more on three concrete things: how you select the stitch, how much you want the machine to do on its own, and what speed you need.
What really changes
On a mechanical machine you select the stitch by turning dials. On an electronic one you select it with buttons and read it on an LCD display or a touchscreen. These are two ways of reaching the same stitch, and the number of stitches available changes noticeably: in the listings we compared, the mechanical machines claim 32 and 37, while the electronic Brother CS7000X claims 70.
The second difference is the set of automatic functions. Here, though, the line between the two groups is not clear-cut, which is why it pays to look at the listing for the individual model rather than at the category.
Two mechanical machines compared
Brother GX37 is an entry-level mechanical machine. It has 37 built-in stitches, a maximum stitch width of 7 mm and a top speed of 850 stitches per minute. It has an automatic needle threader, an independent bobbin winder and 6 presser feet included. It has no automatic thread cutter, no knee lifter, no start/stop button and no adjustable presser foot pressure.
Singer Heavy Duty 4432 is a mid-range mechanical machine with a metal frame and a power draw of 84 W. It has 32 stitches, a maximum width of 6 mm and reaches 1100 stitches per minute. It has drop feed dogs (the little teeth that push the fabric under the needle, which can be lowered here), adjustable presser foot pressure, 3 needle positions and an automatic needle threader.
The numbers make the comparison clear: the Brother has a stitch 1 mm wider (7 versus 6) and more stitches; the Singer is 250 stitches per minute faster and has the two controls you need when you change fabric, namely drop feed dogs and adjustable pressure. If you often sew different fabrics or thick layers, the Singer is the more sensible choice. If you need a simple machine for hems, repairs and a few decorative stitches, the Brother has less to learn. Both declare the same eight stitch types, from straight stitch to stretch overlock stitch, so there is no difference in the basic repertoire.
The two full listings are in the catalog: Brother GX37 and Singer Heavy Duty 4432, along with their head-to-head comparison.
Two electronic machines compared
Brother CS7000X has 70 built-in stitches, 7 buttonhole types, an LCD display, an automatic needle threader and 10 presser feet included. Its top speed is 750 stitches per minute.
Singer Heavy Duty 6700C has a metal frame, weighs 7 kg, has 7 buttonhole types, an LCD display and a semi-automatic needle threader. It reaches 1100 stitches per minute and the stated presser foot lift is 6 mm. Compared with the Brother, it also includes the stretch overlock stitch among its stitch types.
Same pattern as the mechanical pair: the Singer is much faster (1100 versus 750 stitches per minute), while the Brother offers more stitches and more accessories in the box. Both have drop feed dogs, an included walking foot for dual feed, and a free arm, the part under the needle that slides off so you can sew sleeves and the hems of tubular items.
The figure that debunks a common belief
The Singer Heavy Duty 4432, mechanical, and the Singer Heavy Duty 6700C, electronic, declare the same top speed: 1100 stitches per minute. So an electronic machine is not faster by definition. The same goes for the needle threader: it is automatic on the mechanical Brother GX37 and only semi-automatic on the electronic Singer 6700C. Anyone who buys thinking "electronic means more convenient" finds that confirmed on some features and contradicted on others.
Where electronic brings a measurable advantage, in our data, is in the number of stitches and in the display readout. For the rest, look at the features one by one.
How to choose
Get a mechanical machine if you sew little and keep it simple: hems, repairs, bags, curtains. Around thirty stitches are enough and you don't need a display. Among our listings, the following are also mechanical: Alfa Practik 5 and 9, Brother JX2517 and XM2701, Janome HD718, Necchi K132A, PFAFF select 4.2, Singer Simple 3337, Elna eXplore 150 and 240, and Husqvarna Viking Onyx 25.
Get an electronic machine if you want plenty of decorative stitches, more buttonhole types, button selection and a display that shows what you have set. In the catalog you'll find everything from mid-range models such as the Brother CS7000X and Singer Heavy Duty 6700C up to the Bernina 570 QE and Bernina 735 PRO.
Don't choose by category if you often work on thick fabrics. In that case what matters are drop feed dogs, adjustable presser foot pressure and a metal frame, and you'll find these features in models from both groups: on the mechanical Singer 4432 and the electronic 6700C, for example.
Before deciding, open the listings for two or three models and compare the same features: speed, stitches, needle threader, presser foot pressure. Those are the ones that change from one machine to another.