Which is better for plaque removal?

The Ordo Sonic+. Its standard head and soft nylon bristles work along the gumline and between teeth the way most dentists expect. The V5's silicone mouthpiece leaves more between-teeth cleaning to floss.

The Ordo Sonic+ runs over four weeks per charge, well beyond the V5's 30 uses. On build, the V5's plastic handle avoids the sticky, degrading coating owners report on the Ordo.

Is the V5 worth stepping up to?

Only if speed is your priority. It cuts brushing to 30 seconds and is hands-free, but it needs deliberate movement and does not replace flossing.

Which is gentler on gums?

The V5's soft silicone bristles are gentler, which helps with sensitive gums. The Ordo's nylon bristles feel firmer to some owners.

Can I use the Ordo Sonic+ with braces or dental work?

Yes. Ordo lists it as suitable for dental work, with a soft bristle head and a pacer to avoid over-brushing one area.

Which is easier to travel with?

The V5 is lighter and comes with a charging station. The Ordo includes a travel cap and needs a USB plug for its base.

Ordo Sonic+ Electric Toothbrush vs Sonic Brush V5

Buy the Ordo Sonic+ if you want a conventional sonic brush with proven cleaning, a two-minute timer and quad pacer, and a battery that lasts weeks. Buy the Sonic Brush V5 if speed and hands-free use matter more than deep interproximal cleaning. The Ordo is the safer pick for daily plaque control and dental work; the V5 is a time-saver that still needs flossing and some getting used to.

Choose the Ordo Sonic+ if you want a standard brush head, a timer and pacer to guide brushing, and a charge that lasts over a month.
Choose the Sonic Brush V5 if you want a full-mouth clean in 30 seconds and prefer soft silicone bristles over nylon.

Prices

Ordo Sonic+ Electric Toothbrush: $33.99 at eBay (checked today)
Sonic Brush V5: $59.99 at Sonic Brush® (checked today)
Difference: the Ordo Sonic+ Electric Toothbrush is $26.00 cheaper than the Sonic Brush V5 today