Quick answer: choose the TOTO G5A if its night light and wider choice of dryer temperatures are features you will use. Consider G5A Lite if you want the shared cleansing and automatic functions and prefer to put more of your bathroom budget elsewhere. Compare the current complete-system prices before deciding.

This guide compares G5A MS7631CEMFG#01 with G5A Lite MS7421CEMFG#01, both in Cotton White. It uses TOTO's model-specific product pages and specification sheets, linked below.

G5A vs G5A Lite: side-by-side comparison

What does the G5A upgrade give you?

TOTO lists a night light and five dryer temperature settings for G5A, versus three dryer temperatures for Lite. Those are useful points to weigh against the current price difference. Do not assume that a higher price means lower water use: both models carry the same published flush volumes.

For a household that uses the bathroom at night or values finer dryer-temperature selection, start by considering G5A MS7631CEMFG#01. Whether those conveniences justify the extra spend is a personal buying decision.

What do you keep with G5A Lite?

Lite retains automatic lid operation and flushing, adjustable front and rear warm-water cleansing, a heated seat, dryer, deodorizer and remote memory. TOTO also lists CLEAN LIFT access between its top unit and bowl. It is worth considering if these are your priorities.

Both systems specify the same bowl component, while their top-unit numbers differ. Choose the complete model you want; a bowl-only or top-unit-only listing is not the full toilet.

Installation checks before buying

• Measure the rough-in: confirm the required 12-inch layout and the manufacturer's drawing, including any baseboard interference.
• Plan electrical service: both specification sheets call for a 120 V, 15 A GFCI outlet. Have your installer confirm outlet placement, the electrical requirements and local code.
• Review utilities and space: check water pressure, supply location, overall dimensions and lid clearance in the selected model's documents.
• Compare the complete cost: include delivery, installation and any site preparation in addition to the product price.

Common buying questions

Does G5A Lite need a separate bidet seat?

No. MS7421CEMFG is an integrated system with a bowl and electronic top unit. Check that you are ordering the complete system.

Does Lite still have automatic flushing and an automatic lid?

Yes. Both are included in TOTO's published features for G5A Lite.

Which uses less water?

Neither has an advantage in the published flush-volume rating: both specify 1.2/1.0 US GPF, or 4.5/3.8 litres.

What happens during a power outage?

TOTO lists a backup manual flush for both models. Follow the model's manual for its operation; this does not mean the electronic cleansing and comfort functions remain available without power.

Which model is better value in Canada?

Compare the current prices for these exact Cotton White systems. If the Lite's features cover your needs, consider whether the price saving would be more useful elsewhere in the renovation. If the G5A's additional conveniences matter to you, weigh them against the actual upgrade cost.

Compare current options at Golzar Home

View TOTO G5A and TOTO G5A Lite, or browse our smart toilets. Contact Golzar Home in Vaughan with your measurements and complete model number to confirm suitability, availability, delivery and warranty documentation before ordering.

Official TOTO sources

• G5A product features and manuals and G5A specification sheet.
• G5A Lite product features and manuals and G5A Lite specification sheet.

Specifications checked October 15, 2026. Product specifications, prices and availability can change; confirm the current documentation for your purchase.