VIOT vs IRBT

For growth investors, Viomi Technology Co.

, Ltd (VIOT) is the stronger pick with -15. 0% revenue growth year-over-year, versus -23. 4% for iRobot Corporation (IRBT). Viomi Technology Co. , Ltd (VIOT) offers the better valuation at 3. 2x trailing P/E (3. 6x forward), making it the more compelling value choice. Analysts rate Viomi Technology Co. , Ltd (VIOT) a "Buy" — based on 2 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

Over the past 5 years, Viomi Technology Co.

, Ltd (VIOT) delivered a total return of -84. 1%, compared to -99. 9% for iRobot Corporation (IRBT). Over 10 years, the gap is even starker: VIOT returned -86. 5% versus IRBT's -99. 9%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Viomi Technology Co.

, Ltd (VIOT) is the lower-risk stock at 0. 95β versus iRobot Corporation's 5. 21β — meaning IRBT is approximately 451% more volatile than VIOT relative to the S&P 500. On balance sheet safety, Viomi Technology Co. , Ltd (VIOT) carries a lower debt/equity ratio of 11% versus 4% for iRobot Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Viomi Technology Co.

, Ltd (VIOT) is pulling ahead at -15. 0% versus -23. 4% for iRobot Corporation (IRBT). On earnings-per-share growth, the picture is similar: Viomi Technology Co. , Ltd grew EPS 273. 2% year-over-year, compared to 55. 3% for iRobot Corporation. Over a 3-year CAGR, IRBT leads at -24. 2% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Viomi Technology Co.

, Ltd (VIOT) is the more profitable company, earning 3. 0% net margin versus -21. 3% for iRobot Corporation — meaning it keeps 3. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: VIOT leads at 7. 4% versus -15. 1% for IRBT. At the gross margin level — before operating expenses — VIOT leads at 25. 9%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Viomi Technology Co.

, Ltd (VIOT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 95)). iRobot Corporation (IRBT) carries a higher beta of 5. 21 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (VIOT: -86. 5%, IRBT: -99. 9%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Consumer Cyclical sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: VIOT is a small-cap deep-value stock; IRBT is a small-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.