Silicon Motion Technology (Nasdaq: SIMO) is expected to report Q4 earnings on Feb. 4. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Silicon Motion Technology's revenues will expand 8.0% and EPS will wane -16.2%.

The average estimate for revenue is $72.5 million. On the bottom line, the average EPS estimate is $0.31.

Revenue details
 Last quarter, Silicon Motion Technology chalked up revenue of $77.1 million. GAAP reported sales were 28% higher than the prior-year quarter's $60.4 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, EPS came in at $0.46. GAAP EPS of $0.46 for Q3 were 15% lower than the prior-year quarter's $0.54 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 46.2%, 310 basis points worse than the prior-year quarter. Operating margin was 21.5%, 10 basis points better than the prior-year quarter. Net margin was 20.3%, 860 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $283.3 million. The average EPS estimate is $1.46.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 778 members out of 797 rating the stock outperform, and 19 members rating it underperform. Among 189 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 186 give Silicon Motion Technology a green thumbs-up, and three give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Silicon Motion Technology is buy, with an average price target of $25.88.

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