The company expects that sales grew 11-15% to 58-60T won vs forecasts of 59.7T won.
Samsung didn't provide estimates for net income or earnings for each division. Its final results are due out at the end of the month.
"Despite record-high earnings, doubts over the sustainability of smartphone-driven profits hint at an overall valuation discount for Samsung," says HMC Investment & Securities analyst Greg Roh.
Shares +0.6% in Seoul.