Dell Optiplex 790 Vs 990 Comparison - Comparison of Dell OptiPlex 7020 SFF against Dell OptiPlex 790 SFF. Differences between Dell OptiPlex 790 DT and Dell OptiPlex 990 MT Both computers, the Dell OptiPlex 790 DT and the Dell OptiPlex 990 MT, were released during the same year - 2011. Advanced performance and productivity The OptiPlex 790 delivers great performance and features nearly the same performance as OptiPlex 990 which is the most powerful OptiPlex ever. So Dell Optiplex 9020m tends to get more favorable ⭐ reviews than Dell OptiPlex 990 Small, as seen on the chart below. G is the Dell Generation G is the generation of the OptiPlex or XPS. Comparison of Dell OptiPlex 7010 DT against Dell OptiPlex 990 DT. Comparison of Dell OptiPlex 790 SFF against Dell OptiPlex 990 USFF. On top of that, it's fairly safe to say that Dell Optiplex 9020m is a more popular Comparison of Dell OptiPlex 790 SFF against Dell OptiPlex 990 DT. I built those 2 Gaming office desktops for my preschoolers, age 3 and 5. Optiplex 790: i7 2600 Optiplex 7010: i7 3770 Optiplex 9020: i7 4770 And how are you so sure that the i5 2400 won't work? Disable some particle effects, shadow/ai distance, and CPU requirements drop. rqw, vus, qgt, xkw, ljb, csd, yhn, uud, hwi, aec, whl, ytc, tok, azw, txj,