Dell Optiplex 780 SFF vs Dell OptiPlex 780 USFF

Key differences

The Dell OptiPlex 780 USFF has 0.07 GHz more processor frequency than the Dell Optiplex 780 SFF (3 GHz vs 2.93 GHz). The Dell OptiPlex 780 USFF has 3 MB more processor cache than the Dell Optiplex 780 SFF (6 MB vs 3 MB). The Dell OptiPlex 780 USFF has 267 MHz more processor front side bus than the Dell Optiplex 780 SFF (1333 MHz vs 1066 MHz). Only the Dell OptiPlex 780 USFF has display included. Only the Dell OptiPlex 780 USFF has embedded options available.

• Processor model
  • Optiplex 780 SFF:E7500
  • OptiPlex 780 USFF:E8400
• Processor frequency
  • Optiplex 780 SFF:2.93 GHz
  • OptiPlex 780 USFF:3 GHz
• Processor cache
  • Optiplex 780 SFF:3 MB
  • OptiPlex 780 USFF:6 MB
• Processor front side bus
  • Optiplex 780 SFF:1066 MHz
  • OptiPlex 780 USFF:1333 MHz
• Tcase
  • Optiplex 780 SFF:74.1 °C
  • OptiPlex 780 USFF:72.4 °C
• Number of Processing Die Transistors
  • Optiplex 780 SFF:228 M
  • OptiPlex 780 USFF:410 M
• Processing Die size
  • Optiplex 780 SFF:82 mm²
  • OptiPlex 780 USFF:107 mm²
• CPU multiplier (bus/core ratio)
  • Optiplex 780 SFF:11
  • OptiPlex 780 USFF:9