Product comparison · 2 pcs/workstations

Dell OptiPlex 790 DT vs Dell OptiPlex 790 MT

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  • 120specifications compared
  • 29differ
  • 91identical
  • 8known for one product only

Key differences

The Dell OptiPlex 790 DT has 2 more processor cores than the Dell OptiPlex 790 MT (4 vs 2). The Dell OptiPlex 790 DT has 4 more processor threads than the Dell OptiPlex 790 MT (8 vs 4). The Dell OptiPlex 790 DT has 0.1 GHz more processor frequency than the Dell OptiPlex 790 MT (3.4 GHz vs 3.3 GHz). Only the Dell OptiPlex 790 DT has Intel Trusted Execution Technology. Only the Dell OptiPlex 790 DT has Intel Virtualization Technology for Directed I/O (VT-d).

  • Processor family
    • OptiPlex 790 DT:Intel® Core™ i7
    • OptiPlex 790 MT:Intel® Core™ i3
  • Processor generation
    • OptiPlex 790 DT:2nd gen Intel® Core™ i7
    • OptiPlex 790 MT:2nd gen Intel® Core™ i3
  • Processor model
    • OptiPlex 790 DT:i7-2600
    • OptiPlex 790 MT:i3-2120
  • Processor cores
    • OptiPlex 790 DT:4
    • OptiPlex 790 MT:2
  • Processor threads
    • OptiPlex 790 DT:8
    • OptiPlex 790 MT:4
  • Processor frequency
    • OptiPlex 790 DT:3.4 GHz
    • OptiPlex 790 MT:3.3 GHz
  • Processor cache
    • OptiPlex 790 DT:8 MB
    • OptiPlex 790 MT:3 MB
  • Thermal Design Power (TDP)
    • OptiPlex 790 DT:95 W
    • OptiPlex 790 MT:65 W

Side by side

Differences highlightedShow differences only (off)
Comparison of OptiPlex 790 DT, OptiPlex 790 MT
128 specifications
Processor12 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i7Intel® Core™ i3
Processor generationDiffers2nd gen Intel® Core™ i72nd gen Intel® Core™ i3
Processor modelDiffersi7-2600i3-2120
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyKnown for one3.8 GHzUnknown — not stated by the source
Processor frequencyDiffers3.4 GHz3.3 GHz
Processor cacheDiffers8 MB3 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDMIDMI
FSB ParityNoNo
System bus rate5 GT/s5 GT/s
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-2600 Desktop SeriesIntel Core i3-2100 Desktop Series
Processor codenameSandy BridgeSandy Bridge
Thermal Design Power (TDP)Differs95 W65 W
TcaseDiffers72.6 °C69.1 °C
Maximum number of PCI Express lanes1616
PCI Express slots version2.02.0
Number of processors installed11
Processor socketLGA 1155 (Socket H2)LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs3433
SteppingKnown for oneD2Unknown — not stated by the source
Maximum internal memory supported by processor32 GB32 GB
Memory types supported by processorDiffersDDR3-SDRAMDDR3 1066/1333
Memory clock speeds supported by processorKnown for one1066,1333 MHzUnknown — not stated by the source
Memory bandwidth supported by processor (max)21 GB/s21 GB/s
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers4 GB2 GB
Maximum internal memory16 GB16 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs2 x 2 GB1 x 2 GB
Memory slots4x DIMM4x DIMM
Memory clock speed1333 MHz1333 MHz
Memory channelsDual-channelDual-channel
Storage3 differ
Total storage capacityDiffers500 GB250 GB
Optical drive typeDiffersDVD±RWDVD-RW
Number of HDDs installed11
HDD capacityDiffers500 GB250 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
Card reader integratedYesYes
Graphics1 differ
On-board graphics cardYesYes
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 2000Intel® HD Graphics 2000
Number of displays supported (on-board graphics)22
On-board graphics card base frequency850 MHz850 MHz
On-board graphics card dynamic frequency (max)Differs1350 MHz1100 MHz
On-board graphics card ID0x1020x102
Graphics card familyIntelIntel
Performanceidentical
Product typePCPC
Motherboard chipsetIntel® Q65 ExpressIntel® Q65 Express
Password protection typeBIOSBIOS
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Networking featuresGigabit EthernetGigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity1010
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
Ethernet LAN (RJ-45) ports11
Headphone outputs22
Line-outYesYes
Line-inYesYes
Microphone inYesYes
VGA (D-Sub) ports quantity11
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
PS/2 ports quantityKnown for oneUnknown — not stated by the source2
Serial ports quantityKnown for oneUnknown — not stated by the source1
Expansion slotsidentical
PCI Express x1 slots11
PCI Express x16 slots22
PCI slots11
Poweridentical
Power supply250 W250 W
Design3 differ
Chassis typeDiffersDesktopMini Tower
Cable lock slotYesYes
Product colourBlack, SilverBlack, Silver
External drive baysDiffers1 x 5.25"2 x 5.25"
Internal drive baysDiffers1 x 3.5"2 x 3.5"
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Displayidentical
Display includedNoNo
Processor special features5 differ
CPU configuration (max)11
Embedded options availableYesYes
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers5221353426
Processor codeKnown for oneSR00BUnknown — not stated by the source
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Intel® Turbo Boost TechnologyDiffers2.0No
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Weight & dimensions3 differ
WidthDiffers40.2 mm175 mm
DepthDiffers161.4 mm417 mm
HeightDiffers141.7 mm360 mm
WeightKnown for oneUnknown — not stated by the source8.87 kg
Packaging contentidentical
Mouse includedNoNo
Keyboard includedNoNo
Certificatesidentical
Compliance certificatesRoHSRoHS
Sustainabilityidentical
Sustainability certificatesEPEAT Gold, ENERGY STAREPEAT Gold, ENERGY STAR

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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