Product comparison · 2 pcs/workstations

Dell OptiPlex 790 DT vs Dell OptiPlex 790 SFF

120specifications compared
8differ
112identical
7known for one product only

Key differences

The Dell OptiPlex 790 DT has 3 more USB 2.0 ports quantity than the Dell OptiPlex 790 SFF (10 vs 7). The Dell OptiPlex 790 DT has 10 W more power supply than the Dell OptiPlex 790 SFF (250 W vs 240 W). The Dell OptiPlex 790 DT has 3.7 mm more width than the Dell OptiPlex 790 SFF (40.2 mm vs 36.5 mm). Only the Dell OptiPlex 790 DT has card reader integrated. Optical drive type: DVD±RW on the Dell OptiPlex 790 DT, DVD-RW on the Dell OptiPlex 790 SFF.

Optical drive type
- OptiPlex 790 DT:DVD±RW
- OptiPlex 790 SFF:DVD-RW
Card reader integrated
- OptiPlex 790 DT:Yes
- OptiPlex 790 SFF:No
USB 2.0 ports quantity
- OptiPlex 790 DT:10
- OptiPlex 790 SFF:7
Power supply
- OptiPlex 790 DT:250 W
- OptiPlex 790 SFF:240 W
Chassis type
- OptiPlex 790 DT:Desktop
- OptiPlex 790 SFF:SFF
Width
- OptiPlex 790 DT:40.2 mm
- OptiPlex 790 SFF:36.5 mm
Depth
- OptiPlex 790 DT:161.4 mm
- OptiPlex 790 SFF:122 mm
Height
- OptiPlex 790 DT:141.7 mm
- OptiPlex 790 SFF:114.2 mm

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 790 DT, OptiPlex 790 SFF
127 specifications	A Dell OptiPlex 790 DT View product	B Dell OptiPlex 790 SFF View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i7
Processor model	i7-2600	i7-2600
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	3.8 GHz	3.8 GHz
Processor frequency	3.4 GHz	3.4 GHz
Processor cache	8 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rate	5 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-2600 Desktop Series	Intel Core i7-2600 Desktop Series
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)	95 W	95 W
Tcase	72.6 °C	72.6 °C
Maximum number of PCI Express lanes	16	16
PCI Express slots version	2.0	2.0
Number of processors installed	1	1
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)	34	34
Stepping	D2	D2
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	1066,1333 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Maximum internal memory	16 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory slots	4x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage2 differ
Total storage capacity	500 GB	500 GB
Optical drive typeDiffers	DVD±RW	DVD-RW
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Card reader integratedDiffers	Yes	No
Graphicsidentical
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 2000	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1350 MHz	1350 MHz
On-board graphics card ID	0x102	0x102
Graphics card family	Intel	Intel
Performanceidentical
Product type	PC	PC
Motherboard chipset	Intel® Q65 Express	Intel® Q65 Express
Password protection type	BIOS	BIOS
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	10	7
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	2	2
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slots	2	2
PCI slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	250 W	240 W
Design1 differ
Chassis typeDiffers	Desktop	SFF
Cable lock slot	Yes	Yes
Product colour	Black, Silver	Black, Silver
External drive baysKnown for one	1 x 5.25"	Unknown — not stated by the source
Internal drive baysKnown for one	1 x 3.5"	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Displayidentical
Display included	No	No
Processor special featuresidentical
CPU configuration (max)	1	1
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK ID	52213	52213
Processor code	SR00B	SR00B
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Weight & dimensions3 differ
WidthDiffers	40.2 mm	36.5 mm
DepthDiffers	161.4 mm	122 mm
HeightDiffers	141.7 mm	114.2 mm
WeightKnown for one	Unknown — not stated by the source	5.7 kg
Packaging contentidentical
Mouse included	No	No
Keyboard included	No	No
Certificatesidentical
Compliance certificates	RoHS	RoHS
Sustainabilityidentical
Sustainability certificates	EPEAT Gold, ENERGY STAR	EPEAT 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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