Product comparison · 2 pcs/workstations

Dell OptiPlex 390 DT (X043900106E) vs Dell OptiPlex 790 SF (X037900106E)

112specifications compared
8differ
104identical
5known for one product only

Key differences

Maximum internal memory
- OptiPlex 390 DT (X043900106E):8 GB
- OptiPlex 790 SF (X037900106E):16 GB
Memory layout (slots x size)
- OptiPlex 390 DT (X043900106E):2 x 4 GB
- OptiPlex 790 SF (X037900106E):4 x 4 GB
Memory slots
- OptiPlex 390 DT (X043900106E):2x DIMM
- OptiPlex 790 SF (X037900106E):4x DIMM
Motherboard chipset
- OptiPlex 390 DT (X043900106E):Intel® H61
- OptiPlex 790 SF (X037900106E):Intel® Q65 Express
USB 2.0 ports quantity
- OptiPlex 390 DT (X043900106E):8
- OptiPlex 790 SF (X037900106E):10
DVI port
- OptiPlex 390 DT (X043900106E):Yes
- OptiPlex 790 SF (X037900106E):No
PS/2 ports quantity
- OptiPlex 390 DT (X043900106E):1
- OptiPlex 790 SF (X037900106E):2
Chassis type
- OptiPlex 390 DT (X043900106E):Desktop
- OptiPlex 790 SF (X037900106E):SFF

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 390 DT (X043900106E), OptiPlex 790 SF (X037900106E)
117 specifications	A Dell OptiPlex 390 DT (X043900106E)View product	B Dell OptiPlex 790 SF (X037900106E)View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i5
Processor model	i5-2400	i5-2400
Processor cores	4	4
Processor threads	4	4
Processor boost frequency	3.4 GHz	3.4 GHz
Processor frequency	3.1 GHz	3.1 GHz
Processor cache	6 MB	6 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 i5-2400 Desktop Series	Intel Core i5-2400 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
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)	31	31
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
Memory3 differ
Internal memory	4 GB	4 GB
Maximum internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	2 x 4 GB	4 x 4 GB
Memory slotsDiffers	2x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storageidentical
Total storage capacity	1 TB	1 TB
Optical drive type	DVD±RW	DVD±RW
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interface	SATA	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integrated	No	No
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card model	Not available	Not available
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)	1100 MHz	1100 MHz
On-board graphics card ID	0x102	0x102
Graphics card family	Intel	Intel
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® H61	Intel® Q65 Express
Networkidentical
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
PS/2 ports quantityDiffers	1	2
Audio input	1	1
COM ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x1 slotsKnown for one	3	Unknown — not stated by the source
PCI Express x16 slots	1	1
Poweridentical
Power supply	250 W	250 W
Design1 differ
Chassis typeDiffers	Desktop	SFF
Product colour	Black	Black
Softwareidentical
Operating system installed	FreeDOS	FreeDOS
Bundled software	DOS	DOS
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	52207	52207
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)	No	No
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 & dimensionsidentical
Width	102 mm	102 mm
Depth	410 mm	410 mm
Height	360 mm	360 mm
WeightKnown for one	Unknown — not stated by the source	7.56 kg
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Certificatesidentical
Certification	Energy Star 5.0 compliant	Energy Star 5.0 compliant

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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