Product comparison · 2 pcs/workstations

Dell OptiPlex 390MT vs Dell OptiPlex 990 MT (X029900109E)

96specifications compared
46differ
50identical
40known for one product only

Key differences

Processor family
- OptiPlex 390MT:Intel Pentium G
- OptiPlex 990 MT (X029900109E):Intel® Core™ i7
Processor model
- OptiPlex 390MT:G630
- OptiPlex 990 MT (X029900109E):i7-2600
Processor cores
- OptiPlex 390MT:2
- OptiPlex 990 MT (X029900109E):4
Processor threads
- OptiPlex 390MT:2
- OptiPlex 990 MT (X029900109E):8
Processor frequency
- OptiPlex 390MT:2.7 GHz
- OptiPlex 990 MT (X029900109E):3.4 GHz
Processor cache
- OptiPlex 390MT:3 MB
- OptiPlex 990 MT (X029900109E):8 MB
Thermal Design Power (TDP)
- OptiPlex 390MT:65 W
- OptiPlex 990 MT (X029900109E):95 W
Tcase
- OptiPlex 390MT:69.1 °C
- OptiPlex 990 MT (X029900109E):72.6 °C

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 390MT, OptiPlex 990 MT (X029900109E)
136 specifications	A Dell OptiPlex 390MT View product	B Dell OptiPlex 990 MT (X029900109E)View product
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Pentium G	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i7
Processor modelDiffers	G630	i7-2600
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.8 GHz
Processor frequencyDiffers	2.7 GHz	3.4 GHz
Processor cacheDiffers	3 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
System bus rate	5 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium G600 Series for Desktop	Intel Core i7-2600 Desktop Series
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)Differs	65 W	95 W
TcaseDiffers	69.1 °C	72.6 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express slots version	2.0	2.0
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	27	34
SteppingDiffers	Q0	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 processorDiffers	1066 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	17 GB/s	21 GB/s
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Number of processors installedKnown for one	1	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	4 x 4 GB
Memory slotsDiffers	2x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage2 differ
Total storage capacityDiffers	500 GB	1 TB
Optical drive typeDiffers	DVD-RW	DVD±RW
Number of HDDs installed	1	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA III
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Card reader integrated	No	No
Graphics2 differ
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 modelDiffers	Intel® HD Graphics	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)Differs	1100 MHz	1350 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Graphics card family	Intel	Intel
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® H61	Intel® Q67 Express
Networkidentical
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers	8	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	1	1
Headphone outputsDiffers	2	1
Line-out	Yes	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	No	Yes
PS/2 ports quantityDiffers	0	2
Firewire (IEEE 1394) portsDiffers	0	1
Parallel ports quantityDiffers	0	1
COM ports quantityKnown for one	Unknown — not stated by the source	1
Audio inputKnown for one	Unknown — not stated by the source	1
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x1 slotsDiffers	3	1
PCI Express x4 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slots	1	1
PCI slotsKnown for one	Unknown — not stated by the source	2
Number of 3.5" baysKnown for one	2	Unknown — not stated by the source
Design2 differ
Chassis typeDiffers	Mini Tower	Desktop
Product colourDiffers	Black, Silver	Black
Number of 5.25" baysKnown for one	2	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	FreeDOS
Bundled softwareKnown for one	Unknown — not stated by the source	DOS
Displayidentical
Display included	No	No
Processor special features12 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	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 versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyDiffers	No	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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53483	52213
Processor codeDiffers	SR05S	SR00B
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Weight & dimensionsidentical
Width	175 mm	175 mm
Depth	417 mm	417 mm
Height	360 mm	360 mm
Weight	8.87 kg	8.87 kg
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Gold, ENERGY STAR	ENERGY STAR
Poweridentical
Power supplyKnown for one	265 W	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	-40 - 65%	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source

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.

More pcs/workstations comparisons

All pcs/workstations comparisons